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Panduit Corp. v. Stahlin Bros. Fibre Works, Inc.

Sixth Circuit Court of Appeals
575 F.2d 1152 (6th Cir. 1978)


Panduit (plaintiff) sued Stahlin (defendant) in 1964 for infringement of the ‘301 patent, which claimed wiring for ductwork systems. In 1969, the patent was found valid and infringed, and enjoined Stahlin from further infringement, a decision upheld on appeal. Later, Stahlin was held in contempt for manufacturing an imitation of a product it had been enjoined from making, which was also affirmed after an appeal. In 1971, the District Court appointed a special master to determine damages, and later the Court affirmed the master’s recommendations, which gave Panduit a 2.5% gross sale price royalty, a determination Panduit appealed.

Rule of Law


Holding and Reasoning (Markey, C.J.)

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