Status
Reexam Preprocessing Completed - Released to Assigned GAU
Filed
Oct 2, 2026
Pre-Order Paper
Window open until about Nov 11, 2026
Last Updated
Oct 14, 2026
Examiner
Not assigned
Art Unit
Requester
Requester Law Firm
Requested By
Third Party
Patent Owner(via USPTO assignment records)
Patent Owner Law Firm
Owner hasn't filed yet
Reexam History (20 events)
Oct 15, 2026MRXNReexamination Formalities Notice Mailed
Oct 15, 2026MRXNReexamination Formalities Notice Mailed
Oct 15, 2026COMPApplication Is Now Complete
Oct 14, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Oct 14, 2026RXNREQFDNotice of reexamination request filing date
Oct 14, 2026RXNREQAUNotice of assignment of reexamination request
Oct 14, 2026FTFIFITF set to NO - revise initial setting
Sep 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Sep 29, 2026WIDSInformation Disclosure Statement (IDS) Filed
Sep 29, 2026RXTTLRPTTitle Report
Sep 29, 2026RXRLFReExam Litigation Found
Sep 29, 2026RXPA..RReexam - Change in Power of Attorney (May Include Associate POA) for Third Party Requester
Sep 29, 2026RXOSUB.RReexamination requested by third party requester
Sep 29, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Sep 29, 2026RXLITSRReexam Litigation Search Conducted
Sep 29, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Sep 29, 2026RXC/SRCertificate of Service
Sep 29, 2026RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Sep 29, 2026PRXRParalegal Reexam Review Complete
Sep 29, 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
Jun 25, 2019
3.5-yr
Dec 25, 2022
Paid Dec 7, 2022
7.5-yr
Dec 25, 2026
11.5-yr
Dec 25, 2030
Expiry
Jun 30, 2037
Entity Status
Large Entity
Expires
Jun 30, 2037 (11.2 yr remaining)
Assignments
AssignmentReel/Frame: 042906/0928Recorded: Jul 5, 2017
From
YONG QIN CHENInventor
Mar 9, 2015
→
To
IRIS INTERNATIONAL, INC.
AssignmentReel/Frame: 068450/0064Recorded: Aug 30, 2024
From
IRIS INTERNATIONAL, INC.
Jul 20, 2024
→
To
BECKMAN COULTER, INC.