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90/016,225OPTICAL ISOLATOR ARRAY FOR USE IN AN OPTICAL SUBASSEMBLY MODULE10,788,690Open

Status

Reexam - Request Ready for Ex Parte Action

Filed

Apr 30, 2026

Pre-Order Paper

Filed May 29, 2026

Last Updated

Oct 7, 2026

Art Unit

3992

Requester Law Firm

Perkins Coie LLP

Requested By

Third Party

Patent Owner Law Firm

Owner hasn't filed yet

Sector (CPC)

GPhysics & Instruments
G02Optics
G02FOptical Logic & Switching

USPC

359Optical: Systems And Elements

Reexam History (26 events)

Oct 7, 2026RXFWDXDate Forwarded to Examiner
Oct 2, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jul 28, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 25, 2026IDSCInformation Disclosure Statement considered
Jun 18, 2026RXPTDIReexam Petition Decision - Dismissed
Jun 18, 2026MRTDIRX - Mail Petition Decision - Dismissed
Jun 12, 2026RXPET.Receipt of Petition in a Reexam
Jun 12, 2026RXC/SRCertificate of Service
May 29, 2026RXC/SRCertificate of Service
May 7, 2026MRXNReexamination Formalities Notice Mailed
May 7, 2026MRXNReexamination Formalities Notice Mailed
May 7, 2026DOCKCase Docketed to Examiner in GAU
May 7, 2026COMPApplication Is Now Complete
May 6, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
May 6, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 6, 2026RXNREQFDNotice of reexamination request filing date
May 6, 2026RXNREQAUNotice of assignment of reexamination request
May 6, 2026FTFSFITF set to YES - revise initial setting
May 4, 2026RXTTLRPTTitle Report
May 4, 2026PRXRParalegal Reexam Review Complete
Apr 30, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 30, 2026WIDSInformation Disclosure Statement (IDS) Filed
Apr 30, 2026RXOSUB.RReexamination requested by third party requester
Apr 30, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Apr 30, 2026RXC/SRCertificate of Service
Apr 30, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-01570IPR — Final Written Decision - Appealed

Petitioner

Accelight Technologies, Inc. et al.

Petition Filed

Sep 25, 2025

Institution

Mar 17, 2026

Decision

Jul 27, 2026

Terminated

Jul 27, 2026

IPR2025-00437IPR — Final Written Decision - Appealed

Petitioner

Cambridge Industries USA Inc. et al.

Petition Filed

Jan 17, 2025

Institution

Aug 26, 2025

Decision

Jul 27, 2026

Terminated

Jul 27, 2026

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Sep 29, 2020
3.5-yr
Mar 29, 2024
Paid Mar 6, 2024
7.5-yr
Mar 29, 2028
11.5-yr
Mar 29, 2032
Expiry
May 10, 2039

Entity Status

Large Entity

Expires

May 10, 2039 (13 yr remaining)

Term Adjustment

+105 days (~0.3 yr)

Assignments

2019202020212022202320242025FiledZILIANG CAIKAI-SHENG LINKEVIN LIUAPPLIED OPTOELECTRONICS, INC.CIT NORTHBRIDGE CREDIT LLCCIT NORTHBRIDGE CREDIT LLCRelease, Nov 2023NA D/B/A BOK FINANCIAL BOKFSecurity interest, Jul 2025
AssignmentReel/Frame: 048137/0242Recorded: Jan 25, 2019

From

ZILIANG CAIInventor
Jan 23, 2019
KAI-SHENG LINInventor
Jan 23, 2019
KEVIN LIUInventor
Jan 23, 2019
→

To

APPLIED OPTOELECTRONICS, INC.

OtherReel/Frame: 062003/0523Recorded: Nov 28, 2022

From

APPLIED OPTOELECTRONICS, INC.
Nov 16, 2022
→

To

CIT NORTHBRIDGE CREDIT LLC

ReleaseReel/Frame: 065630/0906Recorded: Nov 20, 2023

From

CIT NORTHBRIDGE CREDIT LLC
Nov 17, 2023
→

To

APPLIED OPTOELECTRONICS, INC.

Security InterestReel/Frame: 072338/0695Recorded: Aug 1, 2025

From

APPLIED OPTOELECTRONICS, INC.
Jul 31, 2025
→

To

NA D/B/A BOK FINANCIAL BOKF