SUPPLEMENTARY INFORMATION:

Authority: The authority for institution of this investigation is contained in section 337 of the Tariff Act of 1930, as amended, 19 U.S.C. 1337, and in section 210.10 of the Commission's Rules of Practice and Procedure, 19 CFR 210.10 (2025).

Scope of Investigation: Having considered the complaint, the U.S. International Trade Commission, on April 27, 2026, ordered that —

(1) Pursuant to subsection (b) of section 337 of the Tariff Act of 1930, as amended, an investigation be instituted to determine whether there is a violation of subsection (a)(1)(B) of section 337 in the importation into the United States, the sale for importation, or the sale within the United States after importation of certain products identified in paragraph (2) by reason of infringement of one or more of claims 1, 5-12, and 15-19 of the '235 patent; claims 1-7, 13-18, and 20 of the '983 patent; claims 1-9 of the '425 patent; claims 1-14 of the '546 patent; claims 1-12, 14, and 16-18 of the '748 patent; and claims 1-6 of the '167 patent, and whether an industry in the United States exists as required by subsection (a)(2) of section 337;

(2) Pursuant to section 210.10(b)(1) of the Commission's Rules of Practice and Procedure, 19 CFR 210.10(b)(1), the plain language description of the accused products or category of accused products, which defines the scope of the investigation, is “certain semiconductor devices manufactured using Tower's RF, power management, BCD, logic, SiGe, and BiCMOS processes, including wafers and chips, and components thereof”;

(3) For the purpose of the investigation so instituted, the following are hereby named as parties upon which this notice of investigation shall be served:

(a) The complainant is:

GlobalFoundries U.S. Inc., 400 Stonebreak Road Extension, Malta, NY 12020

(b) The respondents are the following entities alleged to be in violation of section 337, and are the parties upon which the complaint is to be served:

Tower Semiconductor Ltd., Ramat Gavriel Industrial Park, 20 Shaul Amor Avenue, P.O. Box 619, Migdal Haemek, 2310502, Israel

Tower Partners Semiconductor Co., Ltd., 800 Higashiyama, Uozu-city Toyama, 937-8585, Japan

Tower Semiconductor Italy S.R.L. (Italy), Via Marco De Marchi 7, 20121 Milano (MI), Italy

Tower US Holdings, Inc., 4321 Jamboree Road, Newport Beach, California 92660

Tower Semiconductor San Antonio, Inc., 9651 Westover Hills Boulevard, San Antonio, Texas 78251

Tower NPB Holdings, Inc., 2570 N 1st Street, Suite 480, San Jose, California 95131

Tower Semiconductor Newport Beach, Inc., 4321 Jamboree Road, Newport Beach, California 92660

Newport Fab LLC, 4321 Jamboree Road, Newport Beach, California 92660

(4) For the investigation so instituted, the Chief Administrative Law Judge, U.S. International Trade Commission, shall designate the presiding Administrative Law Judge.

The Office of Unfair Import Investigations will not participate as a party in this investigation.

Responses to the complaint and the notice of investigation must be submitted by the named respondents in accordance with section 210.13 of the Commission's Rules of Practice and Procedure, 19 CFR 210.13. Pursuant to 19 CFR 201.16(e) and 210.13(a), such responses will be considered by the Commission if received not later than 20 days after the date of service by the Commission of the complaint and the notice of investigation. Extensions of time for submitting responses to the complaint and the notice of investigation will not be granted unless good cause therefor is shown.

Failure of a respondent to file a timely response to each allegation in the complaint and in this notice may be deemed to constitute a waiver of the right to appear and contest the allegations of the complaint and this notice, and to authorize the administrative law judge and the Commission, without further notice to the respondent, to find the facts to be as alleged in the complaint and this notice and to enter an initial determination and a final determination containing such findings, and may result in the issuance of an exclusion order or a cease and desist order or both directed against the respondent.

91 FR 23305