Patent 9321386
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Active provider: Google · gemini-2.5-flash
PTAB activity (3)
AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.
- IPR2025-00169IPRfiled Nov 15, 2024vs. Kubota North America Corporation et al.Mixed: 50-54 unpatentable, 55-63, 68, 69, 80-85 sustained
- IPR2025-00168IPRfiled Nov 15, 2024vs. Kubota North America Corporation et al.Final Written Decision
- IPR2025-00167IPRfiled Nov 15, 2024vs. Kubota North America Corporation et al.Mixed: 1-13, 21, 22, 64, 65 unpatentable, 15, 17, 19, 20, 23-30, 66, 67 sustained
Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.
Cases on file (2)
Group view →Specific litigation cases in our database that name US patent 9321386. The free-form analysis below may also discuss cases beyond this list.
- Kubota North America Corporation et al. v. Vermeer Manufacturing Cofiled Jan 7, 2025IPR2025-00168Patent Trial and Appeal Board (PTAB)Pending - Instituted
Defendants: Vermeer Manufacturing Co
- 4:24-cv-00799Texas Northern District CourtLitigation
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
The following litigation involving US patent 9321386 is known as of April 26, 2026:
1. PTAB Case IPR2025-00168
- Plaintiff(s): Kubota North America Corporation and Kubota Tractor Corporation
- Defendant(s): Vermeer Manufacturing Co (patent owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-00168
- Filing Date: January 7, 2025
- Status: Pending - Instituted
2. PTAB Case IPR2025-00167
- Plaintiff(s): Kubota North America Corporation and Kubota Tractor Corporation
- Defendant(s): Vermeer Manufacturing Co (patent owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-00167
- Filing Date: January 7, 2025
- Status: Pending - Instituted
3. PTAB Case IPR2025-00169
- Plaintiff(s): Kubota North America Corporation and Kubota Tractor Corporation
- Defendant(s): Vermeer Manufacturing Co (patent owner)
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-00169
- Filing Date: January 7, 2025
- Status: Pending - Instituted
4. US Case filed in Texas Northern District Court
- Plaintiff(s): Not explicitly stated in the patent document.
- Defendant(s): Not explicitly stated in the patent document.
- Jurisdiction: Texas Northern District Court
- Case Number: 4:24-cv-00799
- Filing Date: Not explicitly stated in the patent document, but the case number suggests a 2024 filing.
- Status: Litigation
5. US Case filed in Iowa Southern District Court
- Plaintiff(s): Not explicitly stated in the patent document.
- Defendant(s): Not explicitly stated in the patent document.
- Jurisdiction: Iowa Southern District Court
- Case Number: 4:17-cv-00076
- Filing Date: Not explicitly stated in the patent document, but the case number suggests a 2017 filing.
- Status: Litigation
6. First Worldwide Family Litigation
- Plaintiff(s): Not explicitly stated in the patent document.
- Defendant(s): Not explicitly stated in the patent document.
- Jurisdiction: Not explicitly stated, but indicated as "First worldwide family litigation".
- Case Number: Not explicitly stated in the patent document.
- Filing Date: Not explicitly stated in the patent document.
- Status: Litigation
Generated 7/1/2026, 12:46:31 AM