JinkoSolar Co., Ltd. et al. vs. LONGi Green Energy Technology Co. Ltd. et al.

Explore the PTAB proceeding IPR2025-00859 filed by JinkoSolar Co., Ltd. et al. on 2025-04-18. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00859

Filing Date

2025-04-18

Accorded Filing Date

2025-04-18

Institution Decision Date

2025-09-03

Last Modified Date

2025-10-04

Proceeding Type

IPR

Termination Date

2025-09-03

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

JinkoSolar Co., Ltd. et al.

Represented By

Weidenfeller, Scottet al

Patent Owner / Respondent

LONGi Green Energy Technology Co. Ltd. et al.

Represented By

Tiu, Samuelet 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 13806793

Respondent Patent Number 9515214

External Links

Espacenet

Google Patents

Respondent Inventor Koji Shimasaki et al

Respondent Tech Center TC 1700 - Chemical & Materials Engineering

Address and Attorney/Agent Information

40 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name BUCHANAN, INGERSOLL & ROONEY PC

Customer Number 21839

Address 1700 K St. N.W., Suite 300, Washington, DC, 20006-3807, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
28531	Robert Mukai	--
28632	James Labarre	703-838-6620
29362	Lynn Alstadt	412-562-1632
30888	William Rowland	703-838-6510
31917	Peter Skiff	703-838-6560
32216	Michael Dever	412-562-1637
32814	Matthew Schneider	703-838-6570
32858	Patrick Keane	703-836-6620
33539	Glenn Murphy	302-778-3462
34040	Todd Walters	703-836-6620
35619	James Moore	302-552-4212
36958	Carla Vrsansky	412-562-1639
38040	Joshua Cohen	610-407-0700
38983	Kirk Nuzum	619-239-0871
40751	Bryan Opalko	412-562-1893
41712	Rex Donnelly	302-778-3460
46317	Roger Lee	703-838-6545
48290	Ling Zhong	610-407-0700
51522	Shawn Cage	703-299-6882
54468	Duane Stewart Iii	412-562-1622
55179	Ralph Fischer	202 756-8087
56047	Brett Rosen	610-407-0700
60361	Peter Devore	703-838-6544
61386	Matthew Fedowitz	703-838-6694
63924	Robert Wagner	412-562-8800
67063	Mythili Markowski	202-452-7314
68577	Andrew Cheslock	703-838-6523
69615	Jason Camillo	412-443-7769
70379	James Wilcox	703-836-6620
70504	Grant Shackelford	703-836-6620
71344	Tanya Gaylord	610-993-4216
74167	Zhibin Li	646-217-7897
78146	Kathleen Pointon	412-562-1548
78467	Brandon Drennen	573-619-7036
79148	Samuel Harrod	412-562-8805
79682	Michael Stephenson	412-562-1538
81563	Shayne Janne Jossef Rasay	610-407-0700
81743	Chen He	703-838-6503
82079	Virginia Henrici	703-838-6512
82445	Matthew Hauser	412-355-6250

Proceeding Documents

Notice: refund approved NOTICE

2025-09-16 FILING PARTY: BOARD

Download

Petitioner's Request for Refund OTHER

2025-09-15 FILING PARTY: PETITIONER

Download

Director Discretionary Decision: Deny RESPONSE

2025-09-03 FILING PARTY: BOARD

Download

1023

Ex. 1023 Assignment for U.S. Patent No. 9,515,214 Exhibit

2025-08-21 FILING PARTY: PETITIONER

Download

Petitioner's Updated Table of Exhibits NOTICE

2025-08-21 FILING PARTY: PETITIONER

Download

JinkoSolar Co., Ltd. et al. vs. LONGi Green Energy Technology Co. Ltd. et al.

Proceeding Overview

Parties & Counsel

Petitioner

JinkoSolar Co., Ltd. et al.

Represented By

Patent Owner / Respondent

LONGi Green Energy Technology Co. Ltd. et al.

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

Director Discretionary Decision: Deny RESPONSE

Ex. 1023 Assignment for U.S. Patent No. 9,515,214 Exhibit

Petitioner's Updated Table of Exhibits NOTICE

Petitioner's Opposition to Request for Discretionary Denial of Institution RESPONSE

Patent Owner's Preliminary Response POPR

Plaintiffs’ First Amended Complaint for Patent Infringement, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25-CV-00048-JRG-RSP (E.D. Tex. May 7, 2025), Dkt. 36 Exhibit

Order Denying Motion to Dismiss, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25-CV-00048-JRG-RSP (E.D. Tex. June 25, 2025), Dkt. 54 Exhibit

Study to Establish Criteria for a Solar Cell Array for Use as a Primary Power Source for a Lunar-Based Water Electrolysis System, Phase 4 – NASA Technical Reports Server Exhibit

Report and Recommendation Denying Motion to Dismiss, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25- CV-00048-JRG-RSP (E.D. Tex. Apr. 27, 2025), Dkt. 35 Exhibit

CN2013106925694 2016.05.04 First Search from register.epo.org Exhibit

Motion Success for Judge Rodney Gilstrap’s Motion for Stay Pending IPR (Post-Institution) Exhibit

CN 104716225A Exhibit

Defendants’ P.R..3-3 and 3-4 Invalidity Contentions and Disclosures, LONGi Green Energy Tech. Co. Ltd. v. Jinko Solar Co., Ltd., No. 2:25-CV-00048-JRG-RSP (E.D. Tex. July 9, 2025) Exhibit

First Amended Docket Control Order, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25-CV-00048-JRG-RSP (E.D. Tex. June 16, 2025), Dkt. 48 Exhibit

Espacenet – CN104716225A Exhibit

Motion Success for Judge Rodney Gilstrap’s Motion for Stay Pending IPR (Pre-Institution) Exhibit

European Patent Register Global Dossier – CN201310692569 (application of CN104716225A) Exhibit

Order Adopting Report and Recommendation, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25-CV- 00048-JRG-RSP (E.D. Tex. July 15, 2025), Dkt. 57 Exhibit

Patent Owner's Request For Discretionary Denial Of Institution RESPONSE

Judge Rodney Gilstrap’s Time to Milestones including Jury Trial for cases filed on or after Jan. 1, 2020 Exhibit

Report and Recommendation Denying Renewed Motion to Dismiss, LONGi Green Energy Tech. Co. Ltd., v. Jinko Solar Co., Ltd., No. 2:25-CV-00048-JRG-RSP (E.D. Tex. June 27, 2025), Dkt. 55 Exhibit

Study to Establish Criteria for a Solar Cell Array for Use as a Primary Power Source for a Lunar-Based Water Electrolysis System, Phase 1 Final Technical Report – NASA Technical Reports Server Exhibit

Notice: Notice filing date accorded NOTICE

Patent Owner's Power of Attorney NOTICE

Patent Owner's Mandatory Notice NOTICE

Ex. 1006 JP07106619A (Maehane) Exhibit

Ex. 1014 Cunningham et al., Reaching Grid Parity Using Exhibit

Petitioner Power of Attorney NOTICE

Ex. 1008 CN 201171051 Y (Zhang) Exhibit

Ex. 1021 Photovoltaic Solar Energy Generation (2005) Exhibit

Ex. 1002 US9515214 File History Exhibit

Ex. 1005 Certified Translation JP07106619A (Maehane) Exhibit

Ex. 1017 Solar Cell Array Design Handbook Exhibit

Ex. 1020 EP1564816A1 Exhibit

Ex. 1007 Certified Translation CN 201171051 Y (Zhang) Exhibit

Ex. 1019 Gillanders, Pilot Production and Testing Exhibit

Ex. 1015 US8709154 Exhibit

Ex. 1010 IN1260KOL2008 (Ravi260) Exhibit

Ex. 1009 IN1328KOL2007 (Ravi328) Exhibit

Ex. 1022 US7951640 Exhibit

Ex. 1011 US20070295381A1 (Fujii) Exhibit

Petition: as filed PETITION

Ex. 1004 Boretz et al., Study to Establish Criteria (1971) Exhibit

Ex. 1003 Declaration of Dr. Toliyat (214 Patent) Exhibit

Ex. 1001 US9515214 Exhibit

Ex. 1016 EP1796177A1 Exhibit

Ex. 1012 Krishnamurthy, Dynamic Modelling of CubeSat (2008) Exhibit

Ex. 1018 US8871169 Exhibit

Ex. 1013 Solar Cells 2005 72-79 Exhibit