John R. Posthumus

General

Experience26 yrs

Elite Ratings

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Practice Areas

Mech Eng, Manuf (5 cases)

Transport., E-Comm. (19 cases)

Design (6 cases)

Semicond., Optic (4 cases)

Communications (12 cases)

Law Firms

Polsinelli (Current)

Sheridan Ross

jposthumus@polsinelli.com

Ratings

Experience

Grade

Trend

DCT

L5

E

PTAB

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CAFC

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Cases

Case #	Court	Caption	Filed	Represent
3:26-CV-02426	S.D. CA	NSV Group Fzco v. BD Innovation Collective Inc	04/16/26	Patent Owner :NSV Group Fzco	.
3:26-CV-00299	M.D. TN	Valmont Industries Inc v. Better Metal LLC	03/12/26	Patent Owner :Valmont Industries Inc	.
1:26-CV-00963	D. CO	Re Max LLC v. MMS Investment Group LLC	03/09/26	Patent Owner :Re Max LLC	.
1:25-CV-01364	D. DE	Valmont Industries Inc v. Amphenol Corp	11/07/25	Patent Owner :Valmont Industries Inc	.
3:23-CV-01207	M.D. TN	Valmont Industries Inc v. Better Metal LLC	11/16/23	Patent Owner :Valmont Industries Inc	.
1:21-CV-00764	D. DE	Nanexa Ab v. Vitrivax Inc	05/27/21	Challenger :Vitrivax Inc	.
1:21-CV-00988	D. CO	Concealfab Corp v. Rosenberger Site Solutions	04/07/21	Patent Owner :Concealfab Corp	.
1:20-CV-01281	D. CO	Ifetch LLC v. Shenzhen Coolmate Ltd	05/07/20	Patent Owner :Ifetch LLC	.
2:20-CV-00278	W.D. WA	MacNeil Automotive Products Ltd v. Yita LLC	02/21/20	Patent Owner :MacNeil Automotive Products Ltd	.
1:19-CV-01617	D. CO	Well Master Corp v. Luckyshot LLC	06/05/19	Challenger :Colin L Dutton	.

Ratings Trends

Practice Areas