PTAB challenges

Proceedings overview

One AIA trial proceeding has been filed against US patent 10937880. This proceeding was terminated due to settlement, meaning no claims were invalidated or sustained by the PTAB. As the sole proceeding concluded with a settlement rather than a merits decision, the patent's claims remain untested by the PTAB, offering limited defensive hardening or vulnerability from this particular challenge.

IPR2025-01129 — GLOBALFOUNDRIES Inc. et al. v. Oak Ip LLC

• Type: Inter Partes Review
• Filed: 2025-06-11
• Status: Terminated-Settled. This indicates the parties resolved the matter outside of a full PTAB trial.
• Judge panel: Not publicly available due to termination before institution or final decision.
• Petition grounds: Specific claims challenged, prior art, and statutory bases (e.g., § 102, § 103, § 112) are not publicly available as the proceeding terminated prior to a full institution decision or final written decision.
• Institution decision: Not applicable; the proceeding was terminated-settled before a decision on institution was reached.
• Final Written Decision: Not issued due to the settlement and termination of the proceeding.
• Settlement / termination: The proceeding was last modified and terminated as settled on 2025-12-11. The specific terms of the settlement are confidential.
• Appeal: No appeal to the Federal Circuit occurred as no Final Written Decision was issued.
• Defensive value: This proceeding provides no PTAB-adjudicated claim invalidity or patentability findings. While it indicates the patent was asserted or challenged, the settlement means the claims of US10937880 remain untested by PTAB review. Any future IPR would need to establish its own grounds.

Strategic summary

All claims of US10937880 remain untested by PTAB adjudication. The single IPR proceeding, IPR2025-01129, was terminated as settled between GLOBALFOUNDRIES Inc. et al. and the patent owner, Oak Ip LLC, on 2025-12-11. This means there has been no decision on the merits regarding the patentability of any claims within US10937880. Consequently, no claims have been canceled or sustained by the PTAB through a Final Written Decision.

The estoppel landscape under § 315(e)(2) for IPR2025-01129 is limited. Since the proceeding terminated via settlement and not a Final Written Decision, the petitioner (GLOBALFOUNDRIES Inc. et al.) and its privies are not formally estopped from raising grounds that were raised or reasonably could have been raised, in the same way they would be following an FWD. However, specific settlement agreements often include covenants not to sue or challenge, which would bind the settling parties. For other potential defendants, all prior art grounds remain theoretically available for future PTAB challenges. There is no clear pattern signal from this single, settled proceeding regarding the patent owner's strategy beyond their willingness to settle.

Recommended next steps

The patent US10937880 currently has no claims invalidated by the PTAB. The existing IPR2025-01129 was terminated due to settlement. A defendant facing assertion of this patent should be aware that the claims have not been formally reviewed by the PTAB. If considering a new PTAB challenge, all prior art grounds against the claims of US10937880 are still available, assuming no privy relationship with the prior petitioner or specific terms of the IPR2025-01129 settlement agreement are implicated. The termination status for IPR2025-01129 can be viewed on the USPTO Open Data Portal.