Derek J. Fahnestock

Morris, Nichols, Arsht & Tunnell LLPLocal

General

Experience22 yrs

Elite Ratings

DCT

Practice Areas

Chemical Biotech (11 cases)

Biotech (318 cases)

Chemical (7 cases)

Comp. Arch. and Software (1 case)

Communications (13 cases)

Law Firms

Morris, Nichols, Arsht & Tunnell LLP (Current)

dfahnestock@mnat.com

morrisnichols.com

Ratings

Experience

Grade

Trend

DCT

L5

A

PTAB

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CAFC

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Cases

Case #	Court	Caption	Filed	Represent
1:26-CV-00914	D. DE	Medac Gesellschaft Fur Klinische Spezialpraparate mbH v. Somerset Therap LLC	07/24/26	Patent Owner :Medac Gesellschaft Fur Klinische Spezialpraparate mbH	.
1:26-CV-00870	D. DE	Adverio Pharma GmbH v. Zenara Pharma Pvt Ltd	07/16/26	Patent Owner :Adverio Pharma GmbH	.
1:26-CV-00736	D. DE	Biogen Ma Inc v. Cipla Ltd	06/22/26	Patent Owner :Biogen Inc	.
1:26-CV-00735	D. DE	Biogen Ma Inc v. Somerset Therap LLC	06/22/26	Patent Owner :Biogen Inc	.
1:26-CV-00580	D. DE	Biogen Ma Inc v. Somerset Therap LLC	05/20/26	Patent Owner :Biogen Inc	.
1:26-CV-00541	D. DE	Array Biopharma Inc v. Zydus Lifesciences Ltd	05/08/26	Patent Owner :Array Biopharma Inc	.
1:26-CV-00471	D. DE	Bayer IP GmbH v. Rosemont Pharma Ltd	04/23/26	Patent Owner :Bayer AG	.
1:26-CV-00424	D. DE	Hmi Medical Innovations LLC v. Black Diamond Therap Inc	04/14/26	Challenger :Black Diamond Therapeutics Inc	.
1:26-CV-00321	D. DE	Adverio Pharma GmbH v. Sandoz Inc	03/23/26	Patent Owner :Adverio Pharma GmbH	.
1:26-CV-00306	D. DE	Vertex Pharma Inc v. MSN Pharma Inc	03/20/26	Patent Owner :Vertex Pharmaceuticals Inc	.

Ratings Trends

Practice Areas