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Patent Invalidity Appellate Courts Inter Partes Review (IPR) Proceeding

Schwabe, Williamson & Wyatt PC

Latest Federal Court Cases: Qualcomm Inc. v. Apple Inc.

Qualcomm Inc. v. Apple Inc., Appeal Nos. 2023-1208, -1209 (Fed. Cir. Apr. 23, 2025) - For a second time in this case, the Federal Circuit considered the proper role of “Applicant Admitted Prior Art” in an inter partes...more

Jones Day

Federal Circuit Reverses District Court’s Application Of Collateral Estoppel

Jones Day on

Kroy IP Holdings, LLC sued Groupon, Inc., alleging infringement of 13 claims of U.S. Patent No. 6,061,660 (“’660 patent’), which relates to incentive programs over computer networks. Those claims were invalidated via...more

McDermott Will & Emery

Collateral Estoppel Doesn’t Apply to Unchallenged IPR Claims

McDermott Will & Emery on

The US Court Appeals for the Federal Circuit found that despite a Patent Trial & Appeal Board determination that certain challenged patent claims were unpatentable based on a preponderance of the evidence standard, the patent...more

Warner Norcross + Judd

Federal Circuit Affirms the Use of ‘Secret’ Prior Art

Warner Norcross + Judd on

In a recent precedential opinion, the United States Court of Appeals for the Federal Circuit affirmed that a patent application constitutes prior art as of its filing date, not its publication date. In Lynk Labs. Inc. v....more

Bradley Arant Boult Cummings LLP

High Court to Review Whether Assignor Estoppel Prevents Assignor from Filing an IPR or Relying on a Prior Invalidity Decision

Last spring in Hologic, Inc. v. Minerva Surgical, Inc., the Federal Circuit ruled that the doctrine of assignor estoppel does not prevent an assignor from lodging a validity challenge of either patent in an IPR proceeding. In...more

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