
In consolidated appeals of a trio of Board decisions canceling pre-AIA patents in inter partes reviews (IPR), the Federal Circuit held “that the retroactive application of IPR proceedings to pre-AIA patents is not an unconstitutional taking under the Fifth Amendment.” Celgene Corp. v. Peter, Appeals 2018-1167, -1168, -1169, Slip Op. at 3 (Fed. Cir. July 30, 2019). As we previously discussed (link), the Supreme Court’s decision in Oil States Energy Services, LLC v. Greene’s Energy Group, LLC, 138 S. Ct. 1365, 1379 (2018), left open this issue. The Board’s decisions on appeal pre-date Oil States and unsurprisingly, perhaps, Celgene did not therefore raise the issue before the Board. But Celgene and the Patent Office briefed this constitutional issue in the appeal and then addressed it at oral argument to the Federal Circuit’s satisfaction. In further view of the growing number of appeals raising this issue in the wake of Oil States, the court exercised its discretion to decide the issue.
Continue Reading Federal Circuit Addresses Constitutional Issue Supreme Court Left Open

