The US ITC has officially launched a 337 investigation into the combination of small microwave ovens and range hoods

On December 17, 2025, the United States International Trade Commission (ITC) voted to initiate a 337 investigation (investigation code: 337-TA-1467) into certain low profile microwave hood combination products.

On November 18, 2025, Whirlpool Corporation of Benton Harbor, Michigan, filed a 337 investigation application with the US ITC, claiming that the product exported, imported, and sold in the United States violated US Section 337 (infringing US registered patent numbers 11079118, 11979967, 12101865, 12133317, 12289819 B2), and requested the US ITC to issue a limited exclusion order or injunction.

Samsung Electronics Co., Ltd., Suwon si, Republic of Korea, Samsung Electronics America, Inc., Englewood Cliffs, New Jersey, LG Electronics Inc., Seoul, Republic of Korea, LG Electronics USA, Inc., Englewood Cliffs, New Jersey, Midea Group Co., Ltd., Foshan City, Guangdong Province, China, Midea Corporation, Parsippany, New Jersey, Haier Group Corporation, Qingdao, Shandong, China, Haier US Appliance Solutions, Inc. d/b/a GE Appliances, Louisville, KY Electrolux Professional AB, Stockholm, Sweden, Electrolux Consumer Products, Inc., Charlotte, North Carolina, USA, Cosmo Products, LLC, Chino, California, USA Meyer Corporation, U.S., Vallejo, California、 Koolmore Supply, Inc., Brooklyn, New York, THOR International d/b/a THOR Kitchen, Inc., Ontario, California, Canada, Unique Appliances Ltd., Oakville, Ontario, Canada, and CTM Household Appliances Inc., Montreal (Quebec), Canada are listed defendants.

The US International Trade Commission will determine the end date of the investigation within 45 days after filing the case. Except in cases where the United States Trade Representative vetoes a relief order based on policy reasons, the relief order issued by the United States International Trade Commission in the 337 case shall take effect from the date of issuance and shall have final effect on the 60th day after the date of issuance.

(Compiled from the official website of the United States International Trade Commission)