Coretronic Corporation vs. Maxell, LTD.

Explore the PTAB proceeding IPR2025-00477 filed by Coretronic Corporation on 2025-01-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00477

Filing Date

2025-01-17

Accorded Filing Date

2025-01-17

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 12825836

Respondent Patent Number 7850313

External Links

Espacenet

Google Patents

Respondent Inventor Koji Hirata et al

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

Address and Attorney/Agent Information

8 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name ANTONELLI, TERRY, STOUT & KRAUS, LLP

Customer Number 20457

Address PO Box 472, Upper Marlboro, MD, 20773, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
18038	George Spencer	703-893-7131
26422	Donald Stout	202-419-7021
28141	Gregory Montone	703-677-3020
28565	William Solomon	202-419-7000
28577	Ronald Shore	703-836-6400
32087	Alan Schiavelli	202-419-7000
32173	Paul Skwierawski	919-636-4767
60190	James Zak	651-357-8517

Proceeding Documents

Notice: refund approved NOTICE

2025-09-04 FILING PARTY: BOARD

Download

Request for Refund OTHER

2025-09-03 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-07-10 FILING PARTY: BOARD

Download

Petitioner's Updated Exhibit List NOTICE

2025-06-10 FILING PARTY: PETITIONER

Download

1013

Sotera Stipulation Exhibit

2025-06-10 FILING PARTY: PETITIONER

Download

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

Petitioner's Updated Exhibit List NOTICE

Sotera Stipulation Exhibit

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

Patent Owners Preliminary Response to Petition for Inter Partes Review of U.S. Patent No. 7,850,313 POPR

Defendants' Preliminary Asserted Prior Art Exhibit

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

Memorandum on Interim Processes Exhibit

Defendants' Invalidity Contentions Exhibit

FAQs for Interim Processes for PTAB Workload Management Exhibit

Order Resetting Markman Hearing Exhibit

Preliminary Election of Asserted Claims Exhibit

Complaint for Patent Infringement Exhibit

Guidance Memo on Interim Procedure Recission Exhibit

USPTO rescinds memorandum addressing discretionary denial procedures Exhibit

Order Granting Motion to Dismiss Exhibit

First Amended Docket Control Order Exhibit

Order Denying Motion to Transfer Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

1006B TRANSLATION of JP2006047986A (“Itohiya ’986”) Exhibit

US2005/0275759A1 (“Itohiya ’759”) Exhibit

Petition: as filed PETITION

Declaration of Dr. Jose Sasian, dated January 16, 2025 Exhibit

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

Notice: Power of Attorney NOTICE

CV of Dr. Jose Sasian Exhibit

US2006/0285080A1 (“Kurihara”) Exhibit

1009B TRANSLATION of JP2003248169A (“Karasawa”) Exhibit

U.S. Patent No. 7,850,313 (the ‘313 Patent) Exhibit

1006C TRANSLATION CERTIFICATE FOR JP2006047986A (“Itohiya ’986”) Exhibit

1009A - JP2003248169A (“Karasawa”) Exhibit

US2005/0219706A1 (“Yamagishi ’706”) Exhibit

US2006/0132723A1 (“Yamagishi ’723”) Exhibit

US6,542,204B1 (“Ohzawa”) Exhibit

1009C TRANSLATION CERTIFICATE for JP2003248169A (“Karasawa”) Exhibit

Prosecution History of the ‘313 Patent Exhibit

1006A JP2006047986A (“Itohiya ’986”) Exhibit