Accelight Technologies, Inc. et al. vs. Applied Optoelectronics, Inc.

Explore the PTAB proceeding IPR2025-01566 filed by Accelight Technologies, Inc. et al. on 2025-09-26. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-01566

Filing Date

2025-09-26

Accorded Filing Date

2025-09-26

Institution Decision Date

2026-03-17

Last Modified Date

2026-09-10

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

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 2600 - Communications

Patent Information

1 Patent Involved

Respondent Application Number 15137823

Respondent Patent Number 10042116

External Links

Espacenet

Google Patents

Respondent Inventor I-Lung HO et al

Respondent Tech Center TC 2600 - Communications

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

1023

EX1023 - Alan Willner Deposition Transcript Exhibit

2026-09-01 FILING PARTY: PETITIONER

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Petitioner's Reply to Patent Owner's Response REPLYTOOPP

2026-09-01 FILING PARTY: PETITIONER

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Petitioner's Updated Mandatory Notices NOTICE

2026-07-22 FILING PARTY: PETITIONER

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Petitioner's Notice of Deposition of Alan Willner, Ph.D. NOTICE

2026-07-22 FILING PARTY: PETITIONER

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Panel Change Order ORDER

2026-07-13 FILING PARTY: BOARD

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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

EX1023 - Alan Willner Deposition Transcript Exhibit

Petitioner's Reply to Patent Owner's Response REPLYTOOPP

Petitioner's Updated Mandatory Notices NOTICE

Petitioner's Notice of Deposition of Alan Willner, Ph.D. NOTICE

Panel Change Order ORDER

Panel Change Order ORDER

PO Response RESPONSE

Ex. 2010 Exhibit

Ex. 2011 Exhibit

CASE MANAGEMENT AND SCHEDULING ORDER 37 C.F.R. § 42.5 ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

EX1022 - Declaration of William D. Sterling Exhibit

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

EX1015 - Time to Milestones for N.D. California Exhibit

EX1021 - Complaint Exhibit

EX1020 - Joint Administrative Motion to Stay Pending IPR Institution Decisions Exhibit

EX1014 - Petitioner’s Opposition to Patent Owner’s Request for Discretionary Denial of Institution in IPR2025-00435 Exhibit

EX1013 - Joint Case Management Statement Exhibit

EX1016 - Petition for Inter Partes Review in IPR2025-01567 Exhibit

EX1018 - U.S. Patent No. 9,509,433 Exhibit

EX1017 - U.S. Patent No. 10,379,301 Exhibit

EX1019 - Patent Owner’s Request to Director for Discretionary Denial of Institution of Petition for Inter Partes Review in IPR2025-00435 Exhibit

Ex. 2007 Exhibit

PO Discretionary Denial Brief RESPONSE

Ex. 2006 Exhibit

Ex. 2004 Exhibit

Ex. 2001 Exhibit

Ex. 2005 Exhibit

Ex. 2009 Exhibit

Ex. 2002 Exhibit

Ex. 2003 Exhibit

Ex. 2008 Exhibit

Petitioner's Updated Exhibit List NOTICE

Petitioner's Motion to Seal and Request for In Camera Review MOTION

Petitioner's Stipulation OTHER

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

Notice: Notice filing date accorded NOTICE

EX1001 Exhibit

EX1002 - Part 1 Exhibit

Petition: as filed PETITION

EX1007 Exhibit

EX1005 Exhibit

EX1008 Exhibit

EX1004 Exhibit

EX1002 - Part 3 Exhibit

EX1009 Exhibit

EX1003 Exhibit

EX1010 Exhibit

Notice: Power of Attorney NOTICE

EX1002 - Part 2 Exhibit

EX1006 Exhibit

EX1011 Exhibit

EX1002 - Part 4 Exhibit