Recently, the Federal Circuit held that an ex-employee (of Cisco) who founded a competitor (Arista) can challenge their own assigned patent, finding that, after assignment, they are not the patent owner. The Court held that...more
In October 2016, we posted about a Federal Circuit decision addressing whether assignor estoppel bars a party from filing an inter partes review petition. In Athena Automation Ltd. v. Husky Injection Molding Systems Ltd., the...more
Withdrawal of Claims During Prosecution Can Trigger Prosecution History Estoppel In UCB, Inc. v. Yeda Research and Development Co., Ltd., Appeal No. 2015-1957, the Federal Circuit held that prosecution estoppel can apply even...more