Obvious Claim Limitation Fails to Present Different Issues of Patentability Needed to Deny Collateral Estoppel

Feb 16, 2023 Google LLC V. Hammond Development International, Inc. Decided: December 8, 2022 Moore, Chen, and Stoll.  Opinion by Moore. Summary On appeal from an inter partes review (IPR) decision finding some claims of a first patent not unpatentable over prior art, where counterpart claims of a related, second patent had been invalidated in another IPR decision, […] READ MORE