GENERAC POWER SYSTEMS, INC. et al. vs Champion Power Equipment, Inc. - IPR2025-01099

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

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

Firman Case, Case Management Order, ECF No. 33

Firman Case, First Amended Complaint, ECF No. 24

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

Firman Case, Declaration and Exhibit, ECF No. 116

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

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

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

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

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

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

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

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

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

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

Generac Case, Complaint, ECF No. 1

June 23, 2020 Letter from Champion to MWE

July 31, 2020 MWE Response Letter

Oct. 17, 2020 MWE Responsive Letter

July 7, 2020 Letter from Champion to Generac

July 31, 2020 Generac Response Letter

March 27, 2024 Letter from Champion to Harbor Freight

June 28, 2024 Letter from Champion to Harbor Freight

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

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

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

MWE Case, Complaint, ECF No. 1

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

Firman August 30, 2024 Invalidity Contentions

August 4, 2025 Stipulation from Generac

August 4, 2025 Stipulation from Harbor Freight

US Pub No. 20020134362 (Deutsch)

US Pub No. 20140202430 (Monros)

US5809979 (Kubota Patent)

Champion September 26, 2014 Internal Email

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

August 15, 2025 Stipulation from MWE

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

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

Firman Case, Order, ECF No. 141

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

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

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

US3384059 (Kopa)

August 29, 2025 Stipulation from MWE

August 29, 2025 Stipulation from Harbor Freight

September 2, 2025 Stipulation from Generac

US10221780 (the 780 Patent)

Ex. 3001

Patent Owner's Unopposed Motion to Withdraw and Substitute Counsel

Patent Owner's Amended Power of Attorney

Patent Owner's Amended Mandatory Notices

Notice: Notice filing date accorded

Notice: Mandatory Notice

Notice: Power of Attorney

U.S. Patent No. 11,306,667

File History for U.S. Patent No. 11,306,667

JP2005330867 (Original) (“Fujisawa”)

Certified Translation of JP2005330867 (“Fujisawa”)

Declaration of David Raskin (dated May 7, 2025)

JPS61283734A (Original) (“Nakafushi”)

Certified Translation of JPS61283734A (“Nakafushi”)

U.S. Patent No. 5,301,644 (“Olmr”)

U.S. Patent No. 7,481,087 (“De Vries”)

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

U.S. Patent No. 9,435,273 (“the ’273 Patent”)

Switch, MERRIAM-WEBSTER, https://www.merriam-webster.com/dictionary/switch

Selector Switch, MERRIAM-WEBSTER, https://www.merriam-webster.com/dictionar

Switch, CAMBRIDGE DICTIONARY, https://dictionary.cambridge.org/us/dictionar

Switch, THE FREE DICTIONARY, https://www.thefreedictionary.com/switch (last

RUDOLF F. GRAF, MODERN DICTIONARY OF ELECTRONICS (Charlie Buffington & Jack

TONY ATKINS & MARCEL ESCUDIER, OXFORD DICTIONARY OF MECHANICAL ENGINEERING

S.B. CHOPRA, ANMOL’S DICTIONARY OF MECHANICAL ENGINEERING (1989)

MCGRAW-HILL DICTIONARY OF MECHANICAL AND DESIGN ENGINEERING (Sybil P. Parke

G.H.F. NAYLER, DICTIONARY OF MECHANICAL ENGINEERING (rev. ed. 2006)

Complaint, Champion Power Equipment, Inc. v. Generac Power Systems, Inc., N

Powermate DF3500E – 3500 Watt Electric Start Dual Fuel Portable, ELECTRIC G

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

U.S. Patent No. 10,598,101 (“the ’101 Patent”)

File History for U.S. Patent No. 10,598,101 (“the ’101 File History”)

Castell Safety Int’l Ltd., Castell Interlocks: How They Work, YOUTUBE (Apr.

Screenshots and Video Transcript of Castell Safety Int’l Ltd., Castell Inte

U.S. Patent No. 9,175,601 (“Markoski”)

FORD MOTOR CO., 2004 SERVICE MANUAL: POWERTRAIN CONTROL/EMISSIONS DIAGNOSIS

U.S. Patent No. 1,827,214 (“Sturm”)

U.S. Patent No. 4,641,625 (“Smith”)

U.S. Patent No. 6,276,345 (“Nelson”)

U.S. Patent No. 2,645,570 (“Anderson”)

U.S. Patent No. 2,945,111 (“McCormick”)

Champion’s Infringement Contentions for U.S. Patent No. 11,306,667 as Asser

U.S. Patent No. 8,040,663 (“Czarnecki”)

WILLIAM A. SCHUSTER, SMALL ENGINE TECHNOLOGY (2d ed. 1999)

Neil B. Hampson & Jennette L. Zmaeff, Carbon Monoxide Poisoning from Portab

H. Windawi, Controlling the Exhaust Emissions from Alternative Fuel Vehicle

MARTY AHRENS, NAT’L FIRE PROT. ASS’N, U.S. VEHICLE FIRE TRENDS AND PATTERNS

Selector Switch, THE FREE DICTIONARY https://www.thefreedictionary.com/sele

1045A Engineering Explained, Why Cars Backfire - Afterfire - Explained

1045B Engineering Explained, Why Cars Backfire - Afterfire - Explained, YOU

Screenshots and Video Transcript of Engineering Explained, Why Cars Backfir

Shivansh Sabhadiya, What Causes Backfire in an Engine?, ENGINEERING CHOICE,

U.S. Patent No. 4,489,699 (“Poehlman”)

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

Declaration on Mina Ching (dated Apr. 22, 2025)

Champion’s Infringement Contentions for U.S. Patent No. 11,905,896 as Asser

Duro Max XP4400EH Operator’s Manual (“DuroMax”)

Declaration of Winkel

Petition: as filed

Notice: Power of Attorney for Generac

Notice: Power of Attorney for MWE

Notice: Power of Attorney for Harbor Freight