William E. Duffin

Godfrey & KahnLocal

General

Experience9 yrs

Elite Ratings

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Practice Areas

Mech Eng, Manuf (1 case)

Comp. Arch. and Software (1 case)

Law Firms

weduffin@gklaw.com

Ratings

Experience

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DCT

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PTAB

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CAFC

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Cases

Case #	Court	Caption	Filed	Represent
2:10-CV-00182	E.D. WI	Ruehl v. Am General LLC	03/04/10	Patent Owner(L) :Phillip C Ruehl	.
4:07-CV-00185	E.D. MO	Advanced Software Design Corp v. Federal Reserve Bank Of St Louis	01/22/07	Challenger(W) :Federal Reserve Bank of Atlanta	.
2:04-CV-00905	E.D. WI	Adenta GmbH v. OrthoArm Inc	09/21/04	Patent Owner	.
2:04-CV-00438	E.D. WI	Colman Group Inc v. C&K Mfg Sales LLC	05/06/04	Patent Owner	.
2:04-CV-00437	E.D. WI	Colman Group Inc v. Golden West Sales	05/06/04	Patent Owner	.
2:03-CV-01374	E.D. WI	Coleman Group Inc v. Carlisle FoodService Products Inc	12/01/03	Patent Owner	.
3:03-CV-00307	W.D. WI	Vent Matic Co Inc v. Perlick Corp	06/11/03	Challenger	.
2:02-CV-00181	E.D. WI	OrthoArm Inc v. American Orthodontic	02/19/02	Challenger	.
2:01-CV-00152	E.D. WI	Scag Engineering LLC v. Ransomes Inc	02/12/01	Patent Owner	.

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