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Harbor Freight Tools USA, Inc. et al. v. Champion Power Equipment, Inc. - IPR2025-01463

Explore the PTAB proceeding IPR2025-01463 filed by Harbor Freight Tools USA, Inc. et al. against Champion Power Equipment, Inc. on Sep 19, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-01463
Filing Date
Sep 19, 2025
Petitioner
Harbor Freight Tools USA, Inc. et al.
Respondent
Champion Power Equipment, Inc.
Status
Pending
Respondent Application Number
17937046
Respondent Tech Center
3700
Respondent Patent Number
11840970

Decision Documents 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.

Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Patent Owners Brief in Support of Request for Discretionary Denial of Institution

Dec 1, 2025PAPERPATENT OWNER

Docket for Champion Power Equipment, Inc. v. Firman Power Equipment Inc., Case No. 23-cv-02371 (D. Az.) (Firman Case)

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Case Management Order, ECF No. 33

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, First Amended Complaint, ECF No. 24

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Firman Motion to Amend Invalidity Contentions, ECF No. 115

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Declaration and Exhibit, ECF No. 116

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Order Granting Leave to Amend, ECF No. 124

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Firman Nov 2024 Subpoena to third-party Generac

Dec 1, 2025EXHIBITPATENT OWNER

Generac Case, Generac First Amended Answer and Counterclaims, ECF No. 30

Dec 1, 2025EXHIBITPATENT OWNER

Defendant Generac Feb. 14, 2025 Subpoena to third-party Firman

Dec 1, 2025EXHIBITPATENT OWNER

Docket for Harbor Freight Case (C.D. Cal.)

Dec 1, 2025EXHIBITPATENT OWNER

Harbor Freight Case, Complaint for Declaratory Judgment, ECF No. 1

Dec 1, 2025EXHIBITPATENT OWNER

Harbor Freight Case, Champion Answer and Counterclaims, ECF No. 47

Dec 1, 2025EXHIBITPATENT OWNER

Harbor Freight Case, Harbor Freight Answer to Counterclaims, ECF No. 55

Dec 1, 2025EXHIBITPATENT OWNER

Harbor Freight Case, Joint R26 Report, ECF No. 38

Dec 1, 2025EXHIBITPATENT OWNER

Harbor Freight Mar. 10, 2025 Subpoena on third-party Firman

Dec 1, 2025EXHIBITPATENT OWNER

Generac Case, Complaint, ECF No. 1

Dec 1, 2025EXHIBITPATENT OWNER

Sept. 9, 2019 Letter from Champion to Firman

Dec 1, 2025EXHIBITPATENT OWNER

June 23, 2020 Letter from Champion to MWE

Dec 1, 2025EXHIBITPATENT OWNER

July 31, 2020 MWE Response Letter

Dec 1, 2025EXHIBITPATENT OWNER

Oct. 17, 2020 MWE Responsive Letter

Dec 1, 2025EXHIBITPATENT OWNER

July 7, 2020 Letter from Champion to Generac

Dec 1, 2025EXHIBITPATENT OWNER

July 31, 2020 Generac Response Letter

Dec 1, 2025EXHIBITPATENT OWNER

March 27, 2024 Letter from Champion to Harbor Freight

Dec 1, 2025EXHIBITPATENT OWNER

June 28, 2024 Letter from Champion to Harbor Freight

Dec 1, 2025EXHIBITPATENT OWNER

US4335697 (McLean)

Dec 1, 2025EXHIBITPATENT OWNER

Docket Navigator - Time to Milestones for D. Az. (Trial)

Dec 1, 2025EXHIBITPATENT OWNER

Docket Navigator - Time to Milestones for E.D. Wis. (Trial)

Dec 1, 2025EXHIBITPATENT OWNER

US7905469 (Nickels)

Dec 1, 2025EXHIBITPATENT OWNER

MWE Case, Complaint, ECF No. 1

Dec 1, 2025EXHIBITPATENT OWNER

Champion Patent Statement and Licensing Declaration Form, July 1, 2021

Dec 1, 2025EXHIBITPATENT OWNER

Firman August 30, 2024 Invalidity Contentions

Dec 1, 2025EXHIBITPATENT OWNER

US Pub No. 20020134362 (Deutsch)

Dec 1, 2025EXHIBITPATENT OWNER

Champion September 26, 2014 Internal Email

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Champion Motion to Amend Infringement Contentions, ECF No. 198

Dec 1, 2025EXHIBITPATENT OWNER

Generac Case, Exhibit 3 – webpage, ECF No. 30-03

Dec 1, 2025EXHIBITPATENT OWNER

Wayback Machine, http://pgmaonline.com/members.asp, dated July 29, 2013

Dec 1, 2025EXHIBITPATENT OWNER

Firman Case, Order, ECF No. 141

Dec 1, 2025EXHIBITPATENT OWNER

Generac April 23, 2025 Responses to Plaintiff First Set of Interrogatories

Dec 1, 2025EXHIBITPATENT OWNER

Screenshots from Honda EU20i LPG video, https://www.youtube.com/watch?v=yBpq33aJmR0

Dec 1, 2025EXHIBITPATENT OWNER

YouTube Video, HONDA EU20i LPG, https://www.youtube.com/watch?v=yBpq33aJmR0

Dec 1, 2025EXHIBITPATENT OWNER

August 29, 2025 Stipulation from MWE

Dec 1, 2025EXHIBITPATENT OWNER

August 29, 2025 Stipulation from Harbor Freight

Dec 1, 2025EXHIBITPATENT OWNER

September 2, 2025 Stipulation from Generac

Dec 1, 2025EXHIBITPATENT OWNER

US10221780 (the 780 Patent)

Dec 1, 2025EXHIBITPATENT OWNER

US9435273 (the 273 Patent)

Dec 1, 2025EXHIBITPATENT OWNER

File History of U.S. Patent No. 10221780 (Part 1)

Dec 1, 2025EXHIBITPATENT OWNER

File History of U.S. Patent No. 10221780 (Part 2)

Dec 1, 2025EXHIBITPATENT OWNER

Generac Case, Affidavit of Service, ECF No. 4

Dec 1, 2025EXHIBITPATENT OWNER

US20070137591 (Sugimoto)

Dec 1, 2025EXHIBITPATENT OWNER

US2722208 (Conroy)

Dec 1, 2025EXHIBITPATENT OWNER

Generac Case, Amended Scheduling Order, ECF No. 59

Dec 1, 2025EXHIBITPATENT OWNER

Screenshots from Yamaha EF2000iS Tri Fuel Conversion video, https://www.youtube.com/watch?v=caZawwDaRQg

Dec 1, 2025EXHIBITPATENT OWNER

Youtube Video, Yamaha EF2000iS Tri Fuel Conversion, https://www.youtube.com/watch?v=caZawwDaRQg

Dec 1, 2025EXHIBITPATENT OWNER

US7954479 (Kojima)

Dec 1, 2025EXHIBITPATENT OWNER

Wayback Machine, http://gashosesandregulators.com/, dated May 17, 2014

Dec 1, 2025EXHIBITPATENT OWNER

File History of U.S. Patent No. 11492985

Dec 1, 2025EXHIBITPATENT OWNER

File History of U.S. Patent No. 11,530,654 (Part 1)

Dec 1, 2025EXHIBITPATENT OWNER

File History of U.S. Patent No. 11,530,654 (Part 2)

Dec 1, 2025EXHIBITPATENT OWNER

Patent Owners Updated Mandatory Notices

Dec 1, 2025PAPERPATENT OWNER

Patent Owners Notice of Intent to Designate Scott P. Amy, a Provisionally Recognized PTAB Attorney, as Backup Counsel

Nov 10, 2025PAPERPATENT OWNER

Declaration of Scott P. Amy in Support of Patent Owners Notice of Intent to Designate a Provisionally Recognized PTAB Attorney as Backup Counsel

Nov 10, 2025EXHIBITPATENT OWNER

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE

Oct 2, 2025PAPERBOARD

Notice: Power of Attorney

Oct 2, 2025PAPERPATENT OWNER

Notice: Mandatory Notice

Oct 2, 2025PAPERPATENT OWNER

U.S Patent No. 11,840,970 to Sarder et al. (the ’970 Patent)

Sep 19, 2025EXHIBITPETITIONER

DuroMax XP4400EH Operator’s Manual (DuroMax)

Sep 19, 2025EXHIBITPETITIONER

U.S. Patent No. 5,718,265 to Elsdon (Elsdon)

Sep 19, 2025EXHIBITPETITIONER

U.S. Patent No. 4,492,207 to Hallberg (Hallberg)

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 1

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 2

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 3

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 4

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 5

Sep 19, 2025EXHIBITPETITIONER

Tri-Fuel YouTube Video (https://www.youtube.com/watch?v=DpknaAPTQ9U) Part 6

Sep 19, 2025EXHIBITPETITIONER

Indian Patent No. 207333 (Chaudhari) (certified)

Sep 19, 2025EXHIBITPETITIONER

American Heritage Dictionary of the English Language 3d ed. 1996 excerpted

Sep 19, 2025EXHIBITPETITIONER

U.S. Patent Publication No. 2011/0100335 (“Parlatore”)

Sep 19, 2025EXHIBITPETITIONER

Champion’s Claim Construction Brief CV-23-2371-PHX-DWL

Sep 19, 2025EXHIBITPETITIONER

Declaration of David Raskin

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 1)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 2)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 3)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 4)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 5)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 6)

Sep 19, 2025EXHIBITPETITIONER

https://www.youtube.com/watch?v=Ip7ckWAZ3xQ (Part 7)

Sep 19, 2025EXHIBITPETITIONER

Declaration of Mr. John Ley re Tri-Fuel Video

Sep 19, 2025EXHIBITPETITIONER

Declaration of Mr. Jared Bennett re Tri-Fuel Video

Sep 19, 2025EXHIBITPETITIONER

2-Stage Regulator Assembly (“2-Stage Assembly”) with WayBack Machine cert.

Sep 19, 2025EXHIBITPETITIONER

LP-Gas Code Handbook, Eighth Edition, Lemoff, Theodore C., (2008)

Sep 19, 2025EXHIBITPETITIONER

Champion's Infringement Contentions with Respect to Model 70143 Generator

Sep 19, 2025EXHIBITPETITIONER

Application Details for Indian Patent No. 207333 (Chaudhari)

Sep 19, 2025EXHIBITPETITIONER

Excerpts of File History for U.S. Patent No. 10,221,780 (’780 File History)

Sep 19, 2025EXHIBITPETITIONER

U.S. Patent Pub. No. 2014/0239645 (Jungmann)

Sep 19, 2025EXHIBITPETITIONER

'970 Patent file history

Sep 19, 2025EXHIBITPETITIONER

Petitioner MWE Investments, LLC Power of Attorney

Sep 19, 2025PAPERPETITIONER

Petitioner Harbor Freight's Power of Attorney

Sep 19, 2025PAPERPETITIONER

U.S. Patent Pub. No. 2014/0202430 (Monros)

Sep 19, 2025EXHIBITPETITIONER

U.S. Patent No. 5,172,723 (Sturgis)

Sep 19, 2025EXHIBITPETITIONER

Weber Summit Gas Grill, Natural Gas Grill Owner’s Guide (Feb. 28, 2011)

Sep 19, 2025EXHIBITPETITIONER

Char-Broil Natural Gas Conversion Kit Model #4984619 (September 29, 2007)

Sep 19, 2025EXHIBITPETITIONER

Petitioner Generac Power Systems. Inc. Power of Attorney

Sep 19, 2025PAPERPETITIONER

U.S. Patent No. 8,517,718 (Deng)

Sep 19, 2025EXHIBITPETITIONER

Declaration Of Timothy Morse

Sep 19, 2025EXHIBITPETITIONER

Petition For Inter Parties Review

Sep 19, 2025PAPERPETITIONER