Eoptolink Technology USA Inc. et al. vs. Applied Optoelectronics, Inc.

Explore the PTAB proceeding IPR2026-00094 filed by Eoptolink Technology USA Inc. et al. on 2025-11-05. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2026-00094

Filing Date

2025-11-05

Accorded Filing Date

2025-11-05

Institution Decision Date

2026-04-01

Last Modified Date

2026-09-10

Proceeding Type

IPR

Termination Date

—

Trial Status

Trial Instituted

Parties & Counsel

Petitioner

Eoptolink Technology USA 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 16153685

Respondent Patent Number 10578818

External Links

Espacenet

Google Patents

Respondent Inventor Yu CHEN 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 Secant IP

Customer Number 32047

Address 55 SOUTH COMMERCIAL STREET, MANCHESTER, NH, 03101, 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

Panel Change Order ORDER

2026-07-13 FILING PARTY: BOARD

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2006

Exh. 2006 Exhibit

2026-06-24 FILING PARTY: PATENT OWNER

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PO Response to Petition RESPONSE

2026-06-24 FILING PARTY: PATENT OWNER

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2007

Exh. 2007 Exhibit

2026-06-24 FILING PARTY: PATENT OWNER

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Order: SCHEDULING ORDER ORDER

2026-04-13 FILING PARTY: BOARD

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Eoptolink Technology USA Inc. et al. vs. Applied Optoelectronics, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Eoptolink Technology USA 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

Panel Change Order ORDER

Exh. 2006 Exhibit

PO Response to Petition RESPONSE

Exh. 2007 Exhibit

Order: SCHEDULING ORDER ORDER

Institution Decision: Grant DECISION

Director Discretionary Decision: Refer RESPONSE

Director Discretionary Decision: Refer RESPONSE

EX1009 - Chinese Patent Publication No. CN107907948A to Feng et al., published April 13, 2018, and including English translation Exhibit

EX1012 - Order Granting Joint Administrative Motion to Stay in the Eoptolink Litigation, dated Jan. 13, 2026 Exhibit

EX1010 - U.S. Patent Publication No. 2011/0081114A1 to Togami et al., published April 7, 2011 Exhibit

EX1008 - Chinese Patent Publication No. CN109856733A to Chen et al., published June 7, 2019, and including English translation Exhibit

EX1011 - Joint Administrative Motion to Stay Pending IPR Institution Decisions, filed Dec. 5, 2025, in Case No. 5:24-cv-08165-NW Exhibit

EX1013 - Declaration of Dirk Lutz Exhibit

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

AOI'S REQUEST FOR DISCRETIONARY DENIAL RESPONSE

Ex. 2004 Exhibit

Ex. 2003 Exhibit

Ex. 2005 Exhibit

Ex. 2001 Exhibit

Ex. 2002 Exhibit

Petitioner's Stipulation OTHER

Notice: Mandatory Notice NOTICE

Notice: Power of Attorney NOTICE

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

EX1006 - U.S. Patent Publication No. 2017/0363828 Exhibit

EX1004 - U.S. Patent Publication No. 2014/0104808 Exhibit

EX1003 - U.S. Patent Publication No. 2015/0263453 Exhibit

Notice: Power of Attorney NOTICE

EX1001 - U.S. Patent No. 10,578,818 Exhibit

EX1005 - U.S. Patent No. 9,523,826 Exhibit

Petition: as filed PETITION

EX1007 - Declaration of Dr. Michael Lebby Exhibit

EX1002 - Prosecution History of the ’818 patent Exhibit