Transco Products Inc. v. Performance Contracting, Inc.
Court of Appeals for the Federal Circuit
38 F.3d 551 (1994)
Relevant factsFree
Transco (plaintiff) sought a declaratory judgment invalidating Performance Contracting's (defendant) patent after Performance Contracting alleged infringement, and the district court granted Transco summary judgment on invalidity, which Performance Contracting appealed.
IssueFree
Whether a patent applicant must update a continuation patent application with a revised best mode when the continuation adds no new matter.