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

Explore the PTAB proceeding IPR2026-00409 filed by Zhuhai CosMX Battery Co., Ltd. et al. on 2026-07-28. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00409

Filing Date

2026-07-28

Accorded Filing Date

2026-07-28

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

Fitzsimmons, 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 18532841

Respondent Patent Number 12278330

External Links

Espacenet

Google Patents

Respondent Inventor Tao TAO et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

116 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Morgan, Lewis & Bockius LLP (PA)

Customer Number 24341

Address 1400 Page Mill Road, Palo Alto, CA, 94304-1124, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
31066	Gary Williams	650-843-7501
37386	Michael Lyons	650-843-7507
39266	Soyeon Laub	714-830-0512
39951	Douglas Crisman	650-843-4000
40506	Louis Beardell Jr	215-963-5067
41040	Robert Goodell	202-739-5549
41796	Andrew Gray Iv	650-843-4000
42223	Jason White	312-321-4200
42813	Brett Lovejoy	415-442-1211
42837	Jeffry Mann	415-442-1000
43378	Collin Park	202-739-3000
44146	Brent Hawkins	415-442-1000
45645	Dion Bregman	650-843-4000
46552	Robert Beyers	650-843-7528
46692	Ramyar Farid	202-739-5195
50688	Kenneth Davis	215-963-5392
50801	Robert Smyth	202-739-5139
50862	Ahren Hsu-Hoffman	650-843-4000
50891	Jeffrey Killian	202-739-5592
51793	Mark Hayman	617-951-8440
53615	Nathan Smith	949-757-6018
55001	Olga Berson	310-907-9045
55202	Jason Gettleman	650-843-7593
55293	Ari Indik	215-864-7138
56890	Christopher Betti	312-324-1449
57765	Yalei Sun	650-843-7558
58533	Matthew Currie	617-951-8293
58729	Louis-Vu Nguyen	415-442-1303
58752	John Hemmer	215-963-4816
59462	Brad Wilson	312-324-1103
59649	Tae Woong Koo	650-843-7246
60472	M. Hales	714-830-0514
60711	Richard Leung	215-963-5082
61673	Albert Lee	714-830-0600
61841	Kenneth Cheney	714-830-0526
61944	Manita Rawat	650-843-7267
62741	Shaobin Zhu	206-839-4894
63115	Michael Ryan	610-574-1318
63133	Stephen Altieri	617-951-8525
63328	Clay Hawes	7034154864
64526	Janice Logan	202-439-5234
65210	Christina Macdougall	415-442-1277
65452	Kelly Plummer	312-324-1490
65592	Liying Sun	650-843-7215
66595	Daniel Tarr	215-963-4995
66838	Jianbai Wang	650-843-7843
66874	Bo Tang	832-380-4596
67084	Maria Doukas	312-324-1454
67908	Yingying Zhou	415-442-1214
67961	Tairan Wang	202-739-5119
68345	Danny Mansour	714-830-0600
68487	Alia Orbin	610-390-7234
69096	Toyomi Ohara	202-739-3000
69316	Byung Cheol Kwak	617-341-7264
69333	Hosang Lee	202-937-5142
70067	Sujohn Das	713-890-5792
70236	Kalpesh Upadhye	202-739-5157
70711	Benjamin Pezzner	650-843-4000
70871	Andrew Antczak	215-963-5000
71054	Yon Sohn	858-587-1121
71064	David Bernstein	650-843-4000
71076	Wan-Shoon Lo	312-984-5810
71397	Alexander Stein	650-843-7278
71751	Moreshwar Vaze	617-341-7952
71783	Nicholas Restauri	312-324-1000
72445	Jianke Kang	202-739-5183
73464	Hang Zheng	202-585-8307
73683	Amanda Williamson	312-324-1450
73696	Chantal Edde	215-963-5656
74139	Ka Lo Yeh	650-843-7815
74438	Nicholaus Floyd	713-890-5142
74539	Sadie Knight	415-442-1000
74630	Victor Ghidu	215-963-5719
74770	Pei Che Soon	120-273-95707
75253	Alyssa Pugh	215-963-5070
75470	Sara Sims	215-963-5630
75669	Andrew Dietrick	570-906-0745
75688	Emily Coury	617-341-7818
75724	Alexandra Koseva	650-843-7211
75810	Matthew Walker	206-274-6374
75815	Catherine Chou	650-843-4000
76003	Drew Bennett	617-341-7833
76140	Alexandria Petterson	650-843-7841
76203	Calvin Brien	202-739-5167
76671	Andrew Devkar	310-255-9070
77267	Ai Leen Koh	650-843-7823
77446	Theodore Rand	650-843-7275
77698	Phillip Wolfe	215-963-5454
77918	Alicia Fraind	215-972-8594
77996	Min Woo Park	202-673-95697
78072	Conor Ball	415-442-1668
78272	Sandhal Olds	765-618-4658
79029	Alexander Harrison	404-815-6046
79060	Kannan Narayanan	408-685-3658
79300	Evelyn Chou	415-442-1609
79663	Kathryn Chesnick	570-878-2384
79760	Xiaoqian Li	650-843-7853
79839	Peter Loderup	714-830-0517
79856	Timmy Lee	650-843-7517
80363	Yuqi Li	215-564-3236
80469	Alec Mandell	650-843-7228
80622	Corey Moore	617-341-7852
81009	Brandon Pongracz	815-579-0818
81040	Eunjean Je	202-739-5929
81210	Hayley Reed	215-963-4957
81433	Kurosu Altaf	650-843-7233
81482	Pablo Herrera Jr.	650-843-7512
81484	Samantha Kuo	714-579-5530
81826	Joyce Guo	650-843-7272
81935	Jia Jie Tang	617-951-8000
81982	Corine Martineau	215-963-5030
81997	Jennifer Patritti Cram	281-809-4108
82004	Isabella Couture	316-680-1931
82194	Avery Welker	713-890-5000
82338	Manu Bansal	716-400-3902
L1413	Xinming Zhang	415-442-1392

Proceeding Documents

Petitioner's Updated Mandatory Notices NOTICE

2026-10-14 FILING PARTY: PETITIONER

Download

2005

Ningde Amperex Tech. Exhibit No. 2005-Industrial Investment Sector Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2006

Ningde Amperex Tech. Exhibit No. 2006-Application Proof for Zhuhai Kingsware Artificial Intelligence Co., Ltd. Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2008

Ningde Amperex Tech. Exhibit No. 2008-Darts IP Report for Global Cases Involving Petitioner and PO Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

2009

Ningde Amperex Tech. Exhibit No. 2009-English Translation of CosMX 2026 Semi Annual Report Exhibit

2026-09-30 FILING PARTY: PATENT OWNER

Download

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

Proceeding Overview

Parties & Counsel

Petitioner

Zhuhai CosMX Battery Co., Ltd. et al.

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

Petitioner's Updated Mandatory Notices NOTICE

Ningde Amperex Tech. Exhibit No. 2005-Industrial Investment Sector Exhibit

Ningde Amperex Tech. Exhibit No. 2006-Application Proof for Zhuhai Kingsware Artificial Intelligence Co., Ltd. Exhibit

Ningde Amperex Tech. Exhibit No. 2008-Darts IP Report for Global Cases Involving Petitioner and PO Exhibit

Ningde Amperex Tech. Exhibit No. 2009-English Translation of CosMX 2026 Semi Annual Report Exhibit

Ningde Amperex Tech. Exhibit No. 2016-IPR2025-00389, Paper 8 Exhibit

Ningde Amperex Tech. Exhibit No. 2001-Civil Action No. 2:26-cv-00139, Third Texas Litigation Dismissal Exhibit

Ningde Amperex Tech. Exhibit No. 2022- Chinese battery makers ATL Exhibit

Ningde Amperex Tech. Exhibit No. 2017-IPR2025-00389, Paper 10 Exhibit

Ningde Amperex Tech. Exhibit No. 2015-IPR2025-00389, Paper 2 Exhibit

Ningde Amperex Tech. Exhibit No. 2021-English Translation of Chinese Patent Office First Search Opinion Dated July 3, 2020 Exhibit

Patent Owner's Discretionary Denial Brief RESPONSE

Ningde Amperex Tech. Exhibit No. 2004-History of Zhuhai Huafa Group Co., Ltd. Exhibit

Ningde Amperex Tech. Exhibit No. 2007-Docket Navigator Report for U.S. Cases Involving Petitioner and PO Exhibit

Ningde Amperex Tech. Exhibit No. 2018-European Patent Office English Translation of Description and Claims of Japanese Patent Pub. No. JP 2014225326A Exhibit

Ningde Amperex Tech. Exhibit No. 2013-English Translation of CosMX 2025 Semi Annual Report Exhibit

Ningde Amperex Tech. Exhibit No. 2003-Listing of Zhuhai Huafa Group Co., Ltd. Management Team Exhibit

Ningde Amperex Tech. Exhibit No. 2020-European Patent Office English Translation of Description and Claims of Chinese Patent Pub. No. CN110429328B Exhibit

Ningde Amperex Tech. Exhibit No. 2019-Case No. 2:24-cv-00728, Complaint Exhibit

Petitioner's Updated Mandatory Notices NOTICE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice filing date accorded to Petition NOTICE

EX1031 - 441 File History Exhibit

EX1037 - US20060003221 to Yeo Exhibit

EX1026 - US20110104539 to Oh Exhibit

EX1028 - 498 File History Part 1 Exhibit

EX1043 - US6423446 to Miyazaki Exhibit

EX1004 - von Sacken CV Exhibit

EX1005 - US20110111276 to Sato Exhibit

EX1021 - Lithium Plating Behavior in Lithium-ion Cells Exhibit

EX1039 - Kaschmitter Deposition Transcript - Feb. 20, 2026 Exhibit

EX1011 - JP2000-285902 to Mizutani Exhibit

EX1015 - US20070172736 to Fujikawa Exhibit

EX1028 - 498 File History Part 2 Exhibit

EX1023 - A Review on Lithium-Ion Batteries Safety Issues_ Existing Problems Exhibit

EX1028 - 498 File History Part 4 Exhibit

EX1033 - US20100178559 to Mao Exhibit

EX1025 - Complaint and Exhibit 9 Exhibit

EX1030 - 938 File History Exhibit

EX1029 - 081 File History Part 6 Exhibit

EX1028 - 498 File History Part 3 Exhibit

Petitioner's Power of Attorney NOTICE

EX1029 - 081 File History Part 4 Exhibit

EX1016 - JP2008-171593 to Aoki Exhibit

EX1012 - JP2003-68271 to Nakamura Exhibit

EX1001 - U.S. Patent No. 12,278,330 to Tao Exhibit

EX1035 - US20130101896A1 to Rich Exhibit

EX1010 - JPH11-26008 to Yamauchi Exhibit

EX1038 - US20130244073A1 to Fujimoto Exhibit

EX1040 - US20050003264A1 to Oh Exhibit

EX1006 - JP2000-67907 to Takemura Exhibit

EX1024 - Complaint and Exhibit N Exhibit

EX1022 - Material and Design Options for Avoiding Lithium Plating Exhibit

EX1029 - 081 File History Part 3 Exhibit

EX1029 - 081 File History Part 5 Exhibit

EX1017 - US20100035144 to Oh Exhibit

EX1013 - JP2007-165224 to Yoneda Exhibit

EX1020 - Effects of Electrolyte Composition on Lithium Plating in Lithium Exhibit

EX1008 - JP2010-55906 to Kobayashi Exhibit

EX1042 - US20140120258A1 to Anderson Exhibit

Petition for Inter Partes Review of U.S. Patent No. 12,278,330 PETITION

EX1036 - US20110136000 to Moon Exhibit

EX1019 - Lithium Ion Battery Anode Aging Mechanisms Exhibit

EX1029 - 081 File History Part 7 Exhibit