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

Explore the PTAB proceeding IPR2025-00524 filed by Zhuhai CosMX Battery Co., Ltd. on 2025-04-02. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00524

Filing Date

2025-04-02

Accorded Filing Date

2025-05-02

Institution Decision Date

2025-10-24

Last Modified Date

2026-06-26

Proceeding Type

IPR

Termination Date

2026-06-26

Trial Status

Terminated-Settled

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 17707137

Respondent Patent Number 12015118

External Links

Espacenet

Google Patents

Respondent Inventor Chaowang LIN 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

132

Termination Decision: Post-DI Settlement TERMINATE

2026-06-26 FILING PARTY: BOARD

Download

1101

EX1101 - Stipulation of Dismissal Exhibit

2026-06-15 FILING PARTY: PETITIONER

Download

Joint Motion to Terminate MOTION

2026-06-15 FILING PARTY: PETITIONER

Download

Joint Request to Keep Settlement Agreement Confidential OTHER

2026-06-15 FILING PARTY: PETITIONER

Download

Notice of Joint Stipulation to Modify Due Date 3 NOTICE

2026-05-29 FILING PARTY: PATENT OWNER

Download

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

Termination Decision: Post-DI Settlement TERMINATE

EX1101 - Stipulation of Dismissal Exhibit

Joint Motion to Terminate MOTION

Joint Request to Keep Settlement Agreement Confidential OTHER

Notice of Joint Stipulation to Modify Due Date 3 NOTICE

Panel Change Order ORDER

Patent Owner's Objections to Evidence Submitted with Petitioner's Reply OTHER

EX1043 - Pushnov Exhibit

Petitioner's Reply REPLYTOOPP

EX1040 - Carbon Black Exhibit

EX1045 - Oljaca Exhibit

EX1044 - Akimoto et al. Exhibit

EX1034 - Explanation of Data Reported by Microtrac Instruments Exhibit

EX1038 - Bluewave Exhibit

EX1042 - TDS KYNAR® HSV 302 POWDER Exhibit

EX1031 - Particle size distribution Anton Paar Wiki Exhibit

EX1041 - Solef PVDF Typical Properties Exhibit

EX1039 - Kim Exhibit

EX1036 - Wheeler Deposition Transcript (2026-03-30) Exhibit

EX1037 - Supplemental Declaration of Dr. Samuel Gido Exhibit

EX1032 - ISO 13320_2009 - Particle size analysis — Laser diffraction methods Exhibit

EX1033 - Top 10 errors in particle analysis and how to avoid them Exhibit

Petitioner's Notice of Deposition NOTICE

Notice of Joint Stipulation to Modify Due Dates 2 and 3 NOTICE

Patent Owner's Updated Exhibit List NOTICE

Ningde Amperex Tech. Exhibit No. 2059-Claim Construction Order ED TX Exhibit

Patent Owner's Updated Mandatory Notices NOTICE

Petitioner's Objections to Evidence OTHER

Ningde Amperex Tech. Exhibit No. 2053-User's Manual dated September 2019 for the Beckman Coulter LS 13 320 Exhibit

Patent Owner's Response RESPONSE

Ningde Amperex Tech. Exhibit No. 2050-Deposition Transcript of Samuel Gido, Ph.D., dated January 12, 2026 Exhibit

Ningde Amperex Tech. Exhibit No. 2051-Product data sheet for the MicroTrac Particle Size Analyzer S3500 Exhibit

Ningde Amperex Tech. Exhibit No. 2055-U.S. Patent Publication No. US 2024/0291110 A1 Exhibit

Ningde Amperex Tech. Exhibit No. 2048-Yang, S., High Tap Density Spherical Li Exhibit

Ningde Amperex Tech. Exhibit No. 2046-U.S. Patent Publication No. US 2021/0214234 A1 Exhibit

Ningde Amperex Tech. Exhibit No. 2057-H. Zheng, A comprehensive understanding of electrode thickness effects Exhibit

Ningde Amperex Tech. Exhibit No. 2054-User's Manual dated October 2011 for the Beckman Coulter LS 13 320 Exhibit

Ningde Amperex Tech. Exhibit No. 2045-Zhuhai CosMX Battery Co., Ltd.'s Responsive Claim Construction Brief Exhibit

Ningde Amperex Tech. Exhibit No. 2047-U.S. Patent Publication No. 2022/0403062 A1 Exhibit

Ningde Amperex Tech. Exhibit No. 2058-Supplemental Declaration of Dean R. Wheeler, Ph.D. Exhibit

Ningde Amperex Tech. Exhibit No. 2056-M. Nikpour, Li-ion Electrode Microstructure Evolution Exhibit

Ningde Amperex Tech. Exhibit No. 2052-U.S. Patent Publication No. US 2016/0326003 A1 Exhibit

Ningde Amperex Tech. Exhibit No. 2049- Zhang J, Investigation on mechanical and microstructural evolution Exhibit

ORDER Conditional Pro Hac Vice Admission of BRADY COX 37 C.F.R. § 42.10 ORDER

Patent Owner's Notice of Intent to Designate Provisionally Recognized PTAB Attorney Brady Cox NOTICE

Ningde Amperex Tech. Exhibit No. 2044-Declaration of Brady Cox Exhibit

Patent Owner's Notice of Deposition of Dr. Samuel Gido NOTICE

Notice of Stipulation Regarding Scheduling Order NOTICE

Order Granting Director Review, Affirming-in-Part and Vacating-in-Part the Decision Granting Institution, and Maintaining Institution of Inter Partes Review DECISION

Petitioner's Opposition to Patent Owner's Request for Director Review OTHER

Exhibit 3100 Exhibit

Petitioner's Objections to Evidence OTHER

Ningde Amperex Tech. Exhibit No. 2041-CosMX Amended Exhibit 118-19 Exhibit

Ningde Amperex Tech. Exhibit No. 2042-U.S. Patent Pub. No. 2021/0214234 Exhibit

Patent Owner's Objections to Evidence OTHER

Patent Owner's Request for Director Review REQUEST

Ningde Amperex Tech. Exhibit No. 2043-U.S. Patent Pub. No. 2022/0403062 Exhibit

Ex. 3003 Hutin Exhibit

Institution Decision: Grant DECISION

Ex. 3002 Nail Penetration Test Exhibit

Order: Scheduling Order ORDER

Director Discretionary Decision: Refer RESPONSE

Email Correspondence Exhibit

Ningde Amperex Tech. Exhibit No. 2018- Laser diffraction for particle sizing Exhibit

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