Zhuhai CosMX Battery Co., Ltd. vs. Ningde Amperex Technology Ltd.

Explore the PTAB proceeding IPR2025-00385 filed by Zhuhai CosMX Battery Co., Ltd. on 2025-01-16. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00385

Filing Date

2025-01-16

Accorded Filing Date

2025-01-16

Institution Decision Date

2025-08-20

Last Modified Date

2025-12-12

Proceeding Type

IPR

Termination Date

2025-08-20

Trial Status

Institution Denied

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd.

Represented By

Eisenberg, Jasonet al

Patent Owner / Respondent

Ningde Amperex Technology Ltd.

Represented By

Douglas, Christopheret al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 1700 - Chemical & Materials Engineering

Patent Information

1 Patent Involved

Respondent Application Number 16202346

Respondent Patent Number 10964927

External Links

Espacenet

Google Patents

Respondent Inventor Kebing GUO et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

2 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Juan Carlos A. Marquez - Marquez Intellectual Property Law Office PLLC

Customer Number 38327

Address 1629 K Street, NW, Suite 300, Washington, DC, 20006, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
32846	Daniel Stanger	703-691-5648
34072	Juan Carlos Marquez	202-349-1690

Proceeding Documents

Notice: refund approved NOTICE

2025-12-12 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2025-12-11 FILING PARTY: PETITIONER

Download

Order Denying Director Review of Institution Decision REHEARING

2025-11-03 FILING PARTY: BOARD

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Authorized Response to Director Review Request OTHER

2025-09-29 FILING PARTY: PATENT OWNER

Download

3100

Ex. 3100 Counsel email for Authorized response Exhibit

2025-09-22 FILING PARTY: BOARD

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Zhuhai CosMX Battery Co., Ltd. vs. Ningde Amperex Technology Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd.

Represented By

Patent Owner / Respondent

Ningde Amperex Technology 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

Petitioner's Request for Refund OTHER

Order Denying Director Review of Institution Decision REHEARING

Authorized Response to Director Review Request OTHER

Ex. 3100 Counsel email for Authorized response Exhibit

Request for Director Review - Institution Decision REQUEST

DECISION Denying Institution of Inter Partes Review 35 U.S.C. § 314 DECISION

Director Discretionary Decision: Refer RESPONSE

Ningde Amperex Tech. Exhibit No. 2031-Level Modeling Exhibit

Ningde Amperex Tech. Exhibit No. 2030-Effects of Cycling Exhibit

Ningde Amperex Tech. Exhibit No. 2028- Interplay of Electrode Heterogeneity Exhibit

Ningde Amperex Tech. Exhibit No. 2016- Curriculum Vitae of Dean Wheeler Exhibit

Ningde Amperex Tech. Exhibit No. 2015-Declaration of Dean Wheeler Exhibit

Ningde Amperex Tech. Exhibit No. 2027-BES DOE Energy Innovation Hubs Exhibit

Ningde Amperex Tech. Exhibit No. 2025-2016 Batteries Conference GRC Exhibit

Ningde Amperex Tech. Exhibit No. 2026-Hubs-Department of Energy Exhibit

Patent Owner's Preliminary Response POPR

Ningde Amperex Tech. Exhibit No. 2029- Effects of Lithium Ions Exhibit

EX1024 - Federal Court Management Statistics (Sept. 30, 2025) Exhibit

Petitioner's Opposition to Patent Owner's Discretionary Denial Brief RESPONSE

EX1025 - Federal Court Management Statistics (Dec. 31, 2025) Exhibit

EX1027 - Evans Declaration Exhibit

EX1023 - Docket Control Order Exhibit

EX1022 - CTIF Article Exhibit

EX1026 - Gilstrap Cases Exhibit

Ningde Amperex Tech. Exhibit No. 2006- DocketNavigator Statistics Exhibit

Ningde Amperex Tech. Exhibit No. 2007- Docket Exhibit

Ningde Amperex Tech. Exhibit No. 2010- Article Exhibit

Ningde Amperex Tech. Exhibit No. 2003- CosMX Invalidity Contentions Cover Pleading Exhibit

Ningde Amperex Tech. Exhibit No. 2004- Germany Order 1 Exhibit

Ningde Amperex Tech. Exhibit No. 2001- Second Amended Complaint Exhibit

Ningde Amperex Tech. Exhibit No. 2008- Joint Motion for Entry of Protective Order Exhibit

Ningde Amperex Tech. Exhibit No. 2002- Scheduling Order Exhibit

Ningde Amperex Tech. Exhibit No. 2009- Amended Final Judgment Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Ningde Amperex Tech. Exhibit No. 2005- Germany Order 2 Exhibit

Notice: Notice filing date accorded NOTICE

Notice: Patent Owner's Power of Attorney NOTICE

Notice: Patent Owner's Mandatory Notices NOTICE

EX1020 - Dupen Exhibit

EX1019 - Baldwin Exhibit

EX1013 - 2-24-cv-00728 Complaint Exhibit

EX1021 - Hibbeler (Part 1 of 3) Exhibit

EX1008 - English Translation of File History of CN105449140 Exhibit

EX1007 - Zhang Thesis Exhibit

EX1018 - Beer (Part 1 of 2) Exhibit

EX1006 - U.S. Patent No. 10,559,802 (Zhang) Exhibit

EX1021 - Hibbeler (Part 3 of 3) Exhibit

EX1009 - Pecht CV Exhibit

EX1015 - Arora Exhibit

EX1012 - US Dept of Defense Exhibit

EX1018 - Beer (Part 2 of 2) Exhibit

EX1001 - U.S. Patent No. 10,964,927 (Guo) Exhibit

Petition for Inter Partes Review PETITION

EX1002 - File History of U.S. Patent No. 10,964,927 Exhibit

EX1005 - Chen Exhibit

Petitioner's Power of Attorney NOTICE

EX1010 - Jordan Exhibit

EX1003 - Pecht Declaration Exhibit

EX1016 - EP 0924780 A1 (Yu) Exhibit

EX1021 - Hibbeler (Part 2 of 3) Exhibit

EX1004 - U.S. Publication No. 20150180002 (Nishikawa) Exhibit

EX1011 - Salakhov Exhibit

EX1014 - 2-24-cv-00728 EOT to Answer Complaint Exhibit

EX1017 - Xiong Exhibit