John R. Posthumus
PolsinelliGeneral
Experience25 yrs
Elite Ratings
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Practice Areas
Chemical Biotech (1 case)
Biotech (1 case)
Chemical (1 case)
Comp. Arch. and Software (9 cases)
Software, Security (7 cases)
Ratings
Experience
Grade
Trend
DCT
L2
E
PTAB
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CAFC
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Cases
Case # | Court | Caption | Filed | Represent |
|---|---|---|---|---|
| 1:25-CV-01364 | Valmont Industries Inc v. Amphenol Corp | 11/07/25 | Patent Owner | |
| 3:23-CV-01207 | Valmont Industries Inc v. Better Metal LLC | 11/16/23 | Patent Owner | |
| 1:21-CV-00764 | Nanexa Ab v. Vitrivax Inc | 05/27/21 | Challenger | |
| 1:21-CV-00988 | Concealfab Corp v. Rosenberger Site Solutions | 04/07/21 | Patent Owner | |
| 1:20-CV-01281 | Ifetch LLC v. Shenzhen Coolmate Ltd | 05/07/20 | Patent Owner | |
| 2:20-CV-00278 | MacNeil Automotive Products Ltd v. Yita LLC | 02/21/20 | Patent Owner | |
| 1:19-CV-01617 | Well Master Corp v. Luckyshot LLC | 06/05/19 | Challenger | |
| 1:17-CV-03127 | BMC Software Inc v. Cherwell Software LLC | 12/22/17 | Patent Owner | |
| 1:17-CV-01399 | Cherwell Software LLC v. BMC Software Inc | 06/08/17 | Patent Owner | |
| 1:16-CV-02737 | Wine Master Cellars v. Stact Wine Displays Inc | 11/08/16 | Patent Owner |