On Dec 17, 2025, US ITC initiated 337-TA-1466 investigation on certain antibody drug conjugates. Applicants are AbbVie etc., defendants include Profound Bio etc. ITC will decide investigation end date within 45 days.

On Dec 16, 2025, US ITC initiated 337-TA-1465 investigation into certain semiconductor devices/computing products over patent infringement claims by Adeia Inc. Defendants include AMD, Lenovo entities, Super Micro. ITC will set investigation end date within 45 days of Nov 17, 2025 filing.

On December 17, 2025, US ITC initiated 337 investigation (337-TA-1467) into low profile microwave hood combination products. Filed by Whirlpool on Nov 18, 2025, claiming patent infringement. Defendants include Samsung, LG, Midea, Haier etc. ITC will set end date within 45 days of filing.

On December 16, 2025, Active Wireless Technologies LLC filed a Section 337 application with the U.S. ITC, alleging certain wireless communication devices/components violated Section 337, listing multiple companies as defendants.

On Dec 16, 2025, US ITC voted for the 4th anti-dumping sunset review of Russian silicon metal imports, determining lifting measures may cause continued/recurred substantial damage to US domestic industry, so current measures remain effective. It also notes the 2002 investigation, 2003 duty imposition, 3 prior extensions, 2025 May investigation launch and Aug Commerce final ruling.

On December 17, 2025, Turkiye's Ministry of Trade issued Announcement 2025/42 to initiate an anti-dumping investigation against Egyptian-origin drying agents. The dumping investigation period is July 1, 2024-June 30, 2025, injury period Jan 1, 2022-June 30, 2025. The product's tax number is 3211.00.00.00.00, effective from publication.

On December 15, 2025, US ITC made a positive final ruling on anti-dumping & countervailing duty industry damage for thermoformed molded fiber products from China & Vietnam, finding substantial harm to US industry. US DOC will issue duty orders; products under HTS codes 4823.70.0020/40. The case was initiated in Oct 2024, with DOC's final ruling in Sep 2025.

Brazil's Foreign Trade Secretariat issued Announcement No.96/2025 (Dec 5,2025) extending the anti-dumping investigation deadline on glass fibers from China/Egypt to 18 months. Earlier (Aug 6,2025), Announcement No.60/2025 initiated the probe per Owens Corning's application, covering E/E-CR roving fibers (≥100g/km, tax 7019.12.90).

On Dec 12, 2025, Brazil's Foreign Trade Secretariat extended the anti-dumping sunset review deadline for bicycle tires from China, India, Vietnam to 12 months, with current measures remaining in effect. It also includes past investigations, duty impositions and prior reviews.

On Dec 11, 2025, India's Ministry of Commerce and Industry terminated its anti-dumping probe into para nitrotoluene (PNT) from the EU, following the applicant's withdrawal. The probe was initiated on June 16, 2025 by Aarti Industries with specified investigation periods.

The USTR says it will take countermeasures if the EU restricts U.S. service/tech providers. The EU uses discriminatory measures against U.S. firms, while the U.S. lists 9 EU companies as targets. The EU enforced digital acts on U.S. tech firms this year; the U.S. accuses unfairness and threatens tariffs, EU calls it extortion. On Dec 5, EU fined X 120M euros, Trump threatened tariffs on EU/Canada.

On December 16, Xinhua reported the US government suspended the US-UK Technology Prosperity Agreement (signed in September) over dissatisfaction with UK's food, industrial product standards and digital regulation policies to pressure the UK; the agreement focuses on AI, quantum computing and civil nuclear energy cooperation.