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Harbor Freight Tools USA, Inc. et al. v. Champion Power Equipment, Inc. - IPR2025-01271

Explore the PTAB proceeding IPR2025-01271 filed by Harbor Freight Tools USA, Inc. et al. against Champion Power Equipment, Inc. on Sep 3, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-01271
Filing Date
Sep 3, 2025
Petitioner
Harbor Freight Tools USA, Inc. et al.
Respondent
Champion Power Equipment, Inc.
Status
Pending
Respondent Application Number
14925441
Respondent Tech Center
3700
Respondent Patent Number
10697398

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

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

Nov 17, 2025PAPERPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

Firman Case, Case Management Order, ECF No. 33

Nov 17, 2025EXHIBITPATENT OWNER

Firman Case, First Amended Complaint, ECF No. 24

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

Firman Case, Declaration and Exhibit, ECF No. 116

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

Generac Case, Complaint, ECF No. 1

Nov 17, 2025EXHIBITPATENT OWNER

Sept. 9, 2019 Letter from Champion to Firman

Nov 17, 2025EXHIBITPATENT OWNER

June 23, 2020 Letter from Champion to MWE

Nov 17, 2025EXHIBITPATENT OWNER

July 31, 2020 MWE Response Letter

Nov 17, 2025EXHIBITPATENT OWNER

Oct. 17, 2020 MWE Responsive Letter

Nov 17, 2025EXHIBITPATENT OWNER

July 7, 2020 Letter from Champion to Generac

Nov 17, 2025EXHIBITPATENT OWNER

July 31, 2020 Generac Response Letter

Nov 17, 2025EXHIBITPATENT OWNER

March 27, 2024 Letter from Champion to Harbor Freight

Nov 17, 2025EXHIBITPATENT OWNER

June 28, 2024 Letter from Champion to Harbor Freight

Nov 17, 2025EXHIBITPATENT OWNER

Kubota DF-972 Information Sheet

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

MWE Case, Complaint, ECF No. 1

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

Firman’s August 30, 2024 Invalidity Contentions

Nov 17, 2025EXHIBITPATENT OWNER

US5809979 (Kubota Patent)

Nov 17, 2025EXHIBITPATENT OWNER

Champion September 26, 2014 Internal Email

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

Firman Case, Order, ECF No. 141

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

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

Nov 17, 2025EXHIBITPATENT OWNER

US3384059 (Kopa)

Nov 17, 2025EXHIBITPATENT OWNER

File History of U.S. Patent App. No. 14925441 (Part 1)

Nov 17, 2025EXHIBITPATENT OWNER

File History of U.S. Patent App. No. 14925441 (Part 2)

Nov 17, 2025EXHIBITPATENT OWNER

File History of U.S. Patent App. No. 14925441 (Part 3)

Nov 17, 2025EXHIBITPATENT OWNER

File History of U.S. Patent App. No. 14925441 (Part 4)

Nov 17, 2025EXHIBITPATENT OWNER

File History of U.S. Patent App. No. 14925441 (Part 5)

Nov 17, 2025EXHIBITPATENT OWNER

August 29, 2025 Stipulation from MWE

Nov 17, 2025EXHIBITPATENT OWNER

August 29, 2025 Stipulation from Harbor Freight

Nov 17, 2025EXHIBITPATENT OWNER

September 2, 2025 Stipulation from Generac

Nov 17, 2025EXHIBITPATENT OWNER

US10221780 (the 780 Patent)

Nov 17, 2025EXHIBITPATENT OWNER

US9435273 (the 273 Patent)

Nov 17, 2025EXHIBITPATENT OWNER

Generac Case, Affidavit of Service, ECF No. 4

Nov 17, 2025EXHIBITPATENT OWNER

Excerpts from File History of U.S. Patent No. 11143120 (Part 1)

Nov 17, 2025EXHIBITPATENT OWNER

Excerpts from File History of U.S. Patent No. 11143120 (Part 2)

Nov 17, 2025EXHIBITPATENT OWNER

Generac Case, Amended Scheduling Order, ECF No. 59

Nov 17, 2025EXHIBITPATENT OWNER

US5419291 (Kimata)

Nov 17, 2025EXHIBITPATENT 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: Power of Attorney

Sep 24, 2025PAPERPATENT OWNER

Notice: Mandatory Notice

Sep 24, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Sep 16, 2025PAPERBOARD

U.S Patent No. 10,697,398 to Collie et al. (the ’398 Patent)

Sep 3, 2025EXHIBITPETITIONER

File History for U.S. Patent No. 10,697,398 (the ’398 File History)

Sep 3, 2025EXHIBITPETITIONER

JPS61283734A (Original) (Nakafushi)

Sep 3, 2025EXHIBITPETITIONER

Certified Translation of JPS61283734A (Nakafushi)

Sep 3, 2025EXHIBITPETITIONER

Small Engine Technology, Second Edition, Schuster, William A, (1999)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 5,301,644 (Olmr)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No 1,931,698 (Holzapfel)

Sep 3, 2025EXHIBITPETITIONER

Kubota DF-972-E2 Workshop Manual (“Workshop Manual”)

Sep 3, 2025EXHIBITPETITIONER

Declaration from Mr. James Strepek re Kubota Manuals

Sep 3, 2025EXHIBITPETITIONER

Declaration from Mr. Scott Schlabach re Kubota Manuals

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 5,161,496 (Matsushima)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 7,549,403 (Yamamoto)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 4,776,988 (Neal)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 6,213,083 (“Winberg”)

Sep 3, 2025EXHIBITPETITIONER

Champion’s Infringement Contentions to Pet'rs Generac's PM4500DF-GP7500E DF

Sep 3, 2025EXHIBITPETITIONER

Petitioner Generac Power Systems, Inc. Power of Ater of Attorney

Sep 3, 2025PAPERPETITIONER

Photos of Generac PM7500DF generator

Sep 3, 2025EXHIBITPETITIONER

Video 1 of Generac PM7500DF.mp4

Sep 3, 2025EXHIBITPETITIONER

Video 2 of Generac PM7500DF.mp4

Sep 3, 2025EXHIBITPETITIONER

Video 3 of Generac PM7500DF.mp4

Sep 3, 2025EXHIBITPETITIONER

Petitioner Harbor Freight Tools USA Inc. Power of Attorney

Sep 3, 2025PAPERPETITIONER

Petitioner MWE Investments, LLC Power of Attorney

Sep 3, 2025PAPERPETITIONER

Process Control, Instrument Engineers’ Handbook, Liptak (1995)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent Publication No. 2007/0137591 (Sugimoto)

Sep 3, 2025EXHIBITPETITIONER

U.S. Patent No. 5,809,979 (Tsuda)

Sep 3, 2025EXHIBITPETITIONER

Declaration Of Timothy Morse

Sep 3, 2025EXHIBITPETITIONER

Petition For Inter Parties Review

Sep 3, 2025PAPERPETITIONER