Eoptolink Technology USA Inc. et al. vs. Applied Optoelectronics, Inc.
Explore the PTAB proceeding IPR2026-00123 filed by Eoptolink Technology USA Inc. et al. on 2025-12-01. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.
Proceeding Overview
Proceeding Number
IPR2026-00123
Filing Date
2025-12-01
Accorded Filing Date
2025-12-01
Institution Decision Date
2026-05-06
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 alPatent Owner / Respondent
Applied Optoelectronics, Inc.
Represented By
Carothers, Joet alTribunal & Venue
Tribunal
Patent Trial and Appeal Board (USPTO)
Technology Center
TC 2600 - Communications
Patent Information
Respondent Application Number
16737438
Respondent Patent Number
11177887
External Links
Respondent Inventor
Kai-Sheng LIN et al
Respondent Tech Center
TC 2600 - Communications
Address and Attorney/Agent Information
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 |
Proceeding Documents
21
12
PO Response RESPONSE
2026-08-17
FILING PARTY: PATENT OWNER
2002
Exh. 2002 Exhibit
2026-08-17
FILING PARTY: PATENT OWNER
11
AOI'S NOTICE OF JOINT STIPULATION TO ADJUST SCHEDULING ORDER OTHER
2026-07-28
FILING PARTY: PATENT OWNER
10
SCHEDULING ORDER ORDER
2026-07-23
FILING PARTY: BOARD
9
Institution Decision: Grant DECISION
2026-05-06
FILING PARTY: BOARD