Courts Divided Over Whether IPR Estoppel Extends to Unraised Grounds
Last week Judge Casper of the District of Massachusetts joined the District of Delaware in holding that IPR estoppel under 35 U.S.C. § 315(e)(2) does not apply to grounds that a petitioner failed to raise in its petition. Koninklijke Philips N.V. et al. v. Wang Alliance Corp. This decision adds to a growing district court…