David B. Cupar

McDonald Hopkins

General

Experience25 yrs

Elite Ratings

DCT

Practice Areas

Reexam/Aband. (1 case)

Mech Eng, Manuf (20 cases)

Transport., E-Comm. (35 cases)

Design (5 cases)

Semicond., Optic (13 cases)

Law Firms

McDonald Hopkins (Current)

dcupar@mcdonaldhopkins.com

mcdonaldhopkins.com

Ratings

Experience

Grade

Trend

DCT

L5

B

PTAB

L4

E

CAFC

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Cases

Case #	Court	Caption	Filed	Represent
3:26-CV-00084	N.D. GA	Eti Solid State Lighting Inc v. Cooper Lighting LLC	04/24/26	Patent Owner :ETi Solid State Lighting Inc	.
1:26-CV-00424	N.D. IL	Charles Walters Equipment LLC v. Earthway Products Inc	01/14/26	Challenger :Charles Walters Equipment LLC	.
4:25-CV-02346	N.D. OH	Loops LLC v. Maxill Inc	10/30/25	Patent Owner :Loops LLC	.
1:25-CV-23275	S.D. FL	Greentouch USA Inc v. Twin Star Intl Inc	07/22/25	Challenger :Twin Star Intl Inc	.
1:25-CV-01316	N.D. OH	Midwest Products Inc v. Blue Line Crafts LLC	06/25/25	Patent Owner :Midwest Products Co	.
1:24-CV-00894	N.D. OH	Shenzhen Wan Rong Technology Co Ltd v. ADR Products LLC	05/20/24	Patent Owner :ADR Products LLC	.
1:23-CV-00631	N.D. OH	Telebrands Corp v. Winston Products LLC	03/24/23	Patent Owner :Telebrands Corp	.
1:23-CV-00486	N.D. OH	Wangs Alliance Corp v. Hinkley Lighting Inc	03/10/23	Challenger :Wangs Alliance Corp	.
5:22-CV-02235	N.D. OH	Lexington Luminance LLC v. Technical Consumer Products Inc	12/12/22	Challenger(W) :Technical Consumer Products Inc	.
9:22-CV-80333	S.D. FL	Whalen Ltd v. Twin Star Intl Inc	03/03/22	Challenger :Twin Star Intl Inc	.

Ratings Trends

Practice Areas