The detailed information for PTAB case with proceeding number IPR2025-00778 filed by Liberty Energy Inc. et al. against U.S. Well Services, LLC et al. on Mar 28, 2025. This includes filing dates, application numbers, tech centers, patent numbers, and current case status.

Case Details

Proceeding Number
IPR2025-00778
Filing Date
Mar 28, 2025
Petitioner
Liberty Energy Inc. et al.
Respondent
U.S. Well Services, LLC et al.
Status
Discretionary Denial
Respondent Application Number
18357271
Respondent Tech Center
3600
Respondent Patent Number
11959533
Institution Decision Date
Jul 31, 2025
Termination Date
Jul 31, 2025

Proceeding Documents

The table below shows documents filed in the case, listing each document name, filing date, document type, and filing party. Tracking these filings indicates the activity of the parties involved in the case, and the types of documents filed can provide insights into the legal strategies being employed.


Document NameFiling DateCategoryFiling Party

Alert me when new update on this case

Director Discretionary Decision: Deny

Jul 31, 2025PAPERBOARD

PATENT OWNER’S PRELIMINARY RESPONSE '778

Jul 16, 2025PAPERPATENT OWNER

EX-2016 - Dudley, Darle W., “Gear Handbook,” McGraw-Hill Book Co.

Jul 16, 2025EXHIBITPATENT OWNER

EX-2017-Lynwander, Peter, “Gear Drive Systems,” Macrel Dekker, Inc., New York, 1983

Jul 16, 2025EXHIBITPATENT OWNER

EX-2018-About AGMA – American Gear Manufacturers Association

Jul 16, 2025EXHIBITPATENT OWNER

EX-2019-Member List – American Gear Manufacturers Association

Jul 16, 2025EXHIBITPATENT OWNER

EX-2020-Gear Engineering 50+ Years Of Experience, United Gear, Inc.

Jul 16, 2025EXHIBITPATENT OWNER

EX-2022-ZipRecruiter, “What is a Gear Design Engineer and How to Become One,

Jul 16, 2025EXHIBITPATENT OWNER

EX-2023-proconpump (New Smyrna Beach): Gear Design Engineer

Jul 16, 2025EXHIBITPATENT OWNER

EX-2024-Weiss, Shannon, Mechanical Engineer-Gear Design & Automation, August 3, 2017

Jul 16, 2025EXHIBITPATENT OWNER

EX-2025-Gear Design Engineer @ American Axle & Manufacturing-AAM JobzMall

Jul 16, 2025EXHIBITPATENT OWNER

EX-2026-PTO Classification Definitions Class 475, “Planetary Gear Transmission Systems or Components,” February 2007

Jul 16, 2025EXHIBITPATENT OWNER

EX-2027-Excerpts from D. T. Jelaska, “Gears and Gear Drives,” John Wiley & Sons, 2012

Jul 16, 2025EXHIBITPATENT OWNER

EX-2028-Bachelor of Science in Electrical Engineering, Cullen College of Engineering, University of Houston

Jul 16, 2025EXHIBITPATENT OWNER

EX-2029-Bachelor of Science in Petroleum Engineering, Cullen College of Engineering, University of Houston

Jul 16, 2025EXHIBITPATENT OWNER

EX-2030-Bachelor of Science in Mechanical Engineering, Cullen College of Engineering, University of Houston

Jul 16, 2025EXHIBITPATENT OWNER

EX-2031-MECE 4331 Design of Machine Elements, Spring 2025

Jul 16, 2025EXHIBITPATENT OWNER

EX-2032-“Welcome to PEM,” Power Engineering and Mfg.

Jul 16, 2025EXHIBITPATENT OWNER

EX-2033-“ITAMCO’s Next Generation Gear Manufacturing Revolutionizes Fracking Efficiency in the Oil Industry,” Indiana Technology and Manufacturing Companies, January 29, 2024.

Jul 16, 2025EXHIBITPATENT OWNER

EX-2035-“Best-Practice Gearbox Lubrication,” Gear Solutions Magazine, Jan. 1, 2010

Jul 16, 2025EXHIBITPATENT OWNER

EX-2036-“Fatigue Failure of a Helical Gear in a Gearbox,” Engineering Failure Analysis

Jul 16, 2025EXHIBITPATENT OWNER

EX-2037-Curriculum Vitae of Dr. Michael Nikolaou

Jul 16, 2025EXHIBITPATENT OWNER

EX-2038-Declaration of Dr. Michael Nikolaou regarding the 258 and 533 Patents

Jul 16, 2025EXHIBITPATENT OWNER

Petitioners' Opposition to Patent Owner's Discretionary Denial Brief

Jul 16, 2025PAPERPETITIONER

Federal Court Management Statistics

Jul 16, 2025EXHIBITPETITIONER

Order Adopting Claim Construction Memorandum (S.D. Tex. July 8, 2025)

Jul 16, 2025EXHIBITPETITIONER

IPR2025-00066 - Paper 1 (Petition)

Jul 16, 2025EXHIBITPETITIONER

IPR2025-00105 - Paper 6 (POPR)

Jul 16, 2025EXHIBITPETITIONER

Patent Owner's Discretionary Denial Brief

Jun 16, 2025PAPERPATENT OWNER

EX-2002 - Order Denying Motion to Stay Pending Inter Partes Review

Jun 16, 2025EXHIBITPATENT OWNER

EX-2003 - June 3, 2024 Amended Complaint

Jun 16, 2025EXHIBITPATENT OWNER

EX-2004 - Notice of Markman Hearing Set for April 30, 2025

Jun 16, 2025EXHIBITPATENT OWNER

EX-2005 - Markman Hearing Memorandum and Order

Jun 16, 2025EXHIBITPATENT OWNER

EX-2006 - IPR2025-00066, Paper No. 10

Jun 16, 2025EXHIBITPATENT OWNER

EX-2007 - May 15, 2025 Amended Scheduling Order

Jun 16, 2025EXHIBITPATENT OWNER

EX-2008 - May 15, 2025 Amended Scheduling Order IPR2025-00105

Jun 16, 2025EXHIBITPATENT OWNER

EX-2009 - IPR2025-00105, Paper No. 7

Jun 16, 2025EXHIBITPATENT OWNER

EX-2010 - USPTO Rescission of Memorandum Addressing Discretionary Denial Procedures

Jun 16, 2025EXHIBITPATENT OWNER

EX-2011 - IPR2025-00105, Paper No. 1

Jun 16, 2025EXHIBITPATENT OWNER

EX-2012 - U.S. Patent No. 10,598,258

Jun 16, 2025EXHIBITPATENT OWNER

EX-2013 - Durham Declaration ISO 258 Patent IPR

Jun 16, 2025EXHIBITPATENT OWNER

EX-2014 - Petitioners Email Stipulation

Jun 16, 2025EXHIBITPATENT OWNER

EX-2015 - Liberty’s Preliminary Invalidity Contentions

Jun 16, 2025EXHIBITPATENT OWNER

Patent Owner's Unopposed Motion for Pro Hac Vice Admission of Richard Quarles

May 30, 2025PAPERPATENT OWNER

EX-2001 - Declaration of Richard Quarles ISO Motion for PHV

May 30, 2025EXHIBITPATENT OWNER

Patent Owner's Power of Attorney

May 14, 2025PAPERPATENT OWNER

Patent Owner's Mandatory Notice

May 14, 2025PAPERPATENT OWNER

Notice: Notice filing date accorded

Apr 16, 2025PAPERBOARD

1001 - US11959533

Mar 28, 2025EXHIBITPETITIONER

1002 - 533 Patent File History

Mar 28, 2025EXHIBITPETITIONER

1003 - Durham Final Declaration

Mar 28, 2025EXHIBITPETITIONER

1004 - US20200256429A1 Buckley

Mar 28, 2025EXHIBITPETITIONER

1005 - 62562943 Buckley Provisional

Mar 28, 2025EXHIBITPETITIONER

1006 - US_2015_0361736_A1 Bergan

Mar 28, 2025EXHIBITPETITIONER

1007 - US4100822 Rosman

Mar 28, 2025EXHIBITPETITIONER

1008 - US20160258267A1 Payne

Mar 28, 2025EXHIBITPETITIONER

1009 - CN_103742382_A Yi

Mar 28, 2025EXHIBITPETITIONER

1010 - Certified Translation of CN_103742382_A Yi(121878470.1)_English

Mar 28, 2025EXHIBITPETITIONER

1011 - MW Pinion 8.17.2017

Mar 28, 2025EXHIBITPETITIONER

1012 - Jelaska Gears and Gear Drives

Mar 28, 2025EXHIBITPETITIONER

1013 - Tutterow-2004-Variable speed pumping

Mar 28, 2025EXHIBITPETITIONER

1014 - August Dynamics_of_Planetary_Gear_Trains

Mar 28, 2025EXHIBITPETITIONER

1015 - US_2016_0369609_A1 Morris

Mar 28, 2025EXHIBITPETITIONER

1016 - US6907667 Joyner

Mar 28, 2025EXHIBITPETITIONER

1017 - Part 1-Karassik Pump Handbook

Mar 28, 2025EXHIBITPETITIONER

1017 - Part 2-Karassik Pump Handbook

Mar 28, 2025EXHIBITPETITIONER

1017 - Part 3-Karassik Pump Handbook

Mar 28, 2025EXHIBITPETITIONER

1017 - Part 4-Karassik Pump Handbook

Mar 28, 2025EXHIBITPETITIONER

1018 - Plaintiffs’ Amended Complaint

Mar 28, 2025EXHIBITPETITIONER

1019 - Motion to Stay

Mar 28, 2025EXHIBITPETITIONER

1020 - Email re Markman Hearing

Mar 28, 2025EXHIBITPETITIONER

1021 - Patent Scheduling Order Dkt 30

Mar 28, 2025EXHIBITPETITIONER

1022 - Hall-Ellis Declaration - Liberty 533 IPR

Mar 28, 2025EXHIBITPETITIONER

1023 - 533 Patent Claim Listing

Mar 28, 2025EXHIBITPETITIONER

1024 - Morton-Unlocking the Earth - A short history of Hydraulic Fracturing

Mar 28, 2025EXHIBITPETITIONER

1025 - Wells

Mar 28, 2025EXHIBITPETITIONER

1026 - Montgomery

Mar 28, 2025EXHIBITPETITIONER

1027 - Bourgoyne

Mar 28, 2025EXHIBITPETITIONER

1028 - Vassiliou Historical Dictionary Petroleum Industry

Mar 28, 2025EXHIBITPETITIONER

1029 - Sanborn

Mar 28, 2025EXHIBITPETITIONER

1030 - Coli.

Mar 28, 2025EXHIBITPETITIONER

1031 - GD2500Q Op & Service Manual

Mar 28, 2025EXHIBITPETITIONER

1032 - MW Quintuple 2.2.2017

Mar 28, 2025EXHIBITPETITIONER

1033 - Marks Handbook

Mar 28, 2025EXHIBITPETITIONER

1034 - Part 1-Nesbitt-2006-Handbook of pumps and pumping

Mar 28, 2025EXHIBITPETITIONER

1034 - Part 2-Nesbitt-2006-Handbook of pumps and pumping

Mar 28, 2025EXHIBITPETITIONER

1034 - Part 3-Nesbitt-2006-Handbook of pumps and pumping

Mar 28, 2025EXHIBITPETITIONER

1034 - Part 4-Nesbitt-2006-Handbook of pumps and pumping

Mar 28, 2025EXHIBITPETITIONER

1035 - Langewis-1971-Practical Hydraulics of Positive

Mar 28, 2025EXHIBITPETITIONER

1036 - Lewis 1993-Gearing in the ancient world

Mar 28, 2025EXHIBITPETITIONER

1037 - Mabie Mechanisms and Dynamics of Machinery Pages

Mar 28, 2025EXHIBITPETITIONER

1038 - Pawar Design of Two Stage Planetary Gear Train

Mar 28, 2025EXHIBITPETITIONER

1039 - Camara-EE Reference

Mar 28, 2025EXHIBITPETITIONER

1040 - Fink pt1

Mar 28, 2025EXHIBITPETITIONER

1040 - Fink pt2

Mar 28, 2025EXHIBITPETITIONER

1041 - Horikoshi - US20110241590A1

Mar 28, 2025EXHIBITPETITIONER

1042 - Roethemeyer-1995-Evolution of Motor and Variable Frequency Drive

Mar 28, 2025EXHIBITPETITIONER

1043 - US3186222

Mar 28, 2025EXHIBITPETITIONER

1044 - US3075136

Mar 28, 2025EXHIBITPETITIONER

1045 - US3262036

Mar 28, 2025EXHIBITPETITIONER

1046 - Shepherd - Unbalanced Voltage Control of 3-Phase Loads

Mar 28, 2025EXHIBITPETITIONER

1047 - Hickok-1985-Adjustable speed - A Tool for Saving Energy Losses

Mar 28, 2025EXHIBITPETITIONER

1048 - DeWinter-1989-The application of a 3500 HP Variable Frequency Drive

Mar 28, 2025EXHIBITPETITIONER

1049 - Perrin-1997-Induction motors, reciprocating Compressors and Variable

Mar 28, 2025EXHIBITPETITIONER

1050 - Lockley-2006-IEEE Std 1566 - The Need for a Large Adjustable Speed

Mar 28, 2025EXHIBITPETITIONER

1051 - Manz-1995-The motor designer's viewpoint adjustable speed drive spec

Mar 28, 2025EXHIBITPETITIONER

1052 - Electrical Machines and Adjustable Speed Drives

Mar 28, 2025EXHIBITPETITIONER

1053 - Broussard

Mar 28, 2025EXHIBITPETITIONER

1054 - Johns

Mar 28, 2025EXHIBITPETITIONER

1055-Federal Court Management Statistics

Mar 28, 2025EXHIBITPETITIONER

1056 - guidance_memo_on_interim_procedure_recission

Mar 28, 2025EXHIBITPETITIONER

Petition for Inter Partes Review of U.S. Patent 11,959,533

Mar 28, 2025PAPERPETITIONER

Petitioners' Power of Attorney

Mar 28, 2025PAPERPETITIONER