7 known cases. View patent page →
An Inter Partes Review (IPR) petition filed by Generac Power Systems, Inc. (and potentially Unified Patents Inc.) against Champion Power Equipment, Inc. before the PTAB, which was not instituted due to procedural reasons.
A patent infringement case filed by Champion Power Equipment Inc. against Harbor Freight Tools USA Inc. in the Wisconsin Eastern District Court, currently ongoing with a pending motion to dismiss or transfer.
Ongoing litigation initiated by Champion Power Equipment, Inc. against Generac Power Systems, Inc. in the Wisconsin Eastern District Court.
An ongoing case in the Nevada District Court, identified by docket number 3:25-cv-00239, for which specific plaintiff and defendant names are not provided.
A case filed by Champion Power Equipment, Inc. against MWE Investments, LLC in the Nevada District Court, which was dismissed with prejudice on December 30, 2025.
A case filed by Harbor Freight Tools USA, Inc. against Champion Power Equipment, Inc. in the California Central District Court, which is ongoing with discovery in progress and motions pending.
An ongoing patent infringement action initiated by Champion Power Equipment Incorporated against Firman Power Equipment Incorporated in the Arizona District Court, involving various motions and discovery disputes.