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Harbor Freight Tools USA, Inc. et al. vs Champion Power Equipment, Inc. - IPR2025-01121

Explore the PTAB proceeding IPR2025-01121 filed by Harbor Freight Tools USA, Inc. et al. against Champion Power Equipment, Inc. on Jun 23, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number: IPR2025-01121
Filing Date: Jun 23, 2025
Petitioner: Harbor Freight Tools USA, Inc. et al.
Respondent: Champion Power Equipment, Inc.
Status: Pending
Respondent Application Number: 16946439
Respondent Tech Center: 3700
Respondent Patent Number: 11143120

Proceeding Decision New

Decision pending - set alert to receive updates

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.

Show Exhibit Documents

Document Name	Filing Date	Category	Filing Party
Alert me when new update on this case
Docket for Champion Power Equipment, Inc. v. Firman Power Equipment Inc., Case No. 23-cv-02371 (D. Az.) (Firman Case)	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, Case Management Order, ECF No. 33	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, First Amended Complaint, ECF No. 24	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, Firman Motion to Amend Invalidity Contentions, ECF No. 115	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, Declaration and Exhibit, ECF No. 116	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, Order Granting Leave to Amend, ECF No. 124	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman Case, Firman Nov 2024 Subpoena to third-party Generac	Sep 10, 2025	EXHIBIT	PATENT OWNER
Generac Case, Generac First Amended Answer and Counterclaims, ECF No. 30	Sep 10, 2025	EXHIBIT	PATENT OWNER
Defendant Generac Feb. 14, 2025 Subpoena to third-party Firman	Sep 10, 2025	EXHIBIT	PATENT OWNER
Docket for Harbor Freight Case (C.D. Cal.)	Sep 10, 2025	EXHIBIT	PATENT OWNER
Harbor Freight Case, Complaint for Declaratory Judgment, ECF No. 1	Sep 10, 2025	EXHIBIT	PATENT OWNER
Harbor Freight Case, Champion Answer and Counterclaims, ECF No. 47	Sep 10, 2025	EXHIBIT	PATENT OWNER
Harbor Freight Case, Harbor Freight Answer to Counterclaims, ECF No. 55	Sep 10, 2025	EXHIBIT	PATENT OWNER
Harbor Freight Case, Joint R26 Report, ECF No. 38	Sep 10, 2025	EXHIBIT	PATENT OWNER
Harbor Freight Mar. 10, 2025 Subpoena on third-party Firman	Sep 10, 2025	EXHIBIT	PATENT OWNER
Generac Case, Complaint, ECF No. 1	Sep 10, 2025	EXHIBIT	PATENT OWNER
Sept. 9, 2019 Letter from Champion to Firman	Sep 10, 2025	EXHIBIT	PATENT OWNER
June 23, 2020 Letter from Champion to MWE	Sep 10, 2025	EXHIBIT	PATENT OWNER
July 31, 2020 MWE Response Letter	Sep 10, 2025	EXHIBIT	PATENT OWNER
Oct. 17, 2020 MWE Responsive Letter	Sep 10, 2025	EXHIBIT	PATENT OWNER
July 7, 2020 Letter from Champion to Generac	Sep 10, 2025	EXHIBIT	PATENT OWNER
July 31, 2020 Generac Response Letter	Sep 10, 2025	EXHIBIT	PATENT OWNER
March 27, 2024 Letter from Champion to Harbor Freight	Sep 10, 2025	EXHIBIT	PATENT OWNER
June 28, 2024 Letter from Champion to Harbor Freight	Sep 10, 2025	EXHIBIT	PATENT OWNER
US4335697 (McLean)	Sep 10, 2025	EXHIBIT	PATENT OWNER
Kubota DF-972 Information Sheet	Sep 10, 2025	EXHIBIT	PATENT OWNER
Docket Navigator - Time to Milestones for D. Az. (Trial)	Sep 10, 2025	EXHIBIT	PATENT OWNER
Docket Navigator - Time to Milestones for E.D. Wis. (Trial)	Sep 10, 2025	EXHIBIT	PATENT OWNER
US7905469 (Nickels)	Sep 10, 2025	EXHIBIT	PATENT OWNER
Generac Case, Order Following Scheduling Conference, ECF No. 29	Sep 10, 2025	EXHIBIT	PATENT OWNER
MWE Case, Complaint, ECF No. 1	Sep 10, 2025	EXHIBIT	PATENT OWNER
Champion Patent Statement and Licensing Declaration Form, July 1, 2021	Sep 10, 2025	EXHIBIT	PATENT OWNER
Firman August 30, 2024 Invalidity Contentions	Sep 10, 2025	EXHIBIT	PATENT OWNER
US5809979 (Kubota Patent)	Sep 10, 2025	EXHIBIT	PATENT OWNER
August 15, 2025 Stipulation from MWE	Sep 10, 2025	EXHIBIT	PATENT OWNER
Generac Case, Exhibit 3 – webpage, ECF No. 30-03	Sep 10, 2025	EXHIBIT	PATENT OWNER
Wayback Machine, http://pgmaonline.com/members.asp, dated July 29, 2013	Sep 10, 2025	EXHIBIT	PATENT OWNER
Screenshots from Honda EU20i LPG video, https://www.youtube.com/watch?v=yBpq33aJmR0	Sep 10, 2025	EXHIBIT	PATENT OWNER
YouTube Video, HONDA EU20i LPG, https://www.youtube.com/watch?v=yBpq33aJmR0	Sep 10, 2025	EXHIBIT	PATENT OWNER
US3384059 (Kopa)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent App. No. 14925441 (Part 1)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent App. No. 14925441 (Part 2)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent App. No. 14925441 (Part 3)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent App. No. 14925441 (Part 4)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent App. No. 14925441 (Part 5)	Sep 10, 2025	EXHIBIT	PATENT OWNER
August 29, 2025 Stipulation from MWE	Sep 10, 2025	EXHIBIT	PATENT OWNER
August 29, 2025 Stipulation from Harbor Freight	Sep 10, 2025	EXHIBIT	PATENT OWNER
September 2, 2025 Stipulation from Generac	Sep 10, 2025	EXHIBIT	PATENT OWNER
US10221780 (the 780 Patent)	Sep 10, 2025	EXHIBIT	PATENT OWNER
US9435273 (the 273 Patent)	Sep 10, 2025	EXHIBIT	PATENT OWNER
August 13, 2025 Stipulation from Generac	Sep 10, 2025	EXHIBIT	PATENT OWNER
August 7, 2025 Stipulation from Harbor Freight	Sep 10, 2025	EXHIBIT	PATENT OWNER
EP1826377 (Thome)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent No. 10393034 (Part 1)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent No. 10393034 (Part 2)	Sep 10, 2025	EXHIBIT	PATENT OWNER
File History of U.S. Patent No. 10221780	Sep 10, 2025	EXHIBIT	PATENT OWNER
Generac Case, Affidavit of Service, ECF No. 4	Sep 10, 2025	EXHIBIT	PATENT OWNER
Patent Owner Brief in Support of Request for Discretionary Denial of Institution	Sep 10, 2025	PAPER	PATENT OWNER
Ex. 3001	Sep 2, 2025	EXHIBIT	BOARD
Patent Owner's Unopposed Motion to Withdraw and Substitute Counsel	Aug 28, 2025	PAPER	PATENT OWNER
Patent Owner's Amended Power of Attorney	Aug 22, 2025	PAPER	PATENT OWNER
Patent Owner's Amended Mandatory Notices	Aug 22, 2025	PAPER	PATENT OWNER
Notice: Mandatory Notice	Jul 14, 2025	PAPER	PATENT OWNER
Notice: Power of Attorney	Jul 14, 2025	PAPER	PATENT OWNER
Notice: Notice filing date accorded	Jul 10, 2025	PAPER	BOARD
U.S Patent No. 11,143,120 (the ’120 Patent)	Jun 23, 2025	EXHIBIT	PETITIONER
File History for U.S. Patent No. 11,143,120 (the 120 File History)	Jun 23, 2025	EXHIBIT	PETITIONER
JPS61283734A (Original) (Nakafushi)	Jun 23, 2025	EXHIBIT	PETITIONER
Certified Translation of JPS61283734A (Nakafushi)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 5,301,644 (Olmr)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No 1,931,698 (Holzapfel)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent Pub. No. 2011/0100335A1 (Parlatore)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent Pub. No. 2014/0239645 (Jungmann)	Jun 23, 2025	EXHIBIT	PETITIONER
Kubota DF972-E2 Workshop Manual (Workshop Manual)	Jun 23, 2025	EXHIBIT	PETITIONER
Kubota DF972-E2 Operator's Manual (Operator’s Manual)	Jun 23, 2025	EXHIBIT	PETITIONER
Declaration from Mr. James Strepek re Kubota Manuals	Jun 23, 2025	EXHIBIT	PETITIONER
Declaration from Mr. Scott Schlabach re Kubota Manuals	Jun 23, 2025	EXHIBIT	PETITIONER
JPH1182083A (Original) (Imamura)	Jun 23, 2025	EXHIBIT	PETITIONER
Certified Translation of JPH1182083A (Imamura)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No 7,165,536 (Kirk)	Jun 23, 2025	EXHIBIT	PETITIONER
Petitioner Harbor Freight Tools USA Inc. Power of Attorney	Jun 23, 2025	PAPER	PETITIONER
Oxford Dictionary of Mechanical Engineering Tony Atkins & Marcel Escudier	Jun 23, 2025	EXHIBIT	PETITIONER
Small Engine Technology, 2d. Edition Schuster, William A, (1999) (Schuster)	Jun 23, 2025	EXHIBIT	PETITIONER
Auto Fuel Systems The Goodheart-Willcox Company. Duffy and Smith (1987)	Jun 23, 2025	EXHIBIT	PETITIONER
DuroMax Manual Next Generation Power Systems	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 9,175,601 (Markoski)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 1,679,159 (French)	Jun 23, 2025	EXHIBIT	PETITIONER
U.S. Patent No. 4,065,096 (“Frantz”)	Jun 23, 2025	EXHIBIT	PETITIONER
McGraw-Hill Dictionary of Scientific and Technical Terms Fifth Edition 1994	Jun 23, 2025	EXHIBIT	PETITIONER
Petitioner Generac Power Systems, Inc. Power of Attorney	Jun 23, 2025	PAPER	PETITIONER
Petitioner MWE Investments, LLC. Power of Attorney	Jun 23, 2025	PAPER	PETITIONER
Declaration of Dr. Timothy Morse	Jun 23, 2025	EXHIBIT	PETITIONER
Petition For Inter Parties Review	Jun 23, 2025	PAPER	PETITIONER