Samsung Display Co., Ltd. vs. Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Explore the PTAB proceeding IPR2026-00485 filed by Samsung Display Co., Ltd. on 2026-09-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00485

Filing Date

2026-09-17

Accorded Filing Date

2026-09-17

Institution Decision Date

—

Last Modified Date

2026-10-13

Proceeding Type

IPR

Termination Date

—

Trial Status

Pending

Parties & Counsel

Petitioner

Samsung Display Co., Ltd.

Represented By

HABER, BENJAMINet al

Patent Owner / Respondent

Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Represented By

Shapiro, Jasonet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 2800 - Semiconductors, Electrical & Optical Systems

Patent Information

1 Patent Involved

Respondent Application Number 16309113

Respondent Patent Number 11257891

External Links

Espacenet

Google Patents

Respondent Inventor Shijuan YI

Respondent Tech Center TC 2800 - Semiconductors, Electrical & Optical Systems

Address and Attorney/Agent Information

3 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name SOROKER NORDMAN RIBA - ADVOCATES AND PATENT ATTORNEYS

Customer Number 67305

Address 8 Hahoshlim Street, P.O. Box 12425, HERZLIYA, 4672408, ISRAEL

Attorney / Agent Information

Reg #	Name	Phone
59537	Daniel Schatz	212-999-6180
76335	Sharone Godesh	972-9-9-50-7000
81913	Liat Lin	972-995-07000

Proceeding Documents

Notice: Mandatory Notice NOTICE

2026-10-08 FILING PARTY: PATENT OWNER

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Notice: Power of Attorney NOTICE

2026-10-08 FILING PARTY: PATENT OWNER

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Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

2026-09-22 FILING PARTY: BOARD

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1025

U.S. Patent No. 10,424,631 to Kim (“Kim’631”) Exhibit

2026-09-17 FILING PARTY: PETITIONER

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1022

U.S. Patent No. 12,238,996 to Park (“Park’996”) Exhibit

2026-09-17 FILING PARTY: PETITIONER

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Samsung Display Co., Ltd. vs. Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Proceeding Overview

Parties & Counsel

Petitioner

Samsung Display Co., Ltd.

Represented By

Patent Owner / Respondent

Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

Notice: NOTICE OF FILING DATE ACCORDED TO PETITION AND TIME FOR FILING PATENT OWNER PRELIMINARY RESPONSE NOTICE

U.S. Patent No. 10,424,631 to Kim (“Kim’631”) Exhibit

U.S. Patent No. 12,238,996 to Park (“Park’996”) Exhibit

U.S. Patent No. 9,356,087 to Kee (“Lee’087”) Exhibit

Declaration of Dr. Michael Lebby Exhibit

Korean Patent Publication No. 2017-0103740 Exhibit

Chinese Patent No. 205140985U Exhibit

Gregory P. Crawford, Flexible Flat Panel Displays (2005) Exhibit

Petition for Inter Partes Review of U.S. Patent No. 11,257,891 PETITION

U.S. Patent No. 10,651,261 (“Kang’261”) Exhibit

Certified translation of Korean Patent Publication No. 2017-0103740 Exhibit

U.S. Patent No. 9,349,758 to Ki (“Ki”) Exhibit

U.S. Patent Publication No. 2018/0337226 to Liu (“Liu’226”) Exhibit

U.S. Patent Publication No. 2017/0358641 to Park (“Park’641”) Exhibit

U.S. Patent Publication No. 2015/0382446 to Kwon (“Kwon’446”) Exhibit

Curriculum Vitae of Dr. Michael Lebby Exhibit

Petitioner Samsung Display Co., Ltd.'s Power of Attorney NOTICE

U.S. Patent Publication No. 2018/0204895 to Lin (“Lin’895”) Exhibit

U.S. Patent No. 10,803,792 to Kim (“Kim’792”) Exhibit

WIPO Publication No. 2017/177127A1 to Shyu (“Shyu”) Exhibit

U.S. Patent No. 9,780,157 (“Kwon”) Exhibit

U.S. Patent Publication No. 2017-0287937 (“Ka”) Exhibit

U.S. Patent Publication No. 2015/0187279 to Lee (“Lee’279”) Exhibit

U.S. Patent No. 9,627,463 to Kwon (“Kwon’463”) Exhibit

Prosecution History of U.S. Patent No. 11,257,891 Exhibit

U.S. Patent No. 11,257,891 (“the ’891 Patent”) Exhibit

Claim mapping table for the ’891 Patent Exhibit

U.S. Patent No. 10,762,838 to Kang (“Kang’838”) Exhibit