William S. Ansley

Paul Weiss Rifkind Wharton Garrison LLP

General

Experience16 yrs

Elite Ratings

DCT

Practice Areas

Mech Eng, Manuf (33 cases)

Semicond., Optic (4 cases)

Communications (1 case)

Software, Security (3 cases)

Comp. Arch. and Software (2 cases)

Law Firms

Paul Weiss Rifkind Wharton Garrison LLP (Current)

Fish & Richardson

Weil Gotshal & Manges LLP

sansley@paulweiss.com

Ratings

Experience

Grade

Trend

DCT

L4

B

PTAB

L5

C

CAFC

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Cases

Case #	Court	Caption	Filed	Represent
1:26-CV-00077	D. DE	Kaseya US LLC v. Project Orca Inc	01/23/26	Patent Owner :Datto Inc	.
7:25-CV-00222	W.D. TX	Malikie Innovations Ltd v. Mara Holdings Inc	05/12/25	Challenger :Mara Holdings Inc	.
1:23-CV-00917	D. DE	NJOY LLC v. JUUL Labs Inc	08/22/23	Patent Owner :Njoy Inc	.
2:23-CV-00231	E.D. VA	Fuma International LLC v. Altria Group, Inc.	05/26/23	Challenger :Altria Client Services LLC	.
1:22-CV-01117	D. DE	10X Genomics Inc v. Parse Biosciences Inc	08/24/22	Challenger :Parse Biosciences Inc	.
1:20-CV-04816	N.D. GA	Healthier Choices Management Corp v. Philip Morris USA Inc	11/30/20	Challenger(W) :Philip Morris USA Inc	.
1:20-CV-00472	M.D. NC	Altria Client Services LLC v. RJ Reynolds Vapor Co	05/28/20	Patent Owner(W) :Altria Client Services LLC	.
1:20-CV-00506	D. DE	Bio Rad Laboratories Inc v. Dropworks Inc	04/14/20	Patent Owner :Bio-Rad Laboratories Inc	.
1:20-CV-00393	E.D. VA	RAI Strategic Holdings Inc v. Altria Client Services LLC	04/09/20	Challenger(L) :Altria Client Services LLC	.
1:20-CV-00038	D. DE	Natera Inc v. CareDx Inc	01/13/20	Challenger(W) :CareDx Inc	.

Ratings Trends

Practice Areas