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

Explore the PTAB proceeding IPR2025-00722 filed by Zhuhai CosMX Battery Co., Ltd. on 2025-04-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00722

Filing Date

2025-04-01

Accorded Filing Date

2025-04-01

Institution Decision Date

2025-09-03

Last Modified Date

2025-12-18

Proceeding Type

IPR

Termination Date

2025-09-03

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd.

Represented By

Stein, Jameset 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 17885920

Respondent Patent Number 11799131

External Links

Espacenet

Google Patents

Respondent Inventor Kefei WANG 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

Notice: refund approved NOTICE

2025-12-18 FILING PARTY: BOARD

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Petitioner's Request for Refund of Post-Institution Fees OTHER

2025-12-15 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2025-09-03 FILING PARTY: BOARD

Download

3101

Email Correspondence Exhibit

2025-09-02 FILING PARTY: BOARD

Download

2030

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

2025-08-05 FILING PARTY: PATENT OWNER

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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 of Post-Institution Fees OTHER

Director Discretionary Decision: Deny RESPONSE

Email Correspondence Exhibit

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

EX1029_Partial Stay Order, STA Grp. LLC v. Motorola Sols., Inc., ECF 402 Exhibit

Ningde Amperex Tech. Exhibit No. 2017-Sigma-Aldrich Safety Data Sheet, July 2016 Exhibit

EX1034_Order, BoxCast Inc. v. Resi Media LLC, ECF 163 Exhibit

Ningde Amperex Tech. Exhibit No. 2041-Insights into Influencing Electrode Calendering Exhibit

EX1038_Declaration of John C. Evans Exhibit

Ningde Amperex Tech. Exhibit No. 2024-DIPPR Printout Exhibit

Patent Owner's Response to Petitioner's Explanation of Parallel Petitions OTHER

EX1040_Verdict Form ECF 345 Exhibit

EX1037_CTIF article Exhibit

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

Ningde Amperex Tech. Exhibit No. 2032-Spectroscopy Solutions for Materials Analysis Exhibit

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

Ningde Amperex Tech. Exhibit No. 2023-Interfacial Processes and Influence of Composite Exhibit

EX1031_Order, Cellspin Soft, Inc. v. ByteDance Ltd., ECF 106 Exhibit

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

Patent Owner's Preliminary Response POPR

Ningde Amperex Tech. Exhibit No. 2022-CN104051787A Exhibit

Ningde Amperex Tech. Exhibit No. 2021- Sigma-Aldrich Product Specification Exhibit

Ningde Amperex Tech. Exhibit No. 2020- Sigma-Aldrich Product Specification Exhibit

EX1030_Order, Stellar, LLC v. Motorola Sols., Inc., ECF 170 Exhibit

EX1033_Order, Netlist, Inc. v. Micron Tech., Inc., ECF 493 Exhibit

EX1035_Order, Datatreasury Corp. v. Fiserv, Inc., ECF 616 Exhibit

Ningde Amperex Tech. Exhibit No. 2033-A Comparison of Methodologies for the Non-Invasive Characterisation Exhibit

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

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

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

Ningde Amperex Tech. Exhibit No. 2018-Safety Data Sheet, September 2018 Exhibit

Ningde Amperex Tech. Exhibit No. 2040-Ethylene Carbonate – Mitsubishi Exhibit

EX1032_Order, Intercurrency Software LLC v. Binance Holdings Ltd., ECF 86 Exhibit

EX1042_MyPort, Inc. v. Samsung Elecs., ECF 73 Exhibit

Ningde Amperex Tech. Exhibit No. 2019- Sigma-Aldrich Product Specification Exhibit

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

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

EX1041_Amended Final Judgment ECF 427. Exhibit

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

Ningde Amperex Tech. Exhibit No. 2011-Docket Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

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

Ningde Amperex Tech. Exhibit No. 2013-Chinese Case Search Exhibit

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

Ningde Amperex Tech. Exhibit No. 2010-Article Exhibit

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

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

Ningde Amperex Tech. Exhibit No. 2012-USP 10,833,363 Exhibit

Ningde Amperex Tech. Exhibit No. 2007-Docket Exhibit

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

Ningde Amperex Tech. Exhibit No. 2014-PE2E Search Tool Exhibit

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

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

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

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

EX1028 - Second Amd Complaint for Patent Infringement, No. 24cv728 (EDTX) Exhibit

EX1002 - Prosecution history of U.S. Patent No. 11,799,131 Exhibit

Petition: as filed PETITION

EX1001 - U.S. Patent No. 11,799,131 Exhibit

EX1015 - Chinese Patent No. 106848381 (“Hong”) and Certified Translation Exhibit

EX1027 - Alleged Infringement Claim Chart for ’131 Patent Exhibit

EX1024 - U.S. Patent Appl. Publ. No. 2016/0294007 A1 (Kefei) Exhibit