Assignor Estoppel And IPR's: Possible Impact of Arista v. Cisco On Employment Agreements and Assignment Agreements
In a November 9, 2018 decision (copy of decision linked below), the U.S. Court of Appeals for the Federal Circuit ruled that the doctrine of assignor estoppel does not apply in the inter partes review (IPR) context (see Arista Networks, Inc. v. Cisco Systems, Inc., (Fed. Cir. 2018)).