Coretronic Corporation et al. vs. Maxell, LTD.

Explore the PTAB proceeding IPR2025-00942 filed by Coretronic Corporation et al. on 2025-05-14. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00942

Filing Date

2025-05-14

Accorded Filing Date

2025-06-14

Institution Decision Date

2025-09-26

Last Modified Date

2025-10-27

Proceeding Type

IPR

Termination Date

2025-09-26

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Coretronic Corporation et al.

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 15322980

Respondent Patent Number 9900569

External Links

Espacenet

Google Patents

Respondent Inventor Eriko NAGATA et al

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

Address and Attorney/Agent Information

27 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name McDermott Will & Schulte LLP

Customer Number 20277

Address 500 NORTH CAPITOL STREET, N.W., The McDermott Building, WASHINGTON, DC, 20001, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28553	Paul Devinsky	202-756-8369
33738	Kevin Meek	512--32-2-5471
38563	Judy Mohr	650-815-7630
44981	Brian Oaks	512-726-2574
46393	Jiewen Davis	713-374-1692
47052	Margaret Sampson	512-322-2552
52441	Peter Brunovskis	202-662-2782
57620	Brian Malkin	202-756-8045
60671	Amol Parikh	312-372-2000
61390	Gaylon Hollis	404-260-8535
61861	Ahsan Shaikh	949-757-6304
63110	Alexander Ott	202-756-8496
65783	April Weisbruch	202-346-4306
67009	Ryan Clark	512-322-2670
67088	Syed Fareed	512-322-2658
68591	James Oehler	312-899-7277
69568	Alexandra Cavazos	310-595-3093
69985	Brett Thompsen	512-300-5767
71411	Stephanie Backovic	--
73786	Brennen Baylor	202-756-8763
75381	Nicholas Franich	310-993-6563
76525	Yuhe Liu	202-756-8974
76850	Benjamin Ediger	737-279-8098
77135	Aziz Poonawalla	310-229-9905
78844	Aashish Kapadia	812-298-6488
79126	Alexander Piala	512-298-4558
82240	Tirsaay Ahmed	202-756-8433

Proceeding Documents

Notice: refund approved NOTICE

2025-10-08 FILING PARTY: BOARD

Download

Request for Refund OTHER

2025-10-06 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-09-26 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2025-09-24 FILING PARTY: BOARD

Download

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

2025-09-18 FILING PARTY: PETITIONER

Download

Coretronic Corporation et al. vs. Maxell, LTD.

Proceeding Overview

Parties & Counsel

Petitioner

Coretronic Corporation et al.

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

Email Correspondence Exhibit

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

EX. 2006 - [097] SEALED Report and Recommendation Regarding Defendant's Motion to Dismiss [022] & [024] Exhibit

EX. 2002 - Interim Processes for PTAB Workload Management Exhibit

EX. 2007 - [078] Plaintiff's Preliminary Election of Asserted Claims Exhibit

EX. 2010 Time to Trial Statistics Exhibit

EX. 2012 - [001] Notice of Docketing Exhibit

EX. 2008 Defendants' Invalidity Contentions Exhibit

Brief In Support of Patent Owner's Request for Discretionary Denial RESPONSE

EX. 2013 - [096] Report and Recommendations re [020] Defendant's Motion to Dismiss Exhibit

EX. 2011 - [111] Claim Construction Order Exhibit

EX. 2001 - [001] Complaint for Patent Infringement Exhibit

EX. 2005 - [085] Order Denying [063] Motion to Transfer Exhibit

EX. 2004 - [116] Second Amended Docket Control Order Exhibit

EX. 2003 - [065] First Amended Docket Control Order Exhibit

EX. 2009 Guidance Memorandum on Interim Procedure Recission Exhibit

Petitioners' Updated Exhibit List NOTICE

PETITIONERS’ SOTERA STIPULATION Exhibit

Notice: Notice filing date accorded NOTICE

Power of Attorney for Patent Owner NOTICE

Patent Owner's Mandatory Notices Under 37 C.F.R.§ 42.8 NOTICE

1009A ORIGINAL JP2001015276A (“Kambara”) Exhibit

U.S. Patent No. 9,900,569 (the ’569 Patent) Exhibit

Declaration of Dr. Schonfeld, dated May 13, 2025 Exhibit

https://web.archive.org/web/20140113063614/https://www.projectorcentral.com Exhibit

1010C CERTIFICATE OF TRANSLATION DE102010031523A1 (“Baier”) Exhibit

Petition: as filed PETITION

1008B TRANSLATION JP2005241708A (“Ishitani”) Exhibit

https://www.projectorcentral.com/Hitachi-CP-DX300.htm (https://web.archive. Exhibit

1009B TRANSLATION JP2001015276A (“Kambara”) Exhibit

1008A ORIGINAL JP2005241708A (“Ishitani”) Exhibit

1007B TRANSLATION JP2008122746A (“Abe”) Exhibit

Hitachi CP-DX300 User Manual-Document Properties.pdf Exhibit

Prosecution History of the ’569 Patent Exhibit

1009C CERTIFICATE OF TRANSLATION JP2001015276A (“Kambara”) Exhibit

BenQ MX823ST/MW824ST Digital Projector User Manual (“BenQ MX823ST User Manu Exhibit

Hitachi CP-DX300 User Manual (Nov. 3, 2013) - WayBack Machine Exhibit

Notice: Power of Attorney NOTICE

Hitachi Projector CP-DX250/CP-DX300 User Manual (“CP-DX300-UM”) Exhibit

1010A ORIGINAL DE102010031523A1 (“Baier”) Exhibit

CV of Dr. Schonfeld Exhibit

https://www.projectorcentral.com/news_story_1866.htm Exhibit

US20130215135A1 (“Hirabayashi”) Exhibit

1008C CERTIFICATE OF TRANSLATION JP2005241708A (“Ishitani”) Exhibit

Hitachi CP-DX300 User Manual (Link) (June 9, 2013) - WayBack Machine Exhibit

1010B TRANSLATION DE102010031523A1 (“Baier”) Exhibit

1007C CERTIFICATE OF TRANSLATION JP2008122746A (“Abe”) Exhibit

US20100289429A1 (“Pollmann-Retsch”) Exhibit

1007A Original JP2008122746A (“Abe”) Exhibit

Hitachi YK No.0682E CP-DX250/CP-DX300 (DL1-X25/DL1-X30) Service Manual (“CP Exhibit