In Credit Acceptance Corp. v. Westlake Services, [2016-2001](June 9, 2017), the Federal Circuit affirmed the PTAB decision that Westlake was not estopped to bring a CBMR challenge to U.S. Patent No. 6,950,807, and that the challenged claims of this patent were … Continue reading Estoppel in CBMR is Both Reviewable and Determined on a Claim by Claim Basis