Mentone Solutions LLC v. Digi International Inc., No. 21-1202 (Fed. Cir. Nov. 15, 2021)

From the Opinion

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Mentone Solutions LLC appeals an order from the Dis- trict of Delaware holding the claims of U.S. Patent No. 6,952,413 invalid under 35 U.S.C. § 101 and dismissing Mentone’s claim of patent infringement. For the following reasons, we reverse. BACKGROUND I The ’413 patent relates to dynamic resource allocation in general packet radio systems. ’413 patent at 1:8–10. In those systems, a number of mobile stations communicate with a single network through physical links called Packet MENTONE SOLUTIONS LLC v. DIGI INTERNATIONAL INC. 3 Data Channels (PDCHs).