Zhuhai CosMX Battery Co., Ltd. et al. vs. Ningde Amperex Technology Limited

Explore the PTAB proceeding IPR2026-00401 filed by Zhuhai CosMX Battery Co., Ltd. et al. on 2026-07-22. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00401

Filing Date

2026-07-22

Accorded Filing Date

2026-07-22

Institution Decision Date

—

Last Modified Date

2026-10-14

Proceeding Type

IPR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd. et al.

Represented By

Stein, Jameset al

Patent Owner / Respondent

Ningde Amperex Technology Limited

Represented By

Maier, Timothyet 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 17707129

Respondent Patent Number 12294082

External Links

Espacenet

Google Patents

Respondent Inventor Ting YI et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

11 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name MAIER & MAIER, PLLC

Customer Number 62008

Address 345 SOUTH PATRICK STREET, ALEXANDRIA, VA, 22314, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
34423	Surinder Sachar	703-413-3000
40294	Michael Casey	571-278-6379
51986	Timothy Maier	703-740-8322
53255	Christopher Maier	703-740-8322
58543	Robert Madsen	703-740-8322
59241	Patrick Wamsley	703-519-9801
68584	Max Kaganov	305-807-4358
70435	Timothy Harbeck	703-740-8332
74285	Christopher Ohslund	703-740-8332
80717	Ryan Thompson	703-740-8322
L1386	Lin Chen	703-740-8322

Proceeding Documents

Petitioner's Updated Mandatory Notices NOTICE

2026-10-14 FILING PARTY: PETITIONER

Download

2003

Ex. 2003 - CosMX 2026 Semiannual Report Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2009

Ex. 2009 - Translation Certificate Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2004

Ex. 2004 - CosMX 2025 Annual Report Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2008

Ex. 2008 - Industrial Investment Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

Zhuhai CosMX Battery Co., Ltd. et al. vs. Ningde Amperex Technology Limited

Proceeding Overview

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd. et al.

Represented By

Patent Owner / Respondent

Ningde Amperex Technology Limited

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Petitioner's Updated Mandatory Notices NOTICE

Ex. 2003 - CosMX 2026 Semiannual Report Exhibit

Ex. 2009 - Translation Certificate Exhibit

Ex. 2004 - CosMX 2025 Annual Report Exhibit

Ex. 2008 - Industrial Investment Exhibit

Ex. 2002 - CosMX 2026 Semiannual Report Exhibit

Ex. 2001 - Article Exhibit

Ex. 2005 - CosMX 2025 Annual Report Exhibit

Patent Owner's Request for Discretionary Denial RESPONSE

Ex. 2006 - Management Team Exhibit

Ex. 2007 - History Exhibit

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice filing date accorded to Petition NOTICE

EX1008_Chinese Pat. Appl. CN 109509909 A - Wang Exhibit

EX1009_Chinese Pat. Appl. CN 109509909 A - Wang_translation Exhibit

EX1013_U.S. Pat. Appl. Publ. No. 2017/0033355 A1 - Kondo Exhibit

Petition: as filed PETITION

Notice: Power of Attorney NOTICE

EX1004_Curriculum Vitae of Samuel Gido, Ph.D. Exhibit

EX1011_U.S. Pat. Appl. Publ. No. 2014/0227562 A1 - Kamizori Exhibit

EX1001_U.S. Patent No. 12,294,082 Exhibit

EX1006_Japanese Pat. Publ. No. JP 2014-89855 - Inaba Exhibit

EX1003_Declaration of Samuel Gido, Ph.D. Exhibit

EX1012_U.S. Pat. Appl. Publ. No. 2019/0148762 A1 - Torita Exhibit

EX1007_Japanese Pat. Publ. No. JP 2014-89855 - Inaba_translation Exhibit

EX1005_U.S. Pat. Appl. Publ. No. 2018/0248220 A1 - Manabe Exhibit

EX1017_Park - Colloids and Surfaces A publication Exhibit

EX1015_Sigma-Aldrich Super P product details Exhibit

EX1018_Complaint Exhibit

EX1002_File history of U.S. Patent No. 12,294,082 Exhibit

EX1010_U.S. Pat. Appl. Publ. No. 2018/0316001 A1 - Kim Exhibit

EX1014_Cerbelaud_Langmuir publication Exhibit

EX1016_Lim - J. of Power Sources Publication Exhibit

EX1019_Order Exhibit