DCT

4:23-cv-00730

Grant Prideco Inc v. Schlumberger Technology Corp

General

Filed

02/27/23

Cause of ActionPatent Infringement

SectorChemical

Status

Closed (12/09/25)

Patent Owner

Operating Company (L)

SourcePACER

Nature of Suit830 Patent

Judge	Period	PO Win Rate
Andrew S. Hanen	02/28/23 - 03/06/26	33%

MagistrateSam S. Sheldon

Plaintiff

Party

Attorney

Name	Ratings
Susman Godfrey LLP	L4E
Harry P. Susman	L4D
Armando Lozano, III	---- --
Abigail C. Noebels	---- --
Ahmad Zavitsanos Anaipakos Alavi & Mensing	L2E
Louis Liao	L4E
Michael A. Killingsworth	L3C
John Zavitsanos	---- --
Patrick K. Leyendecker	---- --
Shahmeer A. Halepota	---- --

Defendant

Party

Name	Ratings
Schlumberger Technology Corp	L4B
Smith Intl Inc	L2E
Varel Intl Industries LP	---- --
Varel Intl Energy Services Inc	---- --
Ulterra Drilling Technologies LP	---- --
Rockbit Intl subsidiaries LLC	---- --

Attorney

Name	Ratings
Kirkland & Ellis LLP	L5A
Gregg F. Locascio	L5A
Ryan Kane	L5C
Chris Ilardi	L4B
Greg Polins	L4D
James J. Lomeo	L2B
Tera Jo Stone	L2B
Nick M. Brown	---- --
Michael Dinnella	---- --
Mara L. Greenberg	---- --
Steptoe & Johnson LLP	L4B
Craig Smyser	---- --
Beck Redden & SecrestLocal	L3B
David J. Beck	L4D
Garrett S. Brawley	---- --
Michelle E. Gray	---- --
Smyser Kaplan & Veselka	L2E
Garland D. Murphy, IV	L3-- --
Samantha Jarvis	---- --
Stephens Domnitz Meineke PLLCLocal	L1C
Kelly D. Stephens	L1D
Matthew C. Juren	---- --