PTAB challenges

Proceedings overview

One AIA trial proceeding has been filed against US patent 10,379,539. This proceeding resulted in a discretionary denial of institution, meaning no claims were invalidated or sustained by a Final Written Decision. This gives a defendant a neutral-to-slightly-hardened defensive posture, as the patent claims have not been challenged on the merits through a full IPR trial, but the denial may offer insights into the Board's willingness to institute similar petitions.

IPR2025-01601 — Avidbots Corporation et al. v. Brain Corp

• Type: Inter Partes Review
• Filed: 2025-12-01
• Status: Discretionary Denial (The Board declined to institute the IPR based on discretionary factors, rather than a full review of the merits of the patentability challenge).
• Judge panel: The judge panel information is not publicly available from the search results for this specific status.
• Petition grounds: The specific claims challenged, prior art, and statutory bases (§ 102 / § 103 / § 112) for this petition are not publicly detailed in the available search snippets. A discretionary denial typically occurs before a detailed analysis of the merits, but after the claims and prior art have been presented in the petition.
• Institution decision: Denied. The petition was denied institution on 2026-05-07, with the status indicating a "Discretionary Denial - Procedural". The specific reasoning for this discretionary denial is not immediately apparent from the provided snippets but typically involves factors such as parallel district court litigation, settlement negotiations, or other considerations under Fintiv or similar Board precedent.
• Final Written Decision (if issued): Not applicable, as the petition was denied institution.
• Settlement / termination: Not applicable, as the petition was denied institution by the Board.
• Appeal: There is no public record of an appeal to the Federal Circuit for the denial of institution for IPR2025-01601.
• Defensive value: The discretionary denial means the patent claims were not reviewed on their merits in this IPR. For a defendant facing assertion of this patent, this particular proceeding does not provide a definitive judgment on validity. However, understanding the Board's specific reasoning for the discretionary denial (which would require reviewing the full institution decision) could inform future IPR strategy. The fact that the petition was denied means that the claims remain unchallenged by an FWD from this specific proceeding.

Strategic summary

All claims of US10379539 are currently untested by any Final Written Decision from an AIA trial proceeding. The single proceeding, IPR2025-01601, filed by Avidbots Corporation et al., was denied institution on discretionary grounds, specifically noted as "Procedural". This means that the merits of the patentability challenges raised in the petition were not fully adjudicated by the PTAB.

Regarding estoppel, since IPR2025-01601 was denied institution, no statutory estoppel under 35 U.S.C. § 315(e)(2) applies to Avidbots Corporation (or its privies) for the grounds presented in this petition. This is because estoppel typically only applies to claims and grounds that are actually instituted and reach a Final Written Decision. However, if Avidbots Corporation (or its privies) were to file another petition, they might face "serial petition" discretionary denial arguments from the Patent Owner or the Board, depending on the circumstances of the initial denial and any new grounds presented. All prior-art grounds remain theoretically available to a new petitioner, subject to the Board's discretion and rules regarding subsequent petitions.

There are no clear pattern signals of aggressive PTAB appeals by the patent owner or multiple IPRs from the same petitioner based on the single, denied proceeding. The Google Patents information notes "Petitioner: Unified Patents" in connection with IPR2025-01601, indicating that Unified Patents may have funded or supported the petition, which is a common strategy for defensive aggregators.

Recommended next steps

• Since IPR2025-01601 resulted in a discretionary denial of institution and no claims were invalidated, the patent 10,379,539 retains all its claims as granted, from the perspective of an AIA trial proceeding.
• A defendant should obtain and thoroughly review the Board's written decision denying institution for IPR2025-01601. This decision is crucial for understanding the specific "procedural" or "discretionary" reasons the Board declined to institute, as this can inform whether similar challenges would likely face the same fate. The decision can typically be found on the USPTO PTAB E2E system by searching for IPR2025-01601.
• Given the patent's claims have not been tested on the merits, a defendant facing assertion should consider a new IPR petition if viable prior art exists and the grounds for discretionary denial in IPR2025-01601 can be mitigated.