Dennis H. Ma

Ruttenberg IP LawLocal

General

Experience11 yrs

Elite Ratings

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Practice Areas

Chemical (2 cases)

Software, Security (1 case)

Design (3 cases)

Mech Eng, Manuf (3 cases)

Law Firms

Ruttenberg IP Law

Olson & Cepuritis LTD

dma@olsonhierl.com

ruttenbergiplaw.com

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Cases

Case #	Court	Caption	Filed	Represent
2:16-CV-01997	C.D. CA	Ledson v. Vision Light Worx Inc	03/23/16	Patent Owner :Ledson	.
2:15-CV-07185	C.D. CA	Jason Hullinger v. Kunal Anand	09/11/15	Challenger :Agora Systems LLC	.
1:08-CV-06554	N.D. IL	GHI Inc v. Swanson	11/14/08	Challenger :GHI Inc	.
1:07-CV-01375	N.D. OH	Parker Hannifin Corp v. Champion Laboratories Inc	05/11/07	Challenger(L) :Champion Laboratories Inc	.
1:07-CV-01374	N.D. OH	Parker Hannifin Corp v. Wix Filtration Corp	05/11/07	Challenger(L) :Wix Filtration Corp	.
3:07-CV-00903	N.D. CA	Robolaw Corp v. DeVry Inc	02/13/07	Challenger :DeVry Inc	.
1:06-CV-02616	N.D. OH	Parker Hannifin Corp v. Champion Laboratories Inc	10/27/06	Challenger(L) :Champion Laboratories Inc	.
8:06-CV-00619	C.D. CA	Medegen MMS Inc v. ICU Medical Inc	07/06/06	Patent Owner(L) :Medegen MMS Inc	.
1:05-CV-01324	N.D. IL	Douglas Press Inc v. Atlantic Gaming Inc	03/04/05	Challenger	.

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