PTAB challenges

Proceedings overview

Two AIA trial proceedings are on file for US patent 11003191: one IPR is active with a "Trial Instituted" status, and the other IPR has been subject to a "Discretionary Denial." This gives a defendant a mixed defensive posture, with one challenge proceeding and another denied before merits.

IPR2026-00158 — Wybotics Inc. et al. v. Zodiac Pool Systems LLC

• Type: Inter Partes Review
• Filed: 2025-11-25
• Status: Trial Instituted. This means the PTAB has determined there is a reasonable likelihood that the petitioner would prevail with respect to at least one challenged claim, and a trial has been formally initiated.
• Judge panel: Not publicly available in the provided data.
• Petition grounds: Not publicly available in the provided data. Typically, IPRs challenge claims under 35 U.S.C. §§ 102 (novelty) and/or 103 (obviousness) based on patents and printed publications.
• Institution decision: Instituted. The specific reasoning for institution is not available, but generally, it indicates the PTAB found the petition demonstrated a reasonable likelihood of success on at least one challenged claim.
• Final Written Decision (if issued): Not yet issued, as the status is "Trial Instituted."
• Settlement / termination: Not terminated; currently active.
• Appeal: Not applicable yet, as no Final Written Decision has been issued.
• Defensive value: This active IPR indicates that at least some claims of US11003191 are currently under challenge and are facing a substantive review by the PTAB. The outcome of this proceeding could significantly impact the strength of the patent.

IPR2026-00202 — Beatbot Technology (USA) Co. Ltd. et al. v. Zodiac Pool Systems LLC

• Type: Inter Partes Review
• Filed: 2026-01-26
• Status: Discretionary Denial. This means the PTAB, or more recently the USPTO Director, has decided not to institute a trial, even if the merits threshold for institution might have been met. Discretionary denials can occur for various reasons, including parallel litigation, copycat petitions, or "settled expectations" based on the age of the patent or prior validity challenges.
• Judge panel: Not publicly available in the provided data. However, as of October 2025, the USPTO Director now decides whether to institute IPR and PGR trials.
• Petition grounds: Not publicly available in the provided data.
• Institution decision: Denied. The denial was discretionary. The specific reasoning for the discretionary denial is not available, but it falls under the Director's expanded use of such denials, potentially considering factors like the likelihood of a trial before a final written decision in parallel district court proceedings, the parties' investment in parallel proceedings, or the patent owner's "settled expectations" for the patent.
• Final Written Decision (if issued): Not issued, as institution was denied.
• Settlement / termination: Terminated by discretionary denial of institution.
• Appeal: Decisions to deny institution are generally considered "final and nonappealable" under 35 U.S.C. § 314(d), though exceptions for "colorable constitutional claims" exist.
• Defensive value: The discretionary denial of this IPR suggests that the patent owner successfully argued against the institution of a trial, likely based on procedural or policy grounds rather than a direct assessment of the patent's merits. This could be seen as a win for the patent owner, making it harder for this specific petitioner (and its privies) to challenge the patent again on the same or similar grounds.

Strategic summary

Currently, claims 1-3 of US11003191 have been subjected to IPR challenges. The IPR2026-00158 proceeding, filed by Wybotics Inc. et al., has been instituted, meaning the PTAB will proceed to a trial on the merits of the challenged claims. Conversely, the IPR2026-00202 proceeding, filed by Beatbot Technology (USA) Co. Ltd. et al., was met with a discretionary denial of institution. The specific claims challenged in each petition are not detailed in the provided information, so it's unclear which specific claims are "active" in the instituted IPR. Therefore, it is currently unknown which claims are canceled, sustained, or untested.

Regarding the estoppel landscape, 35 U.S.C. § 315(e)(2) generally bars a petitioner (and its privies) from asserting in a civil action or ITC proceeding that a claim is invalid on any ground that the petitioner raised or reasonably could have raised during an IPR that resulted in a final written decision. Since IPR2026-00202 was denied institution, estoppel would not apply to Beatbot Technology (USA) Co. Ltd. et al. for claims challenged in that petition. For Wybotics Inc. et al. in IPR2026-00158, if a Final Written Decision is issued, they would be estopped from re-raising grounds that were raised or reasonably could have been raised. However, the exact prior-art grounds available to other potential defendants would depend on what was actually raised and decided in IPR2026-00158.

The presence of two IPRs filed by different entities (Wybotics Inc. et al. and Beatbot Technology (USA) Co. Ltd. et al.) suggests that the patent is actively being asserted or is considered a potential threat by multiple parties. The discretionary denial in one case highlights the increasing importance of procedural arguments and the USPTO Director's discretion in instituting IPRs.

Recommended next steps

The IPR2026-00158 proceeding is currently in the "Trial Instituted" phase. This means a trial is ongoing, and a Final Written Decision (FWD) is expected within one year of institution. To gain a clearer understanding of the impact on claims 1-3, it is crucial to monitor the progress of IPR2026-00158 for key milestones, including the oral hearing (if scheduled) and, most importantly, the issuance of the Final Written Decision. The FWD will explicitly state which claims, if any, have been deemed unpatentable.

For IPR2026-00202, since institution was discretionarily denied, no FWD on the merits will be issued. While this denial is generally not appealable, it means the patent owner successfully defended against this particular challenge on procedural grounds.

If you are a defendant currently facing assertion of this patent, you should:

1. Closely follow IPR2026-00158: The outcome will directly affect the validity of the challenged claims. If claims are invalidated, any infringement theory relying on those claims would be significantly weakened or eliminated.
2. Review the petition for IPR2026-00158: Although the grounds are not provided here, accessing the petition (available through the USPTO PTAB E2E system) would reveal the specific prior art and arguments made against the patent. This information is critical for assessing your own defensive options.
3. Analyze the discretionary denial of IPR2026-00202: Understanding the specific reasons for the discretionary denial, if publicly available, could inform future defensive strategies against this patent, particularly regarding arguments for discretionary denial in subsequent challenges.