5 known cases. View patent page →
An Inter Partes Review (IPR) petition was filed by MWE Investments LLC against Champion Power Equipment Inc. concerning patent 11530654. The PTAB did not institute the review for procedural reasons.
Champion Power Equipment Inc. filed a lawsuit against Firman Power Equipment Inc., which is currently pending. The case, referred to as "Champion Litigation," involves invalidity contentions and ongoing discovery.
Harbor Freight Tools USA, Inc. filed a case against Champion Power Equipment, Inc., which is ongoing. The plaintiff has filed a stipulation regarding invalidity grounds for US patent 11530654 and other unnamed patents.
Champion Power Equipment Inc. sued Generac Power Systems Inc. in the Eastern District of Wisconsin. The case is ongoing and involves allegations that Generac products infringe Champion's patents, including 11530654.
A litigation case, docketed as 2:24-cv-01302, is active in the Eastern District of Wisconsin. Specific parties involved in this litigation are not detailed in the provided search results.