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90/016,025MICROSTRUCTURE ENHANCED ABSORPTION PHOTOSENSITIVE DEVICES12,087,871Closed

Status

Request for Reexamination Denied

Filed

Mar 5, 2026

Last Updated

Apr 27, 2026

Art Unit

3991

Requested By

Third Party

P.O. Law Firm

Wissing Miller, LLP

Sector (CPC)

HElectrical & Electronic
H10Semiconductor Devices
H10FInorganic Semiconductor Bodies

USPC

136Batteries: Thermoelectric And Photoelectric

Reexam History (19 events)

Apr 27, 2026MREXDRX - Mail Ex Parte Request for Reexamination Denied
Apr 9, 2026IDSCInformation Disclosure Statement considered
Mar 25, 2026DOCKCase Docketed to Examiner in GAU
Mar 20, 2026MRXNReexamination Formalities Notice Mailed
Mar 20, 2026MRXNReexamination Formalities Notice Mailed
Mar 20, 2026COMPApplication Is Now Complete
Mar 19, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Mar 19, 2026FTFSFITF set to YES - revise initial setting
Mar 17, 2026RXTTLRPTTitle Report
Mar 17, 2026RXNREQFDNotice of reexamination request filing date
Mar 17, 2026RXNREQAUNotice of assignment of reexamination request
Mar 9, 2026PRXRParalegal Reexam Review Complete
Mar 5, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 5, 2026WIDSInformation Disclosure Statement (IDS) Filed
Mar 5, 2026RXOSUB.RReexamination requested by third party requester
Mar 5, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 5, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Mar 5, 2026RXC/SRCertificate of Service
Mar 5, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2025-00993IPR — Discretionary Denial

Petitioner

Samsung Electronics Co., Ltd. et al.

Petition Filed

Jun 25, 2025

Institution

Nov 20, 2025

Decision

Nov 20, 2025

Terminated

Nov 20, 2025

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedJul 18, 2024

Prosecution History

DateCodeDescription
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 23, 2024P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed
Jul 18, 2024DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Sep 10, 2024
3.5-yr
Mar 10, 2028
7.5-yr
Mar 10, 2032
11.5-yr
Mar 10, 2036
Expiry
Oct 30, 2043

Entity Status

Small Entity

Expires

Oct 30, 2043 (17.6 yr remaining)

Assignments

Nov 2023Dec 2023FiledSHIH-PING WANGSHIH-YUAN WANGW&W SENS DEVICES, INC
AssignmentReel/Frame: 065478/0162Recorded: Nov 7, 2023

From

SHIH-PING WANGInventor
Nov 3, 2023
SHIH-YUAN WANGInventor
Nov 3, 2023
→

To

W&W SENS DEVICES, INC