RADER, Circuit Judge.
In this patent infringement action, Weatherchem Corporation (Weatherchem) asserted that J.L. Clark, Inc. (Clark) infringed U.S. Patent Nos. 4,693,399 (the '399 patent) and 4,936,494 (the '494 patent). Clark counterclaimed for a declaratory judgment of invalidity, unenforceability, and noninfringement. After a bench trial, the district court entered judgment declaring both patents invalid, holding the '494 patent not infringed, and dismissing...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.