GENERAC POWER SYSTEMS, INC. et al. vs. Champion Power Equipment, Inc.

Explore the PTAB proceeding IPR2025-01099 filed by GENERAC POWER SYSTEMS, INC. et al. on 2025-06-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01099

Filing Date

2025-06-17

Accorded Filing Date

2025-06-17

Institution Decision Date

2025-12-11

Last Modified Date

2026-03-05

Proceeding Type

IPR

Termination Date

2025-12-11

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

GENERAC POWER SYSTEMS, INC. et al.

Represented By

Leach, Thomaset al

Patent Owner / Respondent

Champion Power Equipment, Inc.

Represented By

STALEY, JOSEPHet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2400 - Computer Networks, Multiplex & Cybersecurity

Patent Information

1 Patent Involved

Respondent Application Number 15772799

Respondent Patent Number 10306667

External Links

Espacenet

Google Patents

Respondent Inventor Jeongki KIM et al

Respondent Tech Center TC 2400 - Computer Networks, Multiplex & Cybersecurity

Address and Attorney/Agent Information

6 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name LEE, HONG, DEGERMAN, KANG & WAIMEY

Customer Number 35884

Address 801 S. FIGUEROA STREET, SUITE 2000, LOS ANGELES, CA, 90017, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
38199	Jonathan Kang	213-623-2221
45737	Jeffrey Lotspeich	213-623-2221
52041	Michael Monaco	703-774-7240
58941	Norman Lee	213-623-2221
68164	Justin Lee	213-623-2221
800099	Jae Jin Lee	213-244-7061

Proceeding Documents

152

Notice: refund approved NOTICE

2026-03-05 FILING PARTY: BOARD

Download

Refund Request OTHER

2026-02-23 FILING PARTY: PETITIONER

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UNOPPOSED MOTION TO WITHDRAW MWE INVESTMENTS, LLC AS A NAMED PETITIONER OTHER

2026-01-12 FILING PARTY: PETITIONER

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JOINT REQUEST TO TREAT SETTLEMENT AGREEMENT AS BUSINESS CONFIDENTIAL INFORMATION OTHER

2026-01-12 FILING PARTY: PETITIONER

Download

Joint Request that Settlement Agreement Filed Separately as Exhibit 1300 be Kept Separate from the Files OTHER

2026-01-12 FILING PARTY: PETITIONER

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GENERAC POWER SYSTEMS, INC. et al. vs. Champion Power Equipment, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

GENERAC POWER SYSTEMS, INC. et al.

Represented By

Patent Owner / Respondent

Champion Power Equipment, Inc.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Refund Request OTHER

UNOPPOSED MOTION TO WITHDRAW MWE INVESTMENTS, LLC AS A NAMED PETITIONER OTHER

JOINT REQUEST TO TREAT SETTLEMENT AGREEMENT AS BUSINESS CONFIDENTIAL INFORMATION OTHER

Joint Request that Settlement Agreement Filed Separately as Exhibit 1300 be Kept Separate from the Files OTHER

Petitioner Harbor Freight’s Motion to Withdraw MOTION

E-mail authorizing motion to terminate Exhibit

Director Discretionary Decision: Deny RESPONSE

Defendant Champion Power Equipment, Inc’s Opening Markman Brief, Harbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc., No. 24-cv-8722, Dkt. 83 (C.D. Cal., Sept. 9, 2025) Exhibit

Patent Owners Briefing on Impact of Revvo and Tesla Decisions OTHER

Generac Case, Generac's Supplemental Preliminary Invalidity Contentions, dated 2025-09-25 (redacted) Exhibit

Harbor Freight Case, HFT's Opening Claim Construction Brief Exhibit

PETITIONERS’ BRIEF REGARDING REVVO AND TESLA IN VIEW OF PETITONERS’ CLAIM CONSTRUCTION POSITIONS OTHER

Excerpts from Generac’s Supplemental Preliminary Invalidity Contentions (Sept. 25, 2025) Exhibit

Harbor Freight’s Opening Claim Construction Brief, Harbor Freight Tools USA, Inc. v. Champion Power Equipment, Inc., No. 24-cv-8722, Dkt. 84 (C.D. Cal., Sept. 9, 2025) Exhibit

Director Discretionary Decision: Refer RESPONSE

Patent Owners Updated Mandatory Notices NOTICE

Excerpts from File History for U.S. Patent Application No. 18/443,530 Exhibit

U.S Patent No. 8,757,139 (“Deng”) Exhibit

Declaration of Eric Huang (dated Sept. 12, 2025) Exhibit

Docket Navigator Time to Milestone Statistics for Central District of California Exhibit

Docket Navigator Statistics Regarding Motions to Stay in District of Nevada Exhibit

Memorandum in Support of Plaintiff's Motion to Sever Defendant's Counterclaims for Infringement Exhibit

Docket Navigator Statistics Regarding Grant Rate for Uncontested Motions to Stay in Eastern District of Wisconsin Exhibit

Harbor Freight Case, Preliminary Proposed Claim Constructions Exhibit

PETITIONER’S OPPOSITION TO PATENT OWNER’S REQUEST FOR DISCRETIONARY DENIAL OF INSTITUTION RESPONSE

Docket Navigator Time to Trial Statistics for District of Nevada Exhibit

Docket Navigator Time to Milestone Statistics for Eastern District of Wisconsin Exhibit

Docket Navigator Statistics Regarding Grant Rate for Motions to Stay in Eastern District of Wisconsin Exhibit

Email from Taylor R. Stemler to Jennifer Hoekel et al. (Aug. 13, 2025) Exhibit

Order, Parsons Xtreme Golf LLC v. Taylor Made Golf Co., No. 17-cv-3125, Dkt. 187 (D. Ariz., order dated Nov. 29, 2018) Exhibit

Docket Navigator Time to Milestone Statistics for Judge Adelman Exhibit

Order on Defendant/Counter-Claimant's Motion for Partial Stay, FaceTec, Inc. v. iProov, Ltd., No. 21-cv-2252, Dkt. 188 (D. Nev., order dated June 18, 2025) Exhibit

Amended Scheduling Order, Champion Power Equipment, Inc. v. Generac Power Systems, Inc., No. 24-cv-01281, Dkt. 59 (E.D. Wis. Sept. 17, 2025) Exhibit

Docket Navigator Statistics Regarding Grant Rate for Uncontested Motions to Stay in District of Nevada Exhibit

Docket Navigator Statistics Regarding Judge Adelman's Grant Rate for Motions to Stay Exhibit

Patent Owner Champion Power Equipment, Inc.’s Preliminary Response POPR

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

Patent Owner's Notice of Intent to Designate Scott P. Amy, a Provisionally Recognized PTAB Attorney, as Backup Counsel NOTICE

Patent Owners Updated Mandatory Notices NOTICE

Patent Owners Updated Power of Attorney NOTICE

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

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

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

August 15, 2025 Stipulation from MWE Exhibit

Firman Case, Case Management Order, ECF No. 33 Exhibit

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

March 27, 2024 Letter from Champion to Harbor Freight Exhibit

September 2, 2025 Stipulation from Generac Exhibit

July 31, 2020 MWE Response Letter Exhibit

August 4, 2025 Stipulation from Harbor Freight Exhibit

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

US3384059 (Kopa) Exhibit

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

Generac Case, Complaint, ECF No. 1 Exhibit

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

June 23, 2020 Letter from Champion to MWE Exhibit

MWE Case, Complaint, ECF No. 1 Exhibit

July 7, 2020 Letter from Champion to Generac Exhibit

July 31, 2020 Generac Response Letter Exhibit

June 28, 2024 Letter from Champion to Harbor Freight Exhibit

Firman Case, First Amended Complaint, ECF No. 24 Exhibit

Oct. 17, 2020 MWE Responsive Letter Exhibit

Generac Case, Order Following Scheduling Conference, ECF No. 29 Exhibit

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