James E. Hopenfeld

General

Experience23 yrs

Elite Ratings

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Practice Areas

Mech Eng, Manuf (4 cases)

Transport., E-Comm. (7 cases)

Design (1 case)

Semicond., Optic (5 cases)

Communications (13 cases)

Law Firms

Hopenfeld Singer Rice & Saito LLP

Singer LLP

Ditthavong Mori & Steiner

Ropes & Gray LLP

jhopenfeld@dcpatent.com

Ratings

Experience

Grade

Trend

DCT

L5

D

PTAB

L1

E

CAFC

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Cases

Case #	Court	Caption	Filed	Represent
1:24-CV-00958	D. DE	Hangzhou Qianmai Electronic Commerce Co Ltd v. Bearaby Inc	08/20/24	Challenger :Hangzhou Qianmai Electronic Commerce Co Ltd	.
3:21-CV-03186	C.D. IL	Apalone Inc v. Schutt Sports LLC	08/25/21	Challenger :Certor Sports LLC	.
2:18-CV-00054	E.D. TX	Implicit LLC v. Sandvine Corp	03/08/18	Patent Owner(L) :Implicit LLC	.
2:18-CV-00047	E.D. TX	Implicit LLC v. Sophos Ltd	02/26/18	Patent Owner :Implicit LLC	.
2:18-CV-00046	E.D. TX	Implicit LLC v. McAfee LLC	02/26/18	Patent Owner :Implicit LLC	.
2:17-CV-05657	C.D. CA	Blue Spike LLC v. Media Science Inc	07/31/17	Challenger :Media Science Inc	.
2:17-CV-05656	C.D. CA	Blue Spike LLC v. Media Science Inc	07/31/17	Challenger :Media Science Inc	.
1:17-CV-01000	D. DE	Crane Merchandising Systems Inc v. NewZoom LLC	07/21/17	Challenger :Benefit Cosmetics LLC	.
6:17-CV-00182	E.D. TX	Implicit LLC v. Huawei Tech USA Inc	03/24/17	Patent Owner :Implicit LLC	.
1:17-CV-00259	D. DE	Implicit LLC v. Sonos Inc	03/10/17	Patent Owner :Implicit LLC	.

Ratings Trends

Practice Areas