90/015,889SECONDARY IMAGE REMOVAL USING HIGH RESOLUTION X-RAY TRANSMISSION SOURCES12,181,423Open

Status

Reexam Terminated - Notice of Intent to Issue a Reexamination Certificate Mailed

Filed

Jan 15, 2026

Last Updated

Jul 30, 2026

Art Unit

3992

Requester

Excillum AB

Requester Law Firm

Greenberg, P.C.

Requested By

Third Party

Patent Owner

Sigray Inc.

Sector (CPC)

GPhysics & Instruments
G01Measuring & Testing
G01NMaterial Analysis

USPC

378X-Ray Or Gamma Ray Systems Or Devices

Reexam History (27 events)

Jul 30, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Jul 20, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)
May 11, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 11, 2026PA..Change in Power of Attorney (May Include Associate POA)
May 5, 2026RXWVSTWaiver of owners statement in ex parte
May 5, 2026RXC/SRCertificate of Service
Mar 25, 2026MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Mar 5, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Feb 26, 2026DOCKCase Docketed to Examiner in GAU
Jan 28, 2026MRXNReexamination Formalities Notice Mailed
Jan 28, 2026MRXNReexamination Formalities Notice Mailed
Jan 28, 2026DOCKCase Docketed to Examiner in GAU
Jan 28, 2026COMPApplication Is Now Complete
Jan 27, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jan 27, 2026RXTTLRPTTitle Report
Jan 27, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 27, 2026RXNREQFDNotice of reexamination request filing date
Jan 27, 2026RXNREQAUNotice of assignment of reexamination request
Jan 22, 2026RXLITSRReexam Litigation Search Conducted
Jan 22, 2026PRXRParalegal Reexam Review Complete
Jan 22, 2026FTFSFITF set to YES - revise initial setting
Jan 15, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Jan 15, 2026RXOSUB.RReexamination requested by third party requester
Jan 15, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 15, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jan 15, 2026RXC/SRCertificate of Service
Jan 15, 2026BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

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
Dec 31, 2024
3.5-yr
Jun 30, 2028
7.5-yr
Jun 30, 2032
11.5-yr
Jun 30, 2036
Expiry
Jan 8, 2044

Entity Status

Small Entity

Expires

Jan 8, 2044 (17.8 yr remaining)

Assignments

Jan 2024Feb 2024FiledSHERAZ GULSYLVIA JIA YUN LEWISWENBING YUNSIGRAY, INC.
AssignmentReel/Frame: 066246/0434Recorded: Jan 25, 2024

From

SHERAZ GULInventor
Jan 16, 2024
SYLVIA JIA YUN LEWISInventor
Jan 16, 2024
WENBING YUNInventor
Jan 18, 2024

To

SIGRAY, INC.