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Reed Semiconductor Prevails in USPTO PTAB Patent Invalidation Proceeding Against Monolithic Power Systems [Yahoo! Finance]

Monolithic Power Systems, Inc. (MPWR) 
Last monolithic power systems, inc. earnings: 4/28 04:01 pm Check Earnings Report
US:NASDAQ Investor Relations: ir.monolithicpower.com/investor-relations
Company Research Source: Yahoo! Finance
semiconductor solutions, announced today a significant legal victory in a Patent Invalidation proceeding before the United States Patent and Trademark Office's Patent Trial and Appeal Board (PTAB). On January 22, 2026, the PTAB issued its Final Written Decision in IPR2024-01158, ruling in favor of Reed Semiconductor and finding that all challenged claims of U.S. Patent No. 9,041,377 B2, owned by Monolithic Power Systems, Inc. (MPS), are unpatentable. The Board concluded that Reed Semiconductor met its burden of proof by a preponderance of the evidence under 35 U.S.C. § 318(a). The decision represents a comprehensive validation of Reed Semiconductor's technical and legal position, confirming that the challenged claims lack patentability in view of the prior art. It further reinforces Reed's position that MPS's asserted claims and patents are without merit. As a result of the ruling, the asserted claims of the '377 patent can no longer be enforced. Reed Semiconductor anticipates con Show less Read more
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