The Patent Trial and Appeal Board issued 37 IPR and CBM Final Written Decisions in April, including decisions following remands from the Federal Circuit, cancelling 316 (69%) instituted claims while declining to cancel 142 (31%) instituted claims. Patent owners did not concede any instituted claims through motions to amend or disclaimer in cases reaching a final decision. For comparison, the cumulative average rate of instituted claims cancelled in IPR and CBM Final Written Decisions is about 74%.
