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The Federal Circuit vacated a preliminary injunction in a patent infringement case after determining that the district court misconstrued two critical claim terms—'backplate' and 'pin'—in its likelihood-of-success analysis. The appellate court rejected both parties' proposed constructions for 'backplate' and held that 'pin' should carry its plain and ordinary meaning rather than being subject to means-plus-function interpretation.

The U.S. Department of Commerce has established new enforcement mechanisms for anti-stockpiling provisions under the August 2026 Section 232 Proclamation covering polysilicon and derivative products. These measures introduce monitoring procedures for existing importers, volume restrictions for new importers, and a waiver application process, with potential penalties including import prohibitions and customs broker license suspensions.

CareFirst's antitrust appeal against Johnson & Johnson over STELARA® patent acquisition reaches the Fourth Circuit, with parties disputing whether monopolization requires specific intent to exclude competitors. The Federal Trade Commission has weighed in with an amicus brief challenging the district court's interpretation of antitrust law standards.