90/015,464DEVICE AND METHOD FOR DETECTING LIGHT10,101,203Closed

Status

Reexamination Certificate Issued

Filed

Aug 22, 2025

Last Updated

Sep 15, 2026

Art Unit

3992

Requester

Not named (filed by counsel)

Requester Law Firm

Not named in the record

Requested By

Third Party

Patent Owner(via USPTO assignment records)

Leica Microsystems CMS GmbH

Patent Owner Law Firm

Leydig, Voit & Mayer, Ltd.

Sector (CPC)

GPhysics & Instruments
G01Measuring & Testing
G01JRadiation Measurement

USPC

250Radiant Energy

Reexam History (34 events)

Sep 15, 2026REEXInput Issue Number and Issue Date for Reexamination
Aug 20, 2026RXPUBSReexam Forwarded to Office of Publications
Jun 24, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Jun 3, 2026RXAAF.Response to Final Filed (or Ready for Examiner Action)
Apr 14, 2026MRXFRRX - Mail Final Rejection
Feb 27, 2026RXA...Response after Non-Final Action
Feb 27, 2026RXA...Response after Non-Final Action
Feb 27, 2026RXC/SRCertificate of Service
Feb 27, 2026RXLET.Miscellaneous Incoming Letter
Feb 27, 2026RXRQ/TRequest for Extension of Time
Feb 25, 2026MREXNRX - Mail Examiner Interview Summary Record
Dec 31, 2025MR.NFRX - Mail Reexam Non-Final Action
Dec 15, 2025RXFWDXDate Forwarded to Examiner
Oct 7, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Sep 19, 2025IDSCInformation Disclosure Statement considered
Aug 29, 2025DOCKCase Docketed to Examiner in GAU
Aug 27, 2025MRXNReexamination Formalities Notice Mailed
Aug 27, 2025MRXNReexamination Formalities Notice Mailed
Aug 27, 2025COMPApplication Is Now Complete
Aug 26, 2025RXNREQAUNotice of assignment of reexamination request
Aug 26, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Aug 26, 2025RXNREQFDNotice of reexamination request filing date
Aug 22, 2025RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Aug 22, 2025RXC/SRCertificate of Service
Aug 22, 2025RXO_40.RReceipt of Orig. Ex Parte Request by Third Party Less Than 40 Pages - Rule 1.20(c )(1)
Aug 22, 2025WIDSInformation Disclosure Statement (IDS) Filed
Aug 22, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
Aug 22, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Aug 22, 2025WIDSInformation Disclosure Statement (IDS) Filed
Aug 22, 2025SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Aug 22, 2025RXLITSRReexam Litigation Search Conducted
Aug 22, 2025PRXRParalegal Reexam Review Complete
Aug 22, 2025RXTTLRPTTitle Report
Aug 22, 2025FTFIFITF set to NO - revise initial setting

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

None found

Federal Circuit (CAFC)

None found

Terminal Disclaimer

None found

Prosecution History

None found

Maintenance Fees

Grant
Oct 16, 2018
3.5-yr
Apr 16, 2022
Paid Apr 5, 2022
7.5-yr
Apr 16, 2026
11.5-yr
Apr 16, 2030
Expiry
Jan 15, 2034

Entity Status

Large Entity

Expires

Jan 15, 2034 (7.8 yr remaining)

Term Adjustment

+553 days (~1.5 yr)

Assignments

Jul 2012Aug 2012FiledHOLGER BIRKVOLKER SEYFRIEDLEICA MICROSYSTEMS CMS GMBH
AssignmentReel/Frame: 028992/0446Recorded: Sep 20, 2012

From

HOLGER BIRKInventor
Jul 10, 2012
VOLKER SEYFRIEDInventor
Jul 10, 2012
→

To

LEICA MICROSYSTEMS CMS GMBH