Whirlpool Corporation filed a complaint with the U.S. International Trade Commission on November 18, 2025, seeking to block the import and sale of over‑range microwaves produced by Samsung Electronics and LG Electronics. The complaint alleges that the devices infringe on five of Whirlpool’s patents covering its low‑profile microwave‑hood combination (LP‑MHC) technology, a design that integrates a microwave and a vent hood into a single, space‑saving unit.
The LP‑MHC patents protect Whirlpool’s claim to have invented the low‑profile microwave‑hood combination, a product that allows consumers to reclaim countertop space while increasing cabinet space above the range. Whirlpool’s senior vice president of product marketing, Michael Gross, described the design as “new to the industry, and exclusive to our brands.” The five patents cited in the complaint cover the mechanical configuration, the integrated venting system, and the electronic controls that enable the combined appliance to operate safely and efficiently.
In addition to Samsung and LG, the complaint names Midea and Haier as other infringing parties. Samsung’s alleged infringing models are manufactured in Malaysia, while LG’s are shipped from China. The inclusion of these additional competitors underscores the breadth of Whirlpool’s concern that its LP‑MHC technology is being replicated across the global appliance market.
Whirlpool’s filing comes amid a challenging Q3 2025 financial period. The company reported net sales of $4.03 billion, a 1.0% increase from the prior year, but GAAP net earnings fell 33.3% to $73 million. Management cited inventory loading from Asian competitors and tariff impacts as key headwinds. By pursuing the ITC action, Whirlpool seeks to protect its market share in the over‑range microwave segment and to defend the intellectual property that underpins its competitive advantage.
If the ITC rules in Whirlpool’s favor, it could issue an order prohibiting the import and sale of the infringing microwaves in the United States. Such a restriction would limit the availability of Samsung, LG, Midea, and Haier models in the U.S. market and could shift consumer demand toward Whirlpool’s own LP‑MHC products. The outcome will also signal to the industry the extent to which the ITC will enforce U.S. patent rights in the appliance sector.
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