Status
Response after Non-Final Action Entered (or Ready for Examiner Action)
Requester
Requester Law Firm
Unknown
Requested By
Third Party
Patent Owner
P.O. Law Firm
Reexam History (26 events)
Aug 12, 2026RXC/SRCertificate of Service
Aug 12, 2026RXA...Response after Non-Final Action
Jul 21, 2026PA..Change in Power of Attorney (May Include Associate POA)
Jul 17, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Jun 17, 2026MR.NFRX - Mail Reexam Non-Final Action
May 4, 2026RXPA..Change in Power of Attorney (May Include Associate POA)
Apr 21, 2026RXFWDXDate Forwarded to Examiner
Feb 10, 2026MREXORX - Mail Ex Parte Request for Reexamination Granted
Jan 26, 2026MRXNReexamination Formalities Notice Mailed
Jan 26, 2026MRXNReexamination Formalities Notice Mailed
Jan 26, 2026DOCKCase Docketed to Examiner in GAU
Jan 26, 2026COMPApplication Is Now Complete
Jan 24, 2026SMALApplicant Has Filed a Verified Statement of Small Entity Status in Compliance with 37 CFR 1.27
Jan 24, 2026RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jan 24, 2026FTFIFITF set to NO - revise initial setting
Jan 16, 2026WIDSInformation Disclosure Statement (IDS) Filed
Jan 16, 2026RXIDS.RReexam - Information Disclosure Statement Filed by Third Party Requester
Jan 16, 2026RXC/SRCertificate of Service
Jan 16, 2026PRXRParalegal Reexam Review Complete
Jan 14, 2026RXTTLRPTTitle Report
Jan 14, 2026RXOSUB.RReexamination requested by third party requester
Jan 14, 2026RXOSUBReceipt of Original Ex Parte Reexam Request
Jan 14, 2026RXNREQFDNotice of reexamination request filing date
Jan 14, 2026RXNREQAUNotice of assignment of reexamination request
Jan 14, 2026RXLITSRReexam Litigation Search Conducted
Jan 14, 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
Jul 6, 2010
3.5-yr
Jan 6, 2014
7.5-yr
Jan 6, 2018
Paid Nov 20, 2017
11.5-yr
Jan 6, 2022
Paid Dec 22, 2021
Expiry
May 6, 2029
Entity Status
Small Entity
Expires
May 6, 2029 (3.1 yr remaining)
Term Adjustment
+1161 days (~3.2 yr)
Assignments
AssignmentReel/Frame: 025227/0430Recorded: Nov 2, 2010
From
GEORGE SUTHERLANDInventor
Jun 17, 2010
→
To
SUTHERLAND SEPARATION SYSTEMS, INC.
OtherReel/Frame: 028318/0214Recorded: Jun 4, 2012
From
SUTHERLAND SEPARATION SYSTEMS INC.
Feb 7, 2011
→
To
ERIN CONSULTING LIMITED