Patent 11840970

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.

  • IPR2025-01463IPRfiled Sep 19, 2025vs. Harbor Freight Tools USA, Inc. 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 (3)

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Specific litigation cases in our database that name US patent 11840970. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

As a patent attorney, I can report the following known litigation involving U.S. Patent No. 11,840,970 based on currently available information.

District Court Litigation

1. Harbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc.

  • Plaintiff: Harbor Freight Tools USA, Inc.
  • Defendant: Champion Power Equipment, Inc.
  • Jurisdiction: U.S. District Court for the Central District of California
  • Case Number: 2:24-cv-08722
  • Filing Date: Information not publicly available.
  • Outcome or Current Status: Active. Champion Power Equipment has asserted that U.S. Patent No. 11,840,970 is infringed by Harbor Freight Tools. A notice of a subpoena related to this case also lists the '970 patent among the "Patents-in-Suit".

2. Champion Power Equipment Inc. v. Harbor Freight Tools USA Inc.

  • Plaintiff: Champion Power Equipment Inc.
  • Defendant: Harbor Freight Tools USA Inc.
  • Jurisdiction: U.S. District Court for the Eastern District of Wisconsin
  • Case Number: 2:24-cv-01302
  • Filing Date: October 14, 2024.
  • Outcome or Current Status: This case was dismissed on "first-to-file" grounds, indicating that the dispute between the parties concerning the patents at issue is proceeding in the Central District of California.

3. Champion Power Equipment Incorporated v. Firman Power Equipment Incorporated

  • Plaintiff: Champion Power Equipment Incorporated
  • Defendant: Firman Power Equipment Incorporated
  • Jurisdiction: U.S. District Court for the District of Arizona
  • Case Number: 2:23-cv-02371
  • Filing Date: Information not publicly available.
  • Outcome or Current Status: Active. Documents related to an Inter Partes Review (IPR) for the '970 patent reference this district court case, indicating it is related to the patent.

Patent Trial and Appeal Board (PTAB) Proceedings

1. Harbor Freight Tools USA Inc. v. Champion Power Equipment Inc.

It is important to note that litigation is a dynamic process, and the status of these cases can change. The information provided is based on the data available as of the current date.

Generated 5/13/2026, 6:48:20 PM