Cambridge Industries USA Inc. et al. vs. Applied Optoelectronics, Inc.

Explore the PTAB proceeding IPR2025-00435 filed by Cambridge Industries USA Inc. et al. on 2025-01-17. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2025-00435

Filing Date

2025-01-17

Accorded Filing Date

2025-01-17

Institution Decision Date

2025-06-27

Last Modified Date

2026-04-03

Proceeding Type

IPR

Termination Date

2025-06-27

Trial Status

Pending Director Review

Parties & Counsel

Petitioner

Cambridge Industries USA Inc. et al.

Represented By

PISANO, NICOLAet 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

Petitioner's Request for refund of pre-institution fees OTHER

2026-04-03 FILING PARTY: PETITIONER

Download

Notice: refund approved NOTICE

2026-03-31 FILING PARTY: BOARD

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Petitioner's Request for Refund OTHER

2026-03-25 FILING PARTY: PETITIONER

Download

Order Denying Director Review of Institution Decision REHEARING

2025-08-21 FILING PARTY: BOARD

Download

Authorized Response to Director Review Request OTHER

2025-07-29 FILING PARTY: PATENT OWNER

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Cambridge Industries USA Inc. et al. vs. Applied Optoelectronics, Inc.

Proceeding Overview

Parties & Counsel

Petitioner

Cambridge Industries 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

Petitioner's Request for refund of pre-institution fees OTHER

Notice: refund approved NOTICE

Petitioner's Request for Refund OTHER

Order Denying Director Review of Institution Decision REHEARING

Authorized Response to Director Review Request OTHER

Ex. 3100 Counsel email for Authorized Response Exhibit

Request for Director Rehearing REQUEST

Pisano Declaration (rehearing) Exhibit

Director Discretionary Decision: Deny RESPONSE

Director Discretionary Decision: Deny RESPONSE

Patent Owner's Reply Claim Construction Brief Exhibit

Petitioner's Opposition to Discretionary Denial Brief RESPONSE

Pisano Declaration Exhibit

Interim Process FAQs Exhibit

Ex. 2003 Exhibit

Ex. 2001 Exhibit

Ex. 2002 Exhibit

PO Discretionary Denial Brief RESPONSE

Notice: Power of Attorney NOTICE

Notice: Mandatory Notice NOTICE

NOTICE ACCEPTING CORRECTED PETITION NOTICE

Response to Correct Defect NOTICE

Notice: defective petition NOTICE

Scheduling Order in District Court Litigation Exhibit

Shen provisional application Exhibit

JP 2003-215371 - Sasaki Exhibit

Power of Attorney NOTICE

Excerpt from Infringement Chart in District Court Litigation Exhibit

English translation of JP 20023-215371 - Sasaki Exhibit

'116 Patent Image File Wrapper Exhibit

Declaration of Dr. Andrew Kirk Exhibit

Curriculum Vitae of Dr. Andrew Kirk Exhibit

Claim Construction Statement Exhibit

U.S. Patent No. 10,042,116 Exhibit

U.S. Patent No. 4,978,193 - Tomita Exhibit

English translation of JP 2012034314A - Kanazawa Exhibit

U.S. Patent No. 5,351,327 - Lurie Exhibit

JP 2012034314A - Kanazawa Exhibit

US20160349451A1 - Shen Exhibit

U.S. Patent No. 9,768,901 - Soldano Exhibit

Petition: as filed PETITION