PTAB challenges

Proceedings overview

There is one AIA trial proceeding on file for US patent 11134316. This proceeding, IPR2025-01485, resulted in a discretionary denial of institution, meaning no claims were challenged on the merits. This status indicates the patent has survived an IPR attempt, which strengthens the patent owner's position against potential defendants.

IPR2025-01485 — TikTok Inc. v. Shopsee Inc.

• Type: Inter Partes Review
• Filed: 2025-09-03
• Status: Discretionary Denial (The PTAB declined to institute the IPR based on procedural grounds rather than a full review of the merits.)
• Judge panel: Information regarding the specific judge panel for a discretionary denial is not typically published in the same way as for instituted trials and final written decisions. A search for the judge panel did not yield publicly available information for this specific case at this stage.
• Petition grounds: A search for specific petition grounds (claims, art, statutory basis) for IPR2025-01485 was not successful in publicly available records, as the case was discretionarily denied before reaching a full institution decision.
• Institution decision: Denied on 2026-03-12. The status indicates a "Discretionary Denial - Procedural". Discretionary denials often occur when the PTAB exercises its discretion not to institute a review, for example, under NHK Spring or Fintiv factors, or other procedural considerations, without evaluating the merits of the prior art presented. Specific reasoning is not publicly detailed in the provided structured data or general search results for this denial.
• Final Written Decision (if issued): Not applicable, as the petition was denied institution.
• Settlement / termination: Not applicable, as the petition was denied institution.
• Appeal: A search for an appeal of IPR2025-01485 to the Federal Circuit did not yield any public records.
• Defensive value: The discretionary denial means that the claims of US11134316 were not subjected to a full PTAB review, and thus no claims were invalidated. This result favors the patent owner, making an IPR-based defense harder for other potential challengers using similar arguments or timing.

Strategic summary

All claims of US11134316 are currently UNTESTED on the merits through AIA trial proceedings. The single IPR filed, IPR2025-01485, was discretionarily denied institution. This means the Board did not reach the merits of the patentability challenges presented by TikTok Inc., and therefore, no claims were sustained or canceled as a result of this proceeding. The patent's claims remain intact from a PTAB perspective.

Regarding the estoppel landscape, since IPR2025-01485 was denied institution, § 315(e)(2) estoppel, which bars petitioners and their privies from raising grounds raised or reasonably could have raised, may not apply as broadly as in a case that proceeds to a final written decision. However, the specific reasoning for the discretionary denial (which is not publicly detailed) would be crucial in determining any potential estoppel effects on TikTok Inc. For other defendants, prior-art grounds are largely still available, as the patent claims have not been adjudicated for patentability by the PTAB.

The fact that TikTok Inc. filed an IPR, which was then discretionarily denied, indicates that at least one significant entity has attempted to challenge the patent. The "Discretionary Denial - Procedural" status suggests the denial was not based on the unpatentability of the claims, but rather on some other procedural or policy consideration by the Board. This outcome strengthens the patent owner's position as the patent has withstood an initial challenge without its claims being evaluated.

Recommended next steps

The IPR2025-01485 proceeding for US11134316 was denied institution. No active proceedings are currently pending that would lead to further trial-stage milestones. The absence of instituted PTAB activity means that the patent claims have not been formally challenged on their merits in an AIA trial. If you are a defendant facing assertion of this patent, it implies that you would need to conduct your own prior art search and analysis to determine potential invalidity grounds, as the PTAB has not yet provided any such findings.