Accelight Technologies, Inc. et al. vs. APPLIED OPTOELECTRONICS, INC.

Explore the PTAB proceeding IPR2026-00019 filed by Accelight Technologies, Inc. et al. on 2025-10-10. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00019

Filing Date

2025-10-10

Accorded Filing Date

2025-10-10

Institution Decision Date

2026-02-03

Last Modified Date

2026-03-06

Proceeding Type

IPR

Termination Date

2026-02-03

Trial Status

Discretionary Denial

Parties & Counsel

Petitioner

Accelight Technologies, Inc. et al.

Represented By

Bhattacharyya, Arpitaet al

Patent Owner / Respondent

APPLIED OPTOELECTRONICS, INC.

Represented By

Carothers, Joet 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 14883970

Respondent Patent Number 9448367

External Links

Espacenet

Google Patents

Respondent Inventor I-Lung HO et al

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

Address and Attorney/Agent Information

11 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name APPLIED OPTOELECTRONICS, INC.

Customer Number 27543

Address 13115 JESS PIRTLE BLVD., SUGAR LAND, TX, 77478, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
36384	Kevin Carroll	603-668-6560
37657	Norman Kinsella	713-416-0006
37896	Paul Nagy	503-439-6500
40126	Donald Perreault	603-668-6560
41252	Edmund Pfleger	603-668-6560
43256	Calvin Wells	503-439-6500
46767	Angel Herrera Jr	512-900-8500
48468	Mark Kendrick	818-905-3211
51902	Paul Kroon Jr	603-668-6560
64691	Oleg Salakhov	206-423-6670
71930	Zachary Cody	603-668-6560

Proceeding Documents

Notice: refund approved NOTICE

2026-02-19 FILING PARTY: BOARD

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Petitioners' Request for Refund OTHER

2026-02-11 FILING PARTY: PETITIONER

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Director Discretionary Decision: Deny RESPONSE

2026-02-03 FILING PARTY: BOARD

Download

1013

EX1013 - Complaint Exhibit

2026-01-16 FILING PARTY: PETITIONER

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1015

EX1015 - Joint Administrative Motion to Stay Pending IPR Institution Decisions Exhibit

2026-01-16 FILING PARTY: PETITIONER

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Accelight Technologies, Inc. et al. vs. APPLIED OPTOELECTRONICS, INC.

Proceeding Overview

Parties & Counsel

Petitioner

Accelight Technologies, Inc. et al.

Represented By

Patent Owner / Respondent

APPLIED OPTOELECTRONICS, INC.

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Notice: refund approved NOTICE

Petitioners' Request for Refund OTHER

Director Discretionary Decision: Deny RESPONSE

EX1013 - Complaint Exhibit

EX1015 - Joint Administrative Motion to Stay Pending IPR Institution Decisions Exhibit

EX1014 - Information Disclosure Statement Exhibit

EX1016 - Joint Administrative Motion to Stay Pending IPR Institution Decisions Exhibit

PO Preliminary Response POPR

EX1012 - Complaint Exhibit

Declaration of Willner Exhibit

Petitioners' Opposition to Patent Owner's Request for Discretionary Denial RESPONSE

EX1017 - Order Granting Joint Administrative Motion to Stay in the Eoptolink Litigation Exhibit

Order Granting Stip to Stay Exhibit

PTAB Memo re Interim Processes Exhibit

ATI's Invalidity Contentions Exhibit

Acting Director Stewart's 7_31_25 Memorandum Exhibit

Defendant Eoptolink Technology USA_ Inc.'s Invalidity Contentions Exhibit

Director Squires' Memorandum re Institution of AIA Trial Proceeding Exhibit

Scheduling Order Exhibit

PTO Director's Nov. 17_ 2025 Memo re Voluntary Search Disclosures Exhibit

Scheduling Order Exhibit

AOI'S REQUEST FOR DISCRETIONARY DENIAL RESPONSE

Petitioner Accelight Technology Inc.'s Stipulation OTHER

Petitioner Eoptolink Technology USA Inc.'s Stipulation OTHER

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

Notice: Power of Attorney - Accelight Technologies, Inc. NOTICE

EX1005 - U.S. Patent No. 7,458,733 Exhibit

EX1004 - U.S. Patent Publication No. 2006/0215970 Exhibit

EX1001 - U.S. Patent No. 9,448,367 Exhibit

EX1009 - The SFF Committee’s INF-8074i Specification for SFP Exhibit

EX1008 - Certified English translation of Jap. Pat. Pub. No. 2005-269474 Exhibit

EX1010 - IEC 61754-20 Exhibit

EX1007 - U.S. Patent Publication No. 2009/0010600 Exhibit

EX1003 - Declaration of Dr. Michael Lebby Exhibit

Notice: Power of Attorney - Eoptolink Technology USA Inc. NOTICE

Petition: as filed PETITION

EX1011 - Japanese Patent Publication No. 2005-269474 Exhibit

EX1006 - U.S. Patent No. 6,579,013 Exhibit

EX1002 - Prosecution History of the ’367 patent Exhibit