Patent 9975750

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)

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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: Kubota North America Corporation, Kubota Tractor Corporation

Mixed: 1-18 unpatentable, 19-36 sustained
Filed
Nov 15, 2024
Last modified
Jun 30, 2026
Petitioner
Kubota North America Corporation et al.
Patent owner
Vermeer Manufacturing Company
Outcome
Final Written Decision
Claim outcome
Mixed: 1-18 unpatentable, 19-36 sustained

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 overview

One AIA trial proceeding is on file for US patent 9975750. This proceeding is IPR2025-00170, which currently has a status of "Final Written Decision" meaning it is concluded. The outcome of this proceeding will determine the defensive posture for a defendant.

IPR2025-00170 — Kubota North America Corporation et al. v. Vermeer Manufacturing Company

  • Type: Inter Partes Review
  • Filed: 2024-11-15
  • Status: Final Written Decision — the PTAB has issued its final decision on the patentability of the challenged claims.
  • Judge panel: Information not publicly available at this stage from the provided patent text.
  • Petition grounds: Information not publicly available at this stage from the provided patent text.
  • Institution decision: The status shows "Pending - Instituted" in the Google Patents link for IPR2025-00170, indicating that the PTAB decided to institute the IPR. The specific date of institution and the panel's reasoning are not available in the provided text.
  • Final Written Decision (if issued): The proceeding is currently listed with a "Final Written Decision" status, however, the detailed claim-level outcomes and reasoning are not provided in the prompt. To determine which claims were canceled, sustained, or held patentable, the full text of the Final Written Decision would need to be consulted.
  • Settlement / termination: Not applicable, as a Final Written Decision has been issued.
  • Appeal: Not explicitly stated in the provided information. Appeals of PTAB Final Written Decisions are made to the U.S. Court of Appeals for the Federal Circuit.
  • Defensive value: Without the detailed outcomes of the Final Written Decision, the specific defensive value is unclear. If claims were invalidated, it would significantly weaken any assertion built upon those claims. If claims were sustained, it would suggest the patent is more robust against IPR challenges on the grounds raised.

Strategic summary

The PTAB proceeding IPR2025-00170 has reached a "Final Written Decision" status regarding US patent 9975750. As the specific outcomes of this decision (i.e., which claims were canceled, sustained, or found patentable) are not provided in the available information, it is impossible to definitively categorize the claims of 9975750 as CANCELED, SUSTAINED, or UNTESTED based solely on this record. The Google Patents entry notes the IPR as "Pending - Instituted," which contradicts the "Final Written Decision" status provided in the "PTAB proceedings on file" section. Given the conflict, and preferring the structured data, the proceeding is considered to have a Final Written Decision.

The estoppel landscape, governed by 35 U.S.C. § 315(e)(2), would bar the petitioner (Kubota North America Corporation et al.) and their privies from challenging the patent on any ground that was raised or reasonably could have been raised in IPR2025-00170. Without knowing the specific prior art and statutory grounds asserted in the petition, it's impossible to determine which prior-art grounds are still available for other potential defendants. The information does not indicate any pattern of multiple IPRs by the same petitioner or details on patent owner appeals.

Recommended next steps

To understand the full defensive implications for a defendant facing assertion of US patent 9975750, the immediate next step is to locate and review the Final Written Decision for IPR2025-00170. This document will explicitly state the PTAB's findings on each challenged claim.

  1. Obtain the Final Written Decision: Search the USPTO PTAB Decisions database for IPR2025-00170. The decision will detail which claims, if any, were invalidated and which were confirmed as patentable.
  2. Review the Decision's Disposition: If any claims were invalidated, quote the disposition directly from the FWD, as this would mean any infringement theory built on those canceled claims is significantly weakened or entirely moot.
  3. Check for Federal Circuit Appeal: Investigate whether the Final Written Decision was appealed to the Federal Circuit. This would involve checking the Federal Circuit's docket or CourtListener for case IPR2025-00170. The outcome of any such appeal would further clarify the patent's validity.

Without the content of the Final Written Decision, it is not possible to determine which claims are canceled or sustained, or to provide specific links and quotes.

Generated 7/1/2026, 12:46:18 AM