PTAB challenges

Proceedings overview

One AIA trial proceeding has been filed against US patent 11368537. This proceeding is an Inter Partes Review (IPR) which was denied institution, leaving all claims of the patent unchallenged by this specific IPR. This outcome means the patent has survived an IPR challenge at the institution stage, potentially strengthening its defensive posture against future assertions.

IPR2025-01303 — Cisco Systems, Inc. v. Dynamic Mesh Networks Inc.

• Type: Inter Partes Review
• Filed: 2025-08-08
• Status: Institution Denied. This means the PTAB determined that the petitioner, Cisco Systems, Inc., did not demonstrate a reasonable likelihood that it would prevail with respect to at least one of the claims challenged in the petition, and therefore, a trial was not initiated.
• Judge panel: Information regarding the specific judge panel for this institution decision is not publicly available from the search results.
• Petition grounds: Details on which specific claims were challenged, the prior art cited, and the statutory bases (§ 102 / § 103 / § 112) for the petition are not publicly available from the search results at this time.
• Institution decision: Denied on 2026-04-08. The panel's reasoning for denying institution is not available in the provided snippets or a quick search for publicly accessible records.
• Final Written Decision: Not applicable, as institution was denied.
• Settlement / termination: Not applicable, as institution was denied.
• Appeal: Not applicable, as institution was denied.
• Defensive value: The denial of institution for IPR2025-01303 means that the challenged claims of US11368537 remain intact and were not subjected to a full IPR trial based on the arguments presented by Cisco Systems, Inc. An IPR-based defense using the same or substantially similar prior art and arguments as this petition will likely face similar scrutiny and may be challenging.

Strategic summary

All claims of US11368537 remain UNTESTED by a full IPR trial as IPR2025-01303 was denied institution. No claims have been canceled or sustained through an IPR Final Written Decision. Therefore, the patent owner currently holds all original claims of the patent.

Regarding estoppel, since institution was denied for IPR2025-01303, no statutory estoppel under 35 U.S.C. § 315(e)(2) applies. Cisco Systems, Inc., or its privies, would not be barred from raising the same grounds or any ground that it raised or reasonably could have raised in a later district court proceeding or before the Office. However, the Board's reasoning for denying institution, if made public, could offer insights into the strength of the patent claims against certain prior art arguments.

There is currently only one IPR proceeding identified against this patent, and it was denied institution. The petitioner was Cisco Systems, Inc. The patent information also indicates "Unified Patents PTAB Data" as a petitioner for IPR2025-01303, but the canonical list provided in the prompt states Cisco Systems, Inc., and the status as "Institution Denied". The initial Google Patents overview for the patent family also mentions Unified Patents and the IPR as "Pending - Instituted", which directly conflicts with the provided canonical ground truth of "Institution Denied" and "Cisco Systems, Inc." as petitioner. I will defer to the canonical ground truth provided in the prompt.

Recommended next steps

For a defendant currently facing assertion of US11368537, it is important to understand the specific reasons the PTAB denied institution for IPR2025-01303. Although the decision is not publicly available in detail from the immediate search results, obtaining the full institution decision (e.g., via the USPTO PTAB E2E system if publicly accessible) would be crucial to analyze the Board's reasoning and determine whether alternative prior art or different invalidity theories could be more successful in a new IPR petition or district court litigation. The claims of US11368537 remain in full force as they were not invalidated by this proceeding.

There are no active proceedings pending against this patent according to the provided data, as the sole IPR was denied institution.

Citation:
IPR2025-01303 — IPR — filed 2025-08-08 — last modified 2026-04-08 — status: Institution Denied — petitioner: Cisco Systems, Inc. — inventor: Francis DaCosta et al. (Provided in prompt)
US11368537B2 - High performance wireless network - Google Patents. https://patents.google.com/patent/US11368537/en