Patent 11905895
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.
- IPR2025-01384IPRfiled Aug 20, 2025vs. MWE Investments, LLC et al.Discretionary Denial
Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.
Cases on file (7)
Group view →Specific litigation cases in our database that name US patent 11905895. The free-form analysis below may also discuss cases beyond this list.
- Champion Power Equipment Inc. v. Harbor Freight Tools USA Inc.filed Oct 14, 20242:24-cv-01302Wisconsin Eastern District CourtOngoing
Defendants: Harbor Freight Tools USA Inc.
- Champion Power Equipment, Inc. v. Generac Power Systems, Inc.filed Oct 9, 20242:24-cv-01281Wisconsin Eastern District CourtOngoing
Defendants: Generac Power Systems, Inc.
- Harbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.filed Oct 9, 20242:24-cv-08722California Central District CourtOngoing
Defendants: Champion Power Equipment, Inc.
- 2:23-cv-02371Arizona District CourtOngoing
Defendants: Firman Power Equipment Incorporated
- IPR2025-01384Patent Trial and Appeal Board (PTAB)Not Instituted
Defendants: Champion Power Equipment, Inc.
- 3:25-cv-00239Nevada District CourtOngoing
- 2:25-cv-00844Nevada District Courtterminated Dec 30, 2025Dismissed
Defendants: MWE Investments, LLC
Litigation summary
Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.
Known litigation involving US patent 11905895 is as follows:
Case: IPR2025-01384
- Plaintiff(s)/Petitioner(s): Generac Power Systems, Inc. (and potentially Unified Patents Inc.)
- Defendant(s)/Patent Owner: Champion Power Equipment, Inc.
- Jurisdiction: Patent Trial and Appeal Board (PTAB)
- Case Number: IPR2025-01384
- Filing Date: 2025 (implied by case number)
- Outcome or Current Status: Not Instituted - Procedural
Case: Champion Power Equipment Inc. v. Harbor Freight Tools USA Inc.
- Plaintiff(s): Champion Power Equipment Inc.
- Defendant(s): Harbor Freight Tools USA Inc.
- Jurisdiction: Wisconsin Eastern District Court
- Case Number: 2:24-cv-01302
- Filing Date: October 14, 2024
- Outcome or Current Status: Ongoing, as indicated by a pending motion to dismiss or transfer.
Case: Champion Power Equipment, Inc. v. Generac Power Systems, Inc.
- Plaintiff(s): Champion Power Equipment, Inc.
- Defendant(s): Generac Power Systems, Inc.
- Jurisdiction: Wisconsin Eastern District Court
- Case Number: 2:24-cv-01281
- Filing Date: October 9, 2024
- Outcome or Current Status: Ongoing litigation.
Case: Not specified (re: Nevada District Court case)
- Plaintiff(s): Not specified in the provided information.
- Defendant(s): Not specified in the provided information.
- Jurisdiction: Nevada District Court
- Case Number: 3:25-cv-00239
- Filing Date: 2025 (implied by case number); specific date not specified.
- Outcome or Current Status: Ongoing (implied by case number and lack of a stated resolution).
Case: Champion Power Equipment, Inc. v. MWE Investments, LLC (the "MWE Litigation")
- Plaintiff(s): Champion Power Equipment, Inc.
- Defendant(s): MWE Investments, LLC
- Jurisdiction: Nevada District Court
- Case Number: 2:25-cv-00844
- Filing Date: 2025 (implied by case number); specific date not specified, but complaint was dismissed on December 30, 2025.
- Outcome or Current Status: Dismissed with prejudice on December 30, 2025.
Case: Harbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.
- Plaintiff(s): Harbor Freight Tools USA, Inc.
- Defendant(s): Champion Power Equipment, Inc.
- Jurisdiction: California Central District Court
- Case Number: 2:24-cv-08722
- Filing Date: October 9, 2024
- Outcome or Current Status: Ongoing, with discovery in progress and motions pending.
Case: Champion Power Equipment Incorporated v. Firman Power Equipment Incorporated
- Plaintiff(s): Champion Power Equipment Incorporated
- Defendant(s): Firman Power Equipment Incorporated
- Jurisdiction: Arizona District Court
- Case Number: 2:23-cv-02371
- Filing Date: November 10, 2023
- Outcome or Current Status: Ongoing patent infringement action, with various motions and discovery disputes.
Generated 5/22/2026, 6:49:15 AM