83_FR_3013 83 FR 2999 - Determination of Regulatory Review Period for Purposes of Patent Extension; ZURAMPIC

83 FR 2999 - Determination of Regulatory Review Period for Purposes of Patent Extension; ZURAMPIC

DEPARTMENT OF HEALTH AND HUMAN SERVICES
Food and Drug Administration

Federal Register Volume 83, Issue 14 (January 22, 2018)

Page Range2999-3000
FR Document2018-00992

The Food and Drug Administration (FDA or the Agency) has determined the regulatory review period for ZURAMPIC and is publishing this notice of that determination as required by law. FDA has made the determination because of the submission of applications to the Director of the U.S. Patent and Trademark Office (USPTO), Department of Commerce, for the extension of a patent which claims that human drug product.

Federal Register, Volume 83 Issue 14 (Monday, January 22, 2018)
[Federal Register Volume 83, Number 14 (Monday, January 22, 2018)]
[Notices]
[Pages 2999-3000]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2018-00992]


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DEPARTMENT OF HEALTH AND HUMAN SERVICES

Food and Drug Administration

[Docket Nos. FDA-2016-E-2503, FDA-2016-E-2504, FDA-2016-E-2505, FDA-
2016-E-2506, and FDA-2016-E-2507]


Determination of Regulatory Review Period for Purposes of Patent 
Extension; ZURAMPIC

AGENCY: Food and Drug Administration, HHS.

ACTION: Notice.

-----------------------------------------------------------------------

SUMMARY: The Food and Drug Administration (FDA or the Agency) has 
determined the regulatory review period for ZURAMPIC and is publishing 
this notice of that determination as required by law. FDA has made the 
determination because of the submission of applications to the Director 
of the U.S. Patent and Trademark Office (USPTO), Department of 
Commerce, for the extension of a patent which claims that human drug 
product.

DATES: Anyone with knowledge that any of the dates as published (see 
the SUPPLEMENTARY INFORMATION section) are incorrect may submit either 
electronic or written comments and ask for a redetermination by March 
23, 2018. Furthermore, any interested person may petition FDA for a 
determination regarding whether the applicant for extension acted with 
due diligence during the regulatory review period by July 23, 2018. See 
``Petitions'' in the SUPPLEMENTARY INFORMATION section for more 
information.

ADDRESSES: You may submit comments as follows. Please note that late, 
untimely filed comments will not be considered. Electronic comments 
must be submitted on or before March 23, 2018. The https://www.regulations.gov electronic filing system will accept comments until 
midnight Eastern Time at the end of March 23, 2018. Comments received 
by mail/hand delivery/courier (for written/paper submissions) will be 
considered timely if they are postmarked or the delivery service 
acceptance receipt is on or before that date.

Electronic Submissions

    Submit electronic comments in the following way:
     Federal eRulemaking Portal: https://www.regulations.gov. 
Follow the instructions for submitting comments. Comments submitted 
electronically, including attachments, to https://www.regulations.gov 
will be posted to the docket unchanged. Because your comment will be 
made public, you are solely responsible for ensuring that your comment 
does not include any confidential information that you or a third party 
may not wish to be posted, such as medical information, your or anyone 
else's Social Security number, or confidential business information, 
such as a manufacturing process. Please note that if you include your 
name, contact information, or other information that identifies you in 
the body of your comments, that information will be posted on https://www.regulations.gov.
     If you want to submit a comment with confidential 
information that you do not wish to be made available to the public, 
submit the comment as a written/paper submission and in the manner 
detailed (see ``Written/Paper Submissions'' and ``Instructions'').

Written/Paper Submissions

    Submit written/paper submissions as follows:
     Mail/Hand delivery/Courier (for written/paper 
submissions): Dockets Management Staff (HFA-305), Food and Drug 
Administration, 5630 Fishers Lane, Rm. 1061, Rockville, MD 20852.
     For written/paper comments submitted to the Dockets 
Management Staff, FDA will post your comment, as well as any 
attachments, except for information submitted, marked and identified, 
as confidential, if submitted as detailed in ``Instructions.''
    Instructions: All submissions received must include the Docket Nos. 
FDA-2016-E-2503, FDA-2016-E-2504, FDA-2016-E-2505, FDA-2016-E-2506, and 
FDA-2016-E-2507 for ``Determination of Regulatory Review Period for 
Purposes of Patent Extension; ZURAMPIC.'' Received comments, those 
filed in a timely manner (see ADDRESSES), will be placed in the docket 
and, except for those submitted as ``Confidential Submissions,'' 
publicly viewable at https://www.regulations.gov or at the Dockets 
Management Staff between 9 a.m. and 4 p.m., Monday through Friday.
     Confidential Submissions--To submit a comment with 
confidential information that you do not wish to be made publicly 
available, submit your comments only as a written/paper submission. You 
should submit two copies total. One copy will include the information 
you claim to be confidential with a heading or cover note that states 
``THIS DOCUMENT CONTAINS CONFIDENTIAL INFORMATION.'' The Agency will 
review this copy, including the claimed confidential information, in 
its consideration of comments. The second copy, which will have the 
claimed confidential information redacted/blacked out, will be 
available for public viewing and posted on https://www.regulations.gov. 
Submit both copies to the Dockets Management Staff. If you do not wish 
your name and contact information to be made publicly available, you 
can provide this information on the cover sheet and not in the body of 
your comments and you must identify this information as 
``confidential.'' Any information marked as ``confidential'' will not 
be disclosed except in accordance with Sec.  10.20 (21 CFR 10.20) and 
other applicable disclosure law. For more information about FDA's 
posting of comments to public dockets, see 80 FR 56469, September 18, 
2015, or access the

[[Page 3000]]

information at: https://www.thefederalregister.org/fdsys/pkg/FR-2015-09-18/pdf/2015-23389.pdf.
    Docket: For access to the docket to read background documents or 
the electronic and written/paper comments received, go to https://www.regulations.gov and insert the docket numbers, found in brackets in 
the heading of this document, into the ``Search'' box and follow the 
prompts and/or go to the Dockets Management Staff, 5630 Fishers Lane, 
Rm. 1061, Rockville, MD 20852.

FOR FURTHER INFORMATION CONTACT: Beverly Friedman, Office of Regulatory 
Policy, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 
51, Rm. 6250, Silver Spring, MD 20993, 301-796-3600.

SUPPLEMENTARY INFORMATION:

I. Background

    The Drug Price Competition and Patent Term Restoration Act of 1984 
(Pub. L. 98-417) and the Generic Animal Drug and Patent Term 
Restoration Act (Pub. L. 100-670) generally provide that a patent may 
be extended for a period of up to 5 years so long as the patented item 
(human drug product, animal drug product, medical device, food 
additive, or color additive) was subject to regulatory review by FDA 
before the item was marketed. Under these acts, a product's regulatory 
review period forms the basis for determining the amount of extension 
an applicant may receive.
    A regulatory review period consists of two periods of time: A 
testing phase and an approval phase. For human drug products, the 
testing phase begins when the exemption to permit the clinical 
investigations of the drug becomes effective and runs until the 
approval phase begins. The approval phase starts with the initial 
submission of an application to market the human drug product and 
continues until FDA grants permission to market the drug product. 
Although only a portion of a regulatory review period may count toward 
the actual amount of extension that the Director of USPTO may award 
(for example, half the testing phase must be subtracted as well as any 
time that may have occurred before the patent was issued), FDA's 
determination of the length of a regulatory review period for a human 
drug product will include all of the testing phase and approval phase 
as specified in 35 U.S.C. 156(g)(1)(B).
    FDA has approved for marketing the human drug product ZURAMPIC 
(lesinurad). ZURAMPIC is indicated in combination with a xanthine 
oxidase inhibitor for the treatment of hyperuricemia associated with 
gout in patients who have not achieved target serum uric acid levels 
with a xanthine oxidase inhibitor alone. Subsequent to this approval, 
the USPTO received patent term restoration applications for ZURAMPIC 
(U.S. Patent Nos. 8,003,681; 8,084,483; 8,283,369; 8,357,713; and 
8,546,437) from Ardea Biosciences, Inc., and the USPTO requested FDA's 
assistance in determining the patents' eligibility for patent term 
restoration. In a letter dated November 10, 2016, FDA advised the USPTO 
that this human drug product had undergone a regulatory review period 
and that the approval of ZURAMPIC represented the first permitted 
commercial marketing or use of the product. Thereafter, the USPTO 
requested that FDA determine the product's regulatory review period.

II. Determination of Regulatory Review Period

    FDA has determined that the applicable regulatory review period for 
ZURAMPIC is 2,245 days. Of this time, 1,886 days occurred during the 
testing phase of the regulatory review period, while 359 days occurred 
during the approval phase. These periods of time were derived from the 
following dates:
    1. The date an exemption under section 505(i) of the Federal Food, 
Drug, and Cosmetic Act (FD&C Act) (21 U.S.C. 355(i)) became effective: 
October 31, 2009. FDA has verified the applicant's claim that the date 
the investigational new drug application became effective was on 
October 31, 2009.
    2. The date the application was initially submitted with respect to 
the human drug product under section 505(b) of the FD&C Act: December 
29, 2014. FDA has verified the applicant's claim that the new drug 
application (NDA) for ZURAMPIC (NDA 207988) was initially submitted on 
December 29, 2014.
    3. The date the application was approved: December 22, 2015. FDA 
has verified the applicant's claim that NDA 207988 was approved on 
December 22, 2015.
    This determination of the regulatory review period establishes the 
maximum potential length of a patent extension. However, the USPTO 
applies several statutory limitations in its calculations of the actual 
period for patent extension. In its applications for patent extension, 
this applicant seeks 971 days, 127 days, 391 days, and 237 days of 
patent term extension.

III. Petitions

    Anyone with knowledge that any of the dates as published are 
incorrect may submit either electronic or written comments and, under 
21 CFR 60.24, ask for a redetermination (see DATES). Furthermore, as 
specified in Sec.  60.30 (21 CFR 60.30), any interested person may 
petition FDA for a determination regarding whether the applicant for 
extension acted with due diligence during the regulatory review period. 
To meet its burden, the petition must comply with all the requirements 
of Sec.  60.30, including but not limited to: must be timely (see 
DATES), must be filed in accordance with Sec.  10.20, must contain 
sufficient facts to merit an FDA investigation, and must certify that a 
true and complete copy of the petition has been served upon the patent 
applicant. (See H. Rept. 857, part 1, 98th Cong., 2d sess., pp. 41-42, 
1984.) Petitions should be in the format specified in 21 CFR 10.30.
    Submit petitions electronically to https://www.regulations.gov at 
Docket No. FDA-2013-S-0610. Submit written petitions (two copies are 
required) to the Dockets Management Staff (HFA-305), Food and Drug 
Administration, 5630 Fishers Lane, Rm. 1061, Rockville, MD 20852.

    Dated: January 16, 2018.
Leslie Kux,
Associate Commissioner for Policy.
[FR Doc. 2018-00992 Filed 1-19-18; 8:45 am]
 BILLING CODE 4164-01-P



                                                                             Federal Register / Vol. 83, No. 14 / Monday, January 22, 2018 / Notices                                             2999

                                                 This determination of the regulatory                  for ZURAMPIC and is publishing this                    written/paper submission and in the
                                               review period establishes the maximum                   notice of that determination as required               manner detailed (see ‘‘Written/Paper
                                               potential length of a patent extension.                 by law. FDA has made the                               Submissions’’ and ‘‘Instructions’’).
                                               However, the USPTO applies several                      determination because of the
                                                                                                                                                              Written/Paper Submissions
                                               statutory limitations in its calculations               submission of applications to the
                                               of the actual period for patent extension.              Director of the U.S. Patent and                           Submit written/paper submissions as
                                               In its application for patent extension,                Trademark Office (USPTO), Department                   follows:
                                               this applicant seeks 576 days of patent                 of Commerce, for the extension of a                       • Mail/Hand delivery/Courier (for
                                               term extension.                                         patent which claims that human drug                    written/paper submissions): Dockets
                                                                                                       product.                                               Management Staff (HFA–305), Food and
                                               III. Petitions                                                                                                 Drug Administration, 5630 Fishers
                                                                                                       DATES: Anyone with knowledge that any                  Lane, Rm. 1061, Rockville, MD 20852.
                                                  Anyone with knowledge that any of
                                               the dates as published are incorrect may
                                                                                                       of the dates as published (see the                        • For written/paper comments
                                                                                                       SUPPLEMENTARY INFORMATION section) are                 submitted to the Dockets Management
                                               submit either electronic or written
                                                                                                       incorrect may submit either electronic                 Staff, FDA will post your comment, as
                                               comments and, under 21 CFR 60.24, ask
                                                                                                       or written comments and ask for a                      well as any attachments, except for
                                               for a redetermination (see DATES).
                                                                                                       redetermination by March 23, 2018.                     information submitted, marked and
                                               Furthermore, as specified in § 60.30 (21
                                                                                                       Furthermore, any interested person may                 identified, as confidential, if submitted
                                               CFR 60.30), any interested person may
                                                                                                       petition FDA for a determination                       as detailed in ‘‘Instructions.’’
                                               petition FDA for a determination
                                                                                                       regarding whether the applicant for                       Instructions: All submissions received
                                               regarding whether the applicant for
                                                                                                       extension acted with due diligence                     must include the Docket Nos. FDA–
                                               extension acted with due diligence
                                                                                                       during the regulatory review period by                 2016–E–2503, FDA–2016–E–2504,
                                               during the regulatory review period. To
                                                                                                       July 23, 2018. See ‘‘Petitions’’ in the                FDA–2016–E–2505, FDA–2016–E–2506,
                                               meet its burden, the petition must
                                                                                                       SUPPLEMENTARY INFORMATION section for                  and FDA–2016–E–2507 for
                                               comply with all the requirements of
                                                                                                       more information.                                      ‘‘Determination of Regulatory Review
                                               § 60.30, including but not limited to:
                                               Must be timely (see DATES), must be                     ADDRESSES: You may submit comments                     Period for Purposes of Patent Extension;
                                               filed in accordance with § 10.20, must                  as follows. Please note that late,                     ZURAMPIC.’’ Received comments,
                                                                                                       untimely filed comments will not be                    those filed in a timely manner (see
                                               contain sufficient facts to merit an FDA
                                                                                                       considered. Electronic comments must                   ADDRESSES), will be placed in the docket
                                               investigation, and must certify that a
                                                                                                       be submitted on or before March 23,                    and, except for those submitted as
                                               true and complete copy of the petition
                                                                                                       2018. The https://www.regulations.gov                  ‘‘Confidential Submissions,’’ publicly
                                               has been served upon the patent
                                                                                                       electronic filing system will accept                   viewable at https://www.regulations.gov
                                               applicant. (See H. Rept. 857, part 1, 98th
                                                                                                       comments until midnight Eastern Time                   or at the Dockets Management Staff
                                               Cong., 2d sess., pp. 41–42, 1984.)
                                                                                                       at the end of March 23, 2018. Comments                 between 9 a.m. and 4 p.m., Monday
                                               Petitions should be in the format
                                                                                                       received by mail/hand delivery/courier                 through Friday.
                                               specified in 21 CFR 10.30.                                                                                        • Confidential Submissions—To
                                                  Submit petitions electronically to                   (for written/paper submissions) will be
                                                                                                       considered timely if they are                          submit a comment with confidential
                                               https://www.regulations.gov at Docket
                                                                                                       postmarked or the delivery service                     information that you do not wish to be
                                               No. FDA–2013–S–0610. Submit written
                                                                                                       acceptance receipt is on or before that                made publicly available, submit your
                                               petitions (two copies are required) to the
                                                                                                       date.                                                  comments only as a written/paper
                                               Dockets Management Staff (HFA–305),
                                                                                                                                                              submission. You should submit two
                                               Food and Drug Administration, 5630                      Electronic Submissions                                 copies total. One copy will include the
                                               Fishers Lane, Rm. 1061, Rockville, MD
                                                                                                         Submit electronic comments in the                    information you claim to be confidential
                                               20852.
                                                                                                       following way:                                         with a heading or cover note that states
                                                 Dated: January 16, 2018.                                • Federal eRulemaking Portal:                        ‘‘THIS DOCUMENT CONTAINS
                                               Leslie Kux,                                             https://www.regulations.gov. Follow the                CONFIDENTIAL INFORMATION.’’ The
                                               Associate Commissioner for Policy.                      instructions for submitting comments.                  Agency will review this copy, including
                                               [FR Doc. 2018–00995 Filed 1–19–18; 8:45 am]             Comments submitted electronically,                     the claimed confidential information, in
                                               BILLING CODE 4164–01–P                                  including attachments, to https://                     its consideration of comments. The
                                                                                                       www.regulations.gov will be posted to                  second copy, which will have the
                                                                                                       the docket unchanged. Because your                     claimed confidential information
                                               DEPARTMENT OF HEALTH AND                                comment will be made public, you are                   redacted/blacked out, will be available
                                               HUMAN SERVICES                                          solely responsible for ensuring that your              for public viewing and posted on
                                                                                                       comment does not include any                           https://www.regulations.gov. Submit
                                               Food and Drug Administration                            confidential information that you or a                 both copies to the Dockets Management
                                               [Docket Nos. FDA–2016–E–2503, FDA–                      third party may not wish to be posted,                 Staff. If you do not wish your name and
                                               2016–E–2504, FDA–2016–E–2505, FDA–                      such as medical information, your or                   contact information to be made publicly
                                               2016–E–2506, and FDA–2016–E–2507]                       anyone else’s Social Security number, or               available, you can provide this
                                                                                                       confidential business information, such                information on the cover sheet and not
                                               Determination of Regulatory Review                      as a manufacturing process. Please note                in the body of your comments and you
                                               Period for Purposes of Patent                           that if you include your name, contact                 must identify this information as
                                               Extension; ZURAMPIC                                     information, or other information that                 ‘‘confidential.’’ Any information marked
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                                               AGENCY:    Food and Drug Administration,                identifies you in the body of your                     as ‘‘confidential’’ will not be disclosed
                                               HHS.                                                    comments, that information will be                     except in accordance with § 10.20 (21
                                               ACTION:   Notice.                                       posted on https://www.regulations.gov.                 CFR 10.20) and other applicable
                                                                                                         • If you want to submit a comment                    disclosure law. For more information
                                               SUMMARY: The Food and Drug                              with confidential information that you                 about FDA’s posting of comments to
                                               Administration (FDA or the Agency) has                  do not wish to be made available to the                public dockets, see 80 FR 56469,
                                               determined the regulatory review period                 public, submit the comment as a                        September 18, 2015, or access the


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                                               3000                          Federal Register / Vol. 83, No. 14 / Monday, January 22, 2018 / Notices

                                               information at: https://www.gpo.gov/                    hyperuricemia associated with gout in                  comments and, under 21 CFR 60.24, ask
                                               fdsys/pkg/FR-2015-09-18/pdf/2015-                       patients who have not achieved target                  for a redetermination (see DATES).
                                               23389.pdf.                                              serum uric acid levels with a xanthine                 Furthermore, as specified in § 60.30 (21
                                                  Docket: For access to the docket to                  oxidase inhibitor alone. Subsequent to                 CFR 60.30), any interested person may
                                               read background documents or the                        this approval, the USPTO received                      petition FDA for a determination
                                               electronic and written/paper comments                   patent term restoration applications for               regarding whether the applicant for
                                               received, go to https://                                ZURAMPIC (U.S. Patent Nos. 8,003,681;                  extension acted with due diligence
                                               www.regulations.gov and insert the                      8,084,483; 8,283,369; 8,357,713; and                   during the regulatory review period. To
                                               docket numbers, found in brackets in                    8,546,437) from Ardea Biosciences, Inc.,               meet its burden, the petition must
                                               the heading of this document, into the                  and the USPTO requested FDA’s                          comply with all the requirements of
                                               ‘‘Search’’ box and follow the prompts                   assistance in determining the patents’                 § 60.30, including but not limited to:
                                               and/or go to the Dockets Management                     eligibility for patent term restoration. In            must be timely (see DATES), must be
                                               Staff, 5630 Fishers Lane, Rm. 1061,                     a letter dated November 10, 2016, FDA                  filed in accordance with § 10.20, must
                                               Rockville, MD 20852.                                    advised the USPTO that this human                      contain sufficient facts to merit an FDA
                                               FOR FURTHER INFORMATION CONTACT:                        drug product had undergone a                           investigation, and must certify that a
                                               Beverly Friedman, Office of Regulatory                  regulatory review period and that the                  true and complete copy of the petition
                                               Policy, Food and Drug Administration,                   approval of ZURAMPIC represented the                   has been served upon the patent
                                               10903 New Hampshire Ave., Bldg. 51,                     first permitted commercial marketing or                applicant. (See H. Rept. 857, part 1, 98th
                                               Rm. 6250, Silver Spring, MD 20993,                      use of the product. Thereafter, the                    Cong., 2d sess., pp. 41–42, 1984.)
                                               301–796–3600.                                           USPTO requested that FDA determine                     Petitions should be in the format
                                               SUPPLEMENTARY INFORMATION:
                                                                                                       the product’s regulatory review period.                specified in 21 CFR 10.30.
                                                                                                       II. Determination of Regulatory Review                    Submit petitions electronically to
                                               I. Background                                                                                                  https://www.regulations.gov at Docket
                                                                                                       Period
                                                  The Drug Price Competition and                                                                              No. FDA–2013–S–0610. Submit written
                                                                                                          FDA has determined that the                         petitions (two copies are required) to the
                                               Patent Term Restoration Act of 1984
                                                                                                       applicable regulatory review period for                Dockets Management Staff (HFA–305),
                                               (Pub. L. 98–417) and the Generic
                                                                                                       ZURAMPIC is 2,245 days. Of this time,                  Food and Drug Administration, 5630
                                               Animal Drug and Patent Term
                                                                                                       1,886 days occurred during the testing                 Fishers Lane, Rm. 1061, Rockville, MD
                                               Restoration Act (Pub. L. 100–670)
                                                                                                       phase of the regulatory review period,                 20852.
                                               generally provide that a patent may be
                                                                                                       while 359 days occurred during the
                                               extended for a period of up to 5 years                                                                           Dated: January 16, 2018.
                                                                                                       approval phase. These periods of time
                                               so long as the patented item (human                                                                            Leslie Kux,
                                                                                                       were derived from the following dates:
                                               drug product, animal drug product,                         1. The date an exemption under                      Associate Commissioner for Policy.
                                               medical device, food additive, or color                 section 505(i) of the Federal Food, Drug,              [FR Doc. 2018–00992 Filed 1–19–18; 8:45 am]
                                               additive) was subject to regulatory                     and Cosmetic Act (FD&C Act) (21 U.S.C.                 BILLING CODE 4164–01–P
                                               review by FDA before the item was                       355(i)) became effective: October 31,
                                               marketed. Under these acts, a product’s                 2009. FDA has verified the applicant’s
                                               regulatory review period forms the basis                claim that the date the investigational                DEPARTMENT OF HEALTH AND
                                               for determining the amount of extension                 new drug application became effective                  HUMAN SERVICES
                                               an applicant may receive.                               was on October 31, 2009.
                                                  A regulatory review period consists of                  2. The date the application was                     Food and Drug Administration
                                               two periods of time: A testing phase and                initially submitted with respect to the                [Docket Nos. FDA–2016–E–2463; FDA–
                                               an approval phase. For human drug                       human drug product under section                       2016–E–2464; FDA–2016–E–2465; and FDA–
                                               products, the testing phase begins when                 505(b) of the FD&C Act: December 29,                   2016–E–2466]
                                               the exemption to permit the clinical                    2014. FDA has verified the applicant’s
                                               investigations of the drug becomes                      claim that the new drug application                    Determination of Regulatory Review
                                               effective and runs until the approval                   (NDA) for ZURAMPIC (NDA 207988)                        Period for Purposes of Patent
                                               phase begins. The approval phase starts                 was initially submitted on December 29,                Extension; NINLARO
                                               with the initial submission of an                       2014.
                                               application to market the human drug                                                                           AGENCY:   Food and Drug Administration,
                                                                                                          3. The date the application was
                                               product and continues until FDA grants                                                                         HHS.
                                                                                                       approved: December 22, 2015. FDA has
                                               permission to market the drug product.                  verified the applicant’s claim that NDA                ACTION:   Notice.
                                               Although only a portion of a regulatory                 207988 was approved on December 22,
                                               review period may count toward the                                                                             SUMMARY:   The Food and Drug
                                                                                                       2015.                                                  Administration (FDA or the Agency) has
                                               actual amount of extension that the                        This determination of the regulatory
                                               Director of USPTO may award (for                                                                               determined the regulatory review period
                                                                                                       review period establishes the maximum                  for NINLARO and is publishing this
                                               example, half the testing phase must be                 potential length of a patent extension.
                                               subtracted as well as any time that may                                                                        notice of that determination as required
                                                                                                       However, the USPTO applies several                     by law. FDA has made the
                                               have occurred before the patent was                     statutory limitations in its calculations
                                               issued), FDA’s determination of the                                                                            determination because of the
                                                                                                       of the actual period for patent extension.             submission of applications to the
                                               length of a regulatory review period for                In its applications for patent extension,
                                               a human drug product will include all                                                                          Director of the U.S. Patent and
                                                                                                       this applicant seeks 971 days, 127 days,
ethrower on DSK3G9T082PROD with NOTICES




                                               of the testing phase and approval phase                                                                        Trademark Office (USPTO), Department
                                                                                                       391 days, and 237 days of patent term                  of Commerce, for the extension of a
                                               as specified in 35 U.S.C. 156(g)(1)(B).                 extension.
                                                  FDA has approved for marketing the                                                                          patent which claims that human drug
                                               human drug product ZURAMPIC                             III. Petitions                                         product.
                                               (lesinurad). ZURAMPIC is indicated in                      Anyone with knowledge that any of                   DATES:  Anyone with knowledge that any
                                               combination with a xanthine oxidase                     the dates as published are incorrect may               of the dates as published (see the
                                               inhibitor for the treatment of                          submit either electronic or written                    SUPPLEMENTARY INFORMATION section) are



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Document Created: 2018-01-23 21:35:44
Document Modified: 2018-01-23 21:35:44
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionNotices
ActionNotice.
DatesAnyone with knowledge that any of the dates as published (see the SUPPLEMENTARY INFORMATION section) are incorrect may submit either electronic or written comments and ask for a redetermination by March 23, 2018. Furthermore, any interested person may petition FDA for a determination regarding whether the applicant for extension acted with due diligence during the regulatory review period by July 23, 2018. See ``Petitions'' in the SUPPLEMENTARY INFORMATION section for more information.
ContactBeverly Friedman, Office of Regulatory Policy, Food and Drug Administration, 10903 New Hampshire Ave., Bldg. 51, Rm. 6250, Silver Spring, MD 20993, 301-796-3600.
FR Citation83 FR 2999 

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