Liberty Energy, Inc. et al. vs. U.S. Well Services, LLC

Explore the PTAB proceeding IPR2024-01274 filed by Liberty Energy, Inc. et al. on 2024-09-05. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Proceeding Overview

Proceeding Number

IPR2024-01274

Filing Date

2024-09-05

Accorded Filing Date

2024-09-05

Institution Decision Date

2025-03-24

Last Modified Date

2026-04-02

Proceeding Type

IPR

Termination Date

2026-03-23

Trial Status

Terminated-Settled

Parties & Counsel

Petitioner

Liberty Energy, Inc. et al.

Represented By

Walters, Chadet al

Patent Owner / Respondent

U.S. Well Services, LLC

Represented By

FERGUSON, BRIANet al

Tribunal & Venue

Tribunal

Patent Trial and Appeal Board (USPTO)

Technology Center

TC 3600 - Transportation, E-Commerce & Construction

Patent Information

1 Patent Involved

Respondent Application Number 15978838

Respondent Patent Number 11091992

External Links

Espacenet

Google Patents

Respondent Inventor Joel N. Broussard et al

Respondent Tech Center TC 3600 - Transportation, E-Commerce & Construction

Address and Attorney/Agent Information

15 Registered Practitioners

Power of Attorney & Correspondence

Firm / Entity Name Abel Schillinger, LLP

Customer Number 13897

Address PO Box 80010, Austin, TX, 78708, UNITED STATES

Attorney / Agent Information

Reg #	Name	Phone
35284	George Meyer	512-900-8500
36079	Jeffrey Abel	512-900-8500
44532	Bernadette Bennett	512-900-8500
46767	Angel Herrera Jr	512-900-8500
50417	Heribert Muensterer	512-900-8507
57634	Katrin Venter	571-214-8271
58342	Ethan Schillinger	512-900-8500
63835	Taffie Jones	336-741-2932
66027	David Pittman	312-580-9696
66575	Brett Hamilton	512-900-8520
68730	Lei Guo	512-900-8500
69778	Max Kolar	512-900-8500
75702	Jaclyn Torres	512-900-8535
76319	Alex Jacobs	847-797-1354
82214	Maria Amon	512-900-8518

Proceeding Documents

200

Other: Hearing transcript OTHER

2026-04-02 FILING PARTY: BOARD

Download

Termination Decision: Post-DI Settlement TERMINATE

2026-03-23 FILING PARTY: BOARD

Download

Joint Motion to Terminate MOTION

2026-03-19 FILING PARTY: PETITIONER

Download

Joint Request to Keep Confidential MOTION

2026-03-19 FILING PARTY: PETITIONER

Download

Patent Owner's Updated Power of Attorney NOTICE

2026-02-23 FILING PARTY: PATENT OWNER

Download

Liberty Energy, Inc. et al. vs. U.S. Well Services, LLC

Proceeding Overview

Parties & Counsel

Petitioner

Liberty Energy, Inc. et al.

Represented By

Patent Owner / Respondent

U.S. Well Services, LLC

Represented By

Tribunal & Venue

Patent Information

Address and Attorney/Agent Information

Power of Attorney & Correspondence

Attorney / Agent Information

Proceeding Documents

Other: Hearing transcript OTHER

Termination Decision: Post-DI Settlement TERMINATE

Joint Motion to Terminate MOTION

Joint Request to Keep Confidential MOTION

Patent Owner's Updated Power of Attorney NOTICE

Patent Owner's Updated Mandatory Notice NOTICE

Petitioners' Updated Exhibit List NOTICE

Petitioners' Updated Mandatory Notices NOTICE

EX1073 - Petitioners' Demonstrative Exhibit for Hearing Exhibit

Ex. 2112 - Patent Owner U.S. Well Services, LLC Demonstratives Exhibit

Patent Owner's Updated Exhibit List NOTICE

Petitioners' Sur-reply in Opposition to Patent Owner's Revised Non-Contingent Motion to Amend OTHER

Patent Owner’s Updated Mandatory Notices NOTICE

Patent Owner's Power of Attorney (signed) NOTICE

Patent Owner's LEAP Request GRANTED (Richard Quarles) NOTICE

Ex. 2110 - A Complete Guide to Cat5 & Cat5e Cable Exhibit

Ex. 2109 -Dr. Robert Durham Deposition Taken December 11, 2025 Exhibit

Order: Setting Oral Argument 37 C.F.R. sec. 42.70 ORDER

Ex. 2111- Know your Cat 5-6-7 Unshielded Twisted Pair (UTP) Network Cables Exhibit

Order: Granting Patent Owners Motion for Admission Pro Hac Vice of Richard Quarles 37 C.F.R. sec. 42.10 ORDER

Patent Owner’s Reply To Petitioners’ Opposition To Patent Owner’s Revised MTA REPLY

Petitioners' Request for Oral Argument OTHER

Patent Owner’s Notice Of Deposition Of Dr. Durham NOTICE

EX1056 - Trobaugh (WO2016044509) Exhibit

EX1054 - Armstrong Exhibit

EX1057 - Teets Exhibit

Petitioners' Opposition to Patent Owner's Revised Non-Contingent Motion to Amend OPPOSITION

EX1070 - Fouling Exhibit

EX1059 - Delaney Exhibit

EX1064 - Allam Exhibit

EX1062 - Payne Exhibit

EX1052 - Durham Third '992 Declaration Exhibit

EX1068 - Dykstra 415 Exhibit

EX1071 - Tomlinson Exhibit

EX1060 - WEIR SPM GENERAL CATALOG Exhibit

EX1061 - Internet Archive Declaration and Exhibit A+B Exhibit

EX1058 - Bliss Exhibit

EX1072 - NFPA 79 E-Stop Excerpts Exhibit

EX1066 - Sanborn Exhibit

EX1065 - IEEE Standards Dictionary Exhibit

EX1053 - Transcript Nikolaou, Michael 112025 Exhibit

EX1067 - Stephenson-Fracturing Process Control and Auto Exhibit

EX1069 - DOE Exhibit

EX1063 - Payne Provisional Exhibit

EX1055 - Clancy (US20070269317A1) Exhibit

Petitioners' Second Notice of Deposition of Michael Nikolaou NOTICE

Revised Scheduling Order ORDER

Ex. 2108 Deposition Transcript of Durham Robert Allan 100825 Exhibit

Patent Owner's Revised Motion to Amend Under 37 CFR 42.121 MOTION

Ex. 2107 Nikolaou Declaration ISO PO Revised Motion to Amend Exhibit

PRELIMINARY GUIDANCE PATENT OWNER’S MOTION TO AMEND 37 C.F.R. § 42.121(e) ORDER

Patent Owner's Notice of Deposition of Dr. Durham NOTICE

Petitioners' Updated Mandatory Notices NOTICE

General Order: Related Matters Updates ORDER

1044 - Langewis-1971-Practical Hydraulics of Positive Exhibit

1022 - Durham Second '992 Declaration Exhibit

1047 - Pearson ESD 1989 Exhibit

1031 - Rosemount 848T High Density Temperature Transmitter Reference Manual Exhibit

1042 - Tutterow-2004-Variable speed pumping Exhibit

1043 - Marks Handbook Exhibit

1036 - US3605919A Bromell Exhibit

1023 - Depo. Transcript, Nikolaou 082825 w Errata Sheet Exhibit

1040 - WO2016019219A1 Omont Exhibit

1046 - NFPA 79 e-stop excerpts Exhibit

1033 - US20090188682A1 Gensel Exhibit