90/015,357FRACTURING FLUID DISTRIBUTION SYSTEMS AND METHODS10,094,195Closed

Status

Reexamination Certificate Issued

Filed

Jun 30, 2025

Last Updated

Aug 27, 2026

Art Unit

3993

Requested By

Third Party

P.O. Law Firm

Eubanks, PLLC

Sector (CPC)

EConstruction & Mining
E21Earth Drilling & Mining
E21BEarth Drilling

USPC

166Wells

Reexam History (37 events)

Aug 27, 2026REEXInput Issue Number and Issue Date for Reexamination
Aug 10, 2026RXPUBSReexam Forwarded to Office of Publications
Jun 3, 2026MRNRCRX - Mail Notice of Intent to Issue a Reexam Certificate
May 14, 2026RXRLFReExam Litigation Found
May 14, 2026RXLITSRReexam Litigation Search Conducted
Apr 6, 2026RXC/SRCertificate of Service
Apr 6, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Apr 6, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Apr 6, 2026RXAF/DAffidavit(s), Declaration(s) and/or Exhibit(s) Filed
Apr 6, 2026RXA...Response after Non-Final Action
Feb 10, 2026MRXG.RX - Mail Extension of Time Period for Response Granted
Feb 9, 2026RXRQ/TRequest for Extension of Time
Feb 9, 2026RXC/SRCertificate of Service
Jan 6, 2026MR.NFRX - Mail Reexam Non-Final Action
Dec 15, 2025IDSCInformation Disclosure Statement considered
Dec 1, 2025WIDSInformation Disclosure Statement (IDS) Filed
Dec 1, 2025RXIDS.Information Disclosure Statement Filed
Dec 1, 2025RXC/SRCertificate of Service
Nov 28, 2025RXFWDXDate Forwarded to Examiner
Sep 26, 2025MREXORX - Mail Ex Parte Request for Reexamination Granted
Jul 9, 2025MRPWPRX - Mail Pilot Waiver Program - Ex Parte Interview Summary
Jul 3, 2025MRXNReexamination Formalities Notice Mailed
Jul 3, 2025MRXNReexamination Formalities Notice Mailed
Jul 3, 2025COMPApplication Is Now Complete
Jul 2, 2025RXRLFReExam Litigation Found
Jul 2, 2025RXPCOMCompletion of Preprocessing - Released to Assigned GAU
Jul 2, 2025RXNREQFDNotice of reexamination request filing date
Jul 2, 2025RXNREQAUNotice of assignment of reexamination request
Jul 2, 2025RXLITSRReexam Litigation Search Conducted
Jul 2, 2025PRXRParalegal Reexam Review Complete
Jul 2, 2025FTFIFITF set to NO - revise initial setting
Jul 2, 2025DOCKCase Docketed to Examiner in GAU
Jul 1, 2025RXTTLRPTTitle Report
Jun 30, 2025RXOSUB.RReexamination requested by third party requester
Jun 30, 2025RXOSUBReceipt of Original Ex Parte Reexam Request
Jun 30, 2025RXAF/DRReexam - Affidavit(s), Declaration(s) and/or Exhibit(s) Filed by Third Party Requester
Jun 30, 2025BIG.Entity Status Set To Undiscounted (Initial Default Setting or Status Change)

Prosecution, PTAB & CAFC

PTAB Proceedings (IPR, PGR, CBM, DER)

IPR2020-00691IPRInstitution Denied

Petitioner

Nitro Fluids, LLC

Petition Filed

Mar 9, 2020

Institution

Aug 25, 2020

Federal Circuit (CAFC)

None found

Terminal Disclaimer

Filed — ApprovedSep 20, 2017

Prosecution History

DateCodeDescription
Sep 20, 2017P574PARALEGAL OR ELECTRONIC TERMINAL DISCLAIMER APPROVED
Sep 20, 2017DISTTerminal Disclaimer Filed

Maintenance Fees

Grant
Oct 9, 2018
3.5-yr
Apr 9, 2022
Paid Mar 23, 2022
7.5-yr
Apr 9, 2026
Paid Mar 24, 2026
11.5-yr
Apr 9, 2030
Expiry
Dec 12, 2036

Entity Status

Large Entity

Expires

Dec 12, 2036 (10.7 yr remaining)

Assignments

None found