In Phil-Insul Corp. v. Airlite Plastics Co., [2016-1982] (April 17, 2017), the Federal Circuit affirmed summary judgment of non-infringement of U.S. Patent No. 5,428,933.  In prior litigation in which Phil-Insul asserted the patent against a different defendant, the district court construed … Continue reading Issue Preclusion: Patent Owner Does Not Get a Do Over to Assert the Claims Against Similar Products