Patent 11905896
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
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PTAB activity (1)
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.
- IPR2025-01228IPRfiled Jul 11, 2025vs. Generac Power Systems, Inc. et al.Discretionary Denial
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Cases on file (2)
Group view →Specific litigation cases in our database that name US patent 11905896. The free-form analysis below may also discuss cases beyond this list.
- Generac Power Systems, Inc., et al. v. Unknown Patent Ownerfiled Aug 19, 2025IPR2025-01228PTABNot Instituted - Procedural
- 2:24-cv-01281Wisconsin Eastern District CourtActive litigation
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Here is a list of known litigation involving US patent 11905896, based on the provided patent text as of April 26, 2026:
District Court Cases:
Jurisdiction: Wisconsin Eastern District Court
- Case Number: 2:24-cv-01281
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2024-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
Jurisdiction: California Central District Court
- Case Number: 2:24-cv-08722
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2024-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
Jurisdiction: Nevada District Court
- Case Number: 2:25-cv-00844
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2025-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
Jurisdiction: Wisconsin Eastern District Court
- Case Number: 2:24-cv-01302
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2024-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
Jurisdiction: Arizona District Court
- Case Number: 2:23-cv-02371
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2023-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
Jurisdiction: Nevada District Court
- Case Number: 3:25-cv-00239
- Filing Date: Not explicitly stated in the provided text, but the litigation event is listed as 2025-XX-XX.
- Status: Active litigation
- Plaintiff(s): Not explicitly stated in the provided text.
- Defendant(s): Not explicitly stated in the provided text.
PTAB Case:
- Case Number: IPR2025-01228
- Filing Date: Not explicitly stated in the provided text, but the legal event shows 2025-08-19 as the IPR filing date.
- Status: Not Instituted - Procedural
- Petitioner: Generac Power Systems, Inc., Harbor Freight Tools USA, Inc., MWE Investments, LLC, Generac Holdings, Inc., Harbor Freight Holdings, Inc., and MWE Equipment Sales, LLC
- Patent Owner: Not explicitly stated in the provided text.
Worldwide Family Litigation:
- First worldwide family litigation filed. Further specific details (plaintiff, defendant, jurisdiction, case number, filing date, outcome) for this worldwide litigation are not provided in the text.
Generated 5/20/2026, 12:46:07 AM