Chanson Chang

General

Experience14 yrs

Elite Ratings

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Practice Areas

Chemical Biotech (1 case)

Biotech (22 cases)

Chemical (3 cases)

Comp. Arch. and Software (1 case)

Semicond., Optic (2 cases)

Law Firms

Covington & Burling LLP

Kirkland & Ellis LLP

cchang09@amgen.com

Ratings

Experience

Grade

Trend

DCT

L4

C

PTAB

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CAFC

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Cases

Case #	Court	Caption	Filed	Represent
1:25-CV-00074	N.D. WV	Regeneron Pharma Inc v. Amgen Inc	07/31/25	Challenger :Amgen USA Inc	.
1:24-CV-00039	N.D. WV	Regeneron Pharma Inc v. Amgen Inc	04/16/24	Challenger :Amgen USA Inc	.
1:24-MD-03103	N.D. WV	In Re: Aflibercept Patent Litigation	04/11/24	Challenger(L) :Amgen USA Inc	.
1:23-CV-10861	D. MA	Ossifi Mab LLC v. Amgen Inc	04/21/23	Challenger(W) :Amgen USA Inc	.
1:21-CV-01807	D. DE	Harbour Antibodies BV v. Teneobio Inc	12/23/21	Challenger :Teneobio Inc	.
1:20-CV-01359	D. DE	Leo Pharma As v. Glenmark Pharma Ltd	10/07/20	Patent Owner(W) :Leo Pharma Inc	.
1:20-CV-00560	D. DE	Pharmacyclics LLC v. Zydus Worldwide DMCC	04/24/20	Patent Owner :Janssen Biotech Inc	.
1:20-CV-00403	D. DE	Pharmacyclics LLC v. Alvogen Pine Brook LLC	03/20/20	Patent Owner :Janssen Biotech Inc	.
1:19-CV-02317	D. DE	Allergan USA Inc v. Aurobindo Pharma Ltd	12/20/19	Patent Owner(W) :Allergan Sales LLC	.
1:19-CV-00549	D. DE	Mayne Pharma Intl Pty Ltd v. Prinston Pharmaceutical Inc	03/21/19	Patent Owner(W) :Mayne Pharma Intl PTY Ltd	.

Ratings Trends

Practice Areas