The U.S. Court of Appeals for the Federal Circuit (CAFC) today reversed the U.S. District Court for the District of Pennsylvania’s summary judgment that a medical device design patent was not invalid under the on-sale bar. Junker v. Medical Components, Inc. The district court found the patent was infringed and awarded damages in the amount of $1,247,910. But the CAFC held that a letter sent by the inventor’s business partner to Boston Scientific Corporation in 1999 represented a commercial offer for sale of the claimed design.

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