Coretronic Corporation vs. Maxell, LTD.

Explore the PTAB proceeding IPR2025-00474 filed by Coretronic Corporation on 2025-01-29. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00474

Filing Date

2025-01-29

Accorded Filing Date

2025-01-29

Institution Decision Date

2025-07-10

Last Modified Date

2025-09-04

Proceeding Type

IPR

Termination Date

2025-07-10

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Coretronic Corporation

Represented By

McPhail, Donaldet al

Patent Owner / Respondent

Maxell, LTD.

Represented By

Pluta, Robertet 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 13891267

Respondent Patent Number 8593580

External Links

Espacenet

Google Patents

Respondent Inventor Nobuyuki Kimura et al

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

Address and Attorney/Agent Information

5 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MATTINGLY & MALUR, PC

Customer Number 24956

Address 1800 DIAGONAL ROAD, SUITE 600, ALEXANDRIA, VA, 22314, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
48165	Boris Matvenko	919-885-0476
52039	Giuseppe Molaro	609-474-0127
55044	Jeffrey Chamberlain	609-270-4983
55382	Muriel Liberto	212-692-6257
61011	Leon Legleiter	919-636-4767

Proceeding Documents

Notice: refund approved NOTICE

2025-09-04 FILING PARTY: BOARD

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REQUEST FOR REFUND OTHER

2025-09-03 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2025-07-10 FILING PARTY: BOARD

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Petitioners' Corrected Sotera Stipulation OTHER

2025-06-20 FILING PARTY: PETITIONER

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1012

Sotera Stipulation Exhibit

2025-06-12 FILING PARTY: PETITIONER

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Coretronic Corporation vs. Maxell, LTD.

Proceeding Overview

Parties & Counsel

Petitioner

Coretronic Corporation

Represented By

Patent Owner / Respondent

Maxell, LTD.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

REQUEST FOR REFUND OTHER

Director Discretionary Decision: Deny RESPONSE

Petitioners' Corrected Sotera Stipulation OTHER

Sotera Stipulation Exhibit

EX2010 - 2025.04.08 [086] Coretronic's Responsive Claim Contruction Brief Exhibit

EX2009 - 2025.02.18 [074] P.R. 4-3 Joint Claim Construction and Prehearing Statement Exhibit

Patent Owner Response to Petition for Inter Partes Review of U.S. Patent No. 8,593,580 POPR

Petitioners' Updated Exhibit List NOTICE

Petitioners' Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

EX2008 - 2025.05.09 Preliminary Constructions Exhibit

Sotera Stipulation Exhibit

Order Denying Motion to Transfer Exhibit

Defendants' Invalidity Contentions Exhibit

Preliminary Election of Asserted Claims Exhibit

First Amended Docket Control Order Exhibit

Brief in Support of Patent Owner’s Request for Discretionary Denial RESPONSE

Defendants' Preliminary Asserted Prior Art Exhibit

Order Granting Motion to Dismiss Exhibit

Complaint for Patent Infringement Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Petition: as filed PETITION

Notice: Power of Attorney NOTICE

1007A Chinese Patent Publication 101498415A (“Li ’415”) Exhibit

1007C CERTIFICATION OF TRANSLATION for Chinese Patent Publication 101498415 Exhibit

First Amended Docket Control Order, Maxell, Ltd. v. Coretronic Corp. et al. Exhibit

U.S. Patent Application Publication 2003/0189693A1 (“Ishino”) Exhibit

U.S. Patent Application Publication 2006/0203202A1 (“Uchiyama”) Exhibit

U.S. Patent Application Publication 2009/0262308A1 Exhibit

CV of Dr. Jose Sasian Exhibit

1007B TRANSLATION of Chinese Patent Publication 101498415A (“Li ’415”) Exhibit

U.S. Patent No. 7,196,354 (“Erchak”) Exhibit

Declaration of Dr. Jose Sasian, dated January 28 2025 Exhibit

U.S. Patent Application Publication 2007/0182932A1 (“Bakker”) Exhibit

Prosecution History of the ’580 Patent Exhibit

U.S. Patent No. 8,593,580 (the ’580 Patent) Exhibit