90/013,474Method and Apparatus for Measuring Particle Size Distribution in Drilling Fluid8,427,640Closed
Status
Reexamination Certificate Issued
Requester
Requester Law Firm
Requested By
Third Party
Patent OwnerInferred
P.O. Law Firm
Reexam History (58 events)
Mar 2, 2018CCRDYApplication ready for PDX access by participating foreign offices
Mar 1, 2018REEXInput Issue Number and Issue Date for Reexamination
Feb 21, 2018RXPUBSReexam Forwarded to Office of Publications
Jan 12, 2018MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
Dec 6, 2017RXLITSRReexam Litigation Search Conducted
Sep 18, 2017MAPDAMail PTAB Decision on Appeal - Affirmed
Sep 15, 2017MM327-EMail PTAB miscellaneous communication to applicant
Sep 15, 2017APDAPTAB Decision - Examiner Affirmed
Sep 14, 2017M327-EPTAB miscellaneous communication to applicant
May 19, 2017APCHConfirmation of Hearing by Appellant
May 5, 2017APNHNotification of Appeal Hearing
May 5, 2017APNHNotification of Appeal Hearing
Mar 31, 2017APASAssignment of Appeal Number
Mar 31, 2017AP_DK_MDocketing Notice Mailed to Appellant
Mar 23, 2017APWDAppeal Awaiting PTAB Docketing
Mar 7, 2017RXBPAIReexam Forwarded to PTAB
Jan 9, 2017RXRQOHRequest for Oral Hearing
Jan 9, 2017RXAPRBReply Brief Filed
Nov 18, 2016MR327RX - Mail Miscellaneous Communication to Applicant
Nov 8, 2016MRAEARX - Mail Examiners Answer
Sep 14, 2016RXC/SRCertificate of Service
Sep 14, 2016RXAPBRAppeal Brief Review Complete
Sep 14, 2016RXAP.BAppeal Brief Filed
Jul 14, 2016RXN/APNotice of Appeal Filed
Jun 13, 2016MRADVRX - Mail Reexam - Advisory Action (or Supplemental)
May 23, 2016RXC/SRCertificate of Service
May 23, 2016RXAAF.Response to Final Filed (or Ready for Examiner Action)
Mar 22, 2016MRXFRRX - Mail Final Rejection
Nov 17, 2015RXC/SRCertificate of Service
Nov 17, 2015RXA...Response after Non-Final Action
Sep 17, 2015MR.NFRX - Mail Reexam Non-Final Action
Aug 19, 2015RXOR.UUntimely/No Owner Statement
Jun 15, 2015MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jun 15, 2015MREXORX - Mail Ex Parte Request for Reexamination Granted
Jun 9, 2015NRX.Notice of Reexam Published in Official Gazette
May 28, 2015RXWVSTWaiver of owners statement in ex parte
May 19, 2015RXLITSRReexam Litigation Search Conducted
May 11, 2015DOCKCase Docketed to Examiner in GAU
May 5, 2015MRXNReexamination Formalities Notice Mailed
May 5, 2015MRXNReexamination Formalities Notice Mailed
May 4, 2015RXPCOMCompletion of Preprocessing - Released to Assigned GAU
May 4, 2015RXNREQFDNotice of reexamination request filing date
May 4, 2015RXNREQAUNotice of assignment of reexamination request
May 4, 2015MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
May 4, 2015FTFIFITF set to NO - revise initial setting
Apr 23, 2015WIDSInformation Disclosure Statement (IDS) Filed
Apr 23, 2015RXOSUCOrig Req Receipt Corrected
Apr 23, 2015RXIDS.Information Disclosure Statement Filed
Apr 23, 2015RXC/SRCertificate of Service
Apr 23, 2015IDSCInformation Disclosure Statement considered
Apr 1, 2015RXTTLRPTTitle Report
Apr 1, 2015MRICRRX - Mail Notice of Incomplete Ex Parte Reexam Request
Mar 25, 2015WIDSInformation Disclosure Statement (IDS) Filed
Mar 25, 2015RXOSUB.RReexamination requested by third party requester
Mar 25, 2015RXOSUBReceipt of Original Ex Parte Reexam Request
Mar 25, 2015RXIDS.Information Disclosure Statement Filed
Mar 25, 2015IDSCInformation Disclosure Statement considered
Mar 25, 2015BIG.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
Apr 23, 2013
3.5-yr
Oct 23, 2016
7.5-yr
Oct 23, 2020
Paid Sep 25, 2020
11.5-yr
Oct 23, 2024
Paid Oct 9, 2024
Expiry
Aug 23, 2031
Entity Status
Large Entity
Expires
Aug 23, 2031 (5.4 yr remaining)
Term Adjustment
+134 days (~0.4 yr)
Assignments
AssignmentReel/Frame: 026105/0734Recorded: Apr 11, 2011
From
EGIL RONAESInventor
Nov 11, 2009
→
To
M-I SWACO NORGE AS
AssignmentReel/Frame: 026105/0711Recorded: Apr 11, 2011
From
MICHAEL A. FREEMANInventor
Dec 21, 2009
→
To
M-I L.L.C.
AssignmentReel/Frame: 026105/0683Recorded: Apr 11, 2011
From
M-I SWACO NORGE AS
Feb 28, 2011
→
To
SCHLUMBERGER NORGE AS