David B. Cupar
McDonald HopkinsGeneral
Experience19 yrs
Elite Ratings
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Practice Areas
Transport., E-Comm. (22 cases)
Chemical (21 cases)
Semicond., Optic (12 cases)
Mech Eng, Manuf (10 cases)
Communications (7 cases)
Ratings
Experience
Grade
Trend
DCT
L4
C
PTAB
L4
E
CAFC
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Cases
Case # | Court | Caption | Filed | Represent |
|---|---|---|---|---|
| 1:25-CV-23275 | Greentouch USA Inc v. Twin Star Intl Inc | 07/22/25 | Challenger | |
| 1:25-CV-01316 | Midwest Products Inc v. Blue Line Crafts LLC | 06/25/25 | Patent Owner | |
| 1:24-CV-00894 | Shenzhen Wan Rong Technology Co Ltd v. ADR Products LLC | 05/20/24 | Patent Owner | |
| 1:23-CV-00631 | Telebrands Corp v. Winston Products LLC | 03/24/23 | Patent Owner | |
| 1:23-CV-00486 | Wangs Alliance Corp v. Hinkley Lighting Inc | 03/10/23 | Challenger | |
| 5:22-CV-02235 | Lexington Luminance LLC v. Technical Consumer Products Inc | 12/12/22 | ||
| 9:22-CV-80333 | Whalen Ltd v. Twin Star Intl Inc | 03/03/22 | Challenger | |
| 2:22-CV-00158 | AIM High Investment Group LLC v. Spectrum Laboratories LLC | 01/28/22 | ||
| 5:21-CV-02392 | Valeda Co LLC doing Business As Qstraint v. AMF Bruns America LP | 12/22/21 | Patent Owner | |
| 5:21-CV-00170 | Dlhbowles Inc v. Jiangsu Riying E | 01/21/21 | Patent Owner |