Still Unlawful to Charge Patent Royalties Beyond Patent’s Expiration Date

In July 2013, the The Ninth Circuit U.S. Court of Appeals in Kimble v. Marvel Enterprises Inc., No. 11-15605 (9th Cir. July 16, 2013), followed the Supreme Court’s holding in Brullote v. Thys Co., 379 U.S. 29 (1964). In Brullote, charging patent royalties beyond a patent’s expiration date is “unlawful per se.” In Kimble, the […]

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