Zenith Electronics Corp. v. PDI Communication Systems, Inc.

Case Number: CLB0182

Date: 04.16.2008

Citation: No. 2007-1288, -1321

The Federal Circuit again rejects a “practicing the prior art” defense to patent infringement; the court also finds that a purchaser of the patented product at issue has an implied license to use the product in an otherwise infringing manner based on express licenses between the patentee and manufacturers.

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