- Filed
- Jul 9, 2025
- Last modified
- Dec 23, 2025
- Petitioner
- International Business Machines Corporation
- Inventor
- Mark S. O'Hare et al
Patent 9135456
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
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Proceedings on file (1)
All PTAB activity →AIA trial proceedings (IPR / PGR / CBM) filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced from the USPTO Open Data Portal and refreshed every six hours; each proceeding number deep-links to the PTAB E2E docket.
Current assignee: International Business Machines Corporation
PTAB challenges
AIA trial proceedings at the USPTO Patent Trial and Appeal Board — IPR, PGR, and CBM. Petitioners, judge panels, claim-level invalidation outcomes from Final Written Decisions, and Federal Circuit appeals. The single most important defensive datapoint after litigation history.
Proceedings overview
There is one AIA trial proceeding on file for US patent 9135456. The status of this proceeding is "Discretionary Denial," meaning no claims were invalidated or sustained. This gives a defendant a neutral defensive posture, as the patent claims have not been challenged on the merits in an AIA trial.
IPR2025-01202 — International Business Machines Corporation v. Security First Innovations LLC
- Type: Inter Partes Review
- Filed: 2025-07-09
- Status: Discretionary Denial - The PTAB declined to institute the IPR.
- Judge panel: Not publicly available at this stage.
- Petition grounds: Not publicly available due to discretionary denial. Typically, this would involve specific claims challenged under 35 U.S.C. §§ 102 (novelty) and/or 103 (obviousness) based on prior art.
- Institution decision: Denied - 2025-12-23. The panel's reasoning for discretionary denial would be outlined in the institution decision, but specific details are not available without direct access to the PTAB record. Common reasons for discretionary denial include inefficient use of Board resources, late-filed petitions, or parallel district court litigation considerations.
- Final Written Decision: Not issued, as institution was denied.
- Settlement / termination: Not applicable, as institution was denied.
- Appeal: No Federal Circuit appeal, as there was no Final Written Decision.
- Defensive value: The discretionary denial of this IPR means that the patent owner prevailed at the institution stage. While the claims were not tested on their merits, this outcome indicates that a similar IPR petition against this patent may face an uphill battle if the grounds for discretionary denial persist (e.g., if the petition was deemed redundant or strategically timed).
Strategic summary
As of the current date, no claims of US patent 9135456 have been canceled or sustained through AIA trial proceedings. The single IPR filed, IPR2025-01202, was denied institution on discretionary grounds, meaning the PTAB did not reach the merits of the patentability challenge. Therefore, all claims of US patent 9135456 remain untested and intact from the perspective of AIA trials.
The estoppel landscape is currently clear under 35 U.S.C. § 315(e)(2) for potential future petitioners, as no IPR reached a Final Written Decision. International Business Machines Corporation (and its privies) would be estopped from bringing the same or reasonably could have raised grounds in a future IPR. However, other potential defendants or petitioners are not currently estopped by this denial from challenging the patent on different grounds or even similar grounds if the discretionary basis for denial has changed or can be overcome.
There is no discernible pattern signal of multiple IPR filings by the same petitioner or aggressive PTAB appeals by the patent owner. The denial of institution in IPR2025-01202 prevents any insight into the patent owner's appeal strategy.
Recommended next steps
If facing assertion of US patent 9135456, a defendant should note that the patent has not been subjected to a merits-based review at the PTAB. While IPR2025-01202 was denied, the specific reasoning behind the discretionary denial would be crucial to understand for any potential new IPR filing. It is recommended to review the institution decision for IPR2025-01202 carefully to understand the PTAB's reasoning for the discretionary denial, as this will inform the viability and strategy for any future PTAB challenges.
Generated 5/19/2026, 6:46:17 PM