Toyota Motor Corporation et al. vs. BUNKER HILL TECHNOLOGIES, LLC

Explore the PTAB proceeding IPR2026-00333 filed by Toyota Motor Corporation et al. on 2026-04-07. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00333

Filing Date

2026-04-07

Accorded Filing Date

2026-04-07

Institution Decision Date

—

Last Modified Date

2026-08-18

Proceeding Type

IPR

Termination Date

2026-08-11

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Toyota Motor Corporation et al.

Represented By

ENGLEHART, ALEXANDERet al

Patent Owner / Respondent

BUNKER HILL TECHNOLOGIES, LLC

Represented By

Fahmi, Tareket al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 16866028

Respondent Patent Number 11374508

External Links

Espacenet

Google Patents

Respondent Inventor Jian Zhou et al

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

2 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Ascenda Law Group, PC

Customer Number 27571

Address 2150 N First Street, Suite 420, San Jose, CA, 95131, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
41402	Tarek Fahmi	408-799-0612
61241	Jonathan Tsao	408-547-7040

Proceeding Documents

Notice: refund approved NOTICE

2026-08-18 FILING PARTY: BOARD

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Petitioner's Request for Refund OTHER

2026-08-17 FILING PARTY: PETITIONER

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Termination Decision: Pre-DI settlement TERMINATE

2026-08-11 FILING PARTY: BOARD

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3101

Email Correspondence Exhibit

2026-08-10 FILING PARTY: BOARD

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JOINT REQUEST TO TREAT FINAL SETTLEMENT AGREEMENT OF PATENT OWNER AND TOYOTA AS BUSINESS CONFIDENTIAL INFORMATION MOTION

2026-08-07 FILING PARTY: PETITIONER

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Toyota Motor Corporation et al. vs. BUNKER HILL TECHNOLOGIES, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Toyota Motor Corporation et al.

Represented By

Patent Owner / Respondent

BUNKER HILL TECHNOLOGIES, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioner's Request for Refund OTHER

Termination Decision: Pre-DI settlement TERMINATE

Email Correspondence Exhibit

JOINT REQUEST TO TREAT FINAL SETTLEMENT AGREEMENT OF PATENT OWNER AND TOYOTA AS BUSINESS CONFIDENTIAL INFORMATION MOTION

Joint Motion to Terminate Proceeding MOTION

Plaintiff Bunker Hill Technologies, LLC’s Disclosure of Asserted Claims and Infringement Contentions Exhibit

Docket Control Order, Bunker Hill Tech., LLC v. Toyota Motor Corp. et al., No. 25-cv-01133, Dkt. 34 (E.D. Tex. May 28, 2026) Exhibit

“Toyota’s Path to Carbon Neutrality,” Toyota Newsroom (May 12, 2021), https://pressroom.toyota.com/toyotas-path-to-carbon-neutrality/ Exhibit

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

PO's POPR Merits Waiver POPR

“Toyota Announces $912 Million Investment in U.S. to Expand Hybrid Vehicle Production Capacity,” Toyota Newsroom (Nov. 18, 2025), https://global.toyota/en/newsroom/corporate/43577463.html Exhibit

Ex. 2004 Prosecution History of U.S. Pat. No. 9,800,182 Exhibit

Ex. 2002 Complaint Exhibit

Ex. 2001 Declaration of David Pridham Exhibit

Ex. 2005 Prosecution History of U.S. Pat. No. 10,374,529 Exhibit

Ex. 2003 Prius information Webpage Exhibit

Ex. 2006 Prosecution History of U.S. Pat. No. 10,673,358 Exhibit

PO Request for Discretionary Denial RESPONSE

Notice: Mandatory Notice NOTICE

Notice filing date accorded NOTICE

Search Disclosure Declaration OTHER

Prosecution History of the ‘508 Patent Exhibit

Notice: Power of Attorney NOTICE

JP2010-221979 (“Imai”) Exhibit

JP2010-036880 (“Tsuzuki”) Exhibit

JP2001-218380 (“Satoru”) Exhibit

US2014/0100726 (“Reynolds”) Exhibit

U.S. Patent No. 8,618,752 (“Zing”) Exhibit

Declaration of Mahdi Shahbakhti, dated April 6, 2026 Exhibit

US2006/0098390 (“Ashtiani”) Exhibit

Petition: as filed PETITION

CV of Mahdi Shahbakhti Exhibit

U.S. Patent No. 11,374,508 (the ‘508 Patent) Exhibit

Sotera Stipulation OTHER

Ehsani, Modern Electric, Hybrid Electric, and Fuel Cell Vehicles Exhibit