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Linex Technologies Inc. v. Proxim Wireless Corporation et al.
Represented Proxim Wireless Corporation, a provider of broadband wireless systems, in a patent infringement action involving wireless data more
TQP Development LLC v. The Western Union Company, et al.
Represented The Western Union Company, a global provider of payment services, as a defendant in a patent infringement lawsuit involving data more
Rambus Inc. v. Freescale Semiconductor Inc. et al.
Successfully represented respondents LSI Corp. and Seagate Technologies in defense of a patent infringement action involving external memory more Case Study
Western Union Co. v. Moneygram International Inc.
Represented Western Union in cross-patent infringement action in the U.S. District Court for the Western District of Texas involving patents for more
In re Certain Audiovisual Components and Products Containing the Same
The firm represented complainants LSI Corporation and Agere Systems LLC in this investigation involving video decoder and wireless local area network  more
Actus LLC v. Western Union Financial Services Inc.
Represented Western Union Financial Services, Inc., a provider of global payment services, as a defendant in a patent infringement lawsuit involving more
Agere Sys. Inc. v. Samsung Elec. Co. Ltd.
Represented Agere Systems Inc., a semiconductor manufacturer, in a patent infringement action related to licensing for semiconductor technology. Case  more
Largan Precision Co. v. Genius Electronic Optical Co.
Represent defendant manufacturer and seller of optical lenses against claims of patent infringement. Obtained summary judgment on the vast majority more
In re Certain Semiconductor Devices
Defending Broadcom and its six downstream customers Technicolor, HTC, Comcast, Arista, NETGEAR, and ARRIS in patent infringement and importation more
Realsource Inc. v. Best Buy, et al.
Obtained summary judgment of non-infringement on behalf of defendants Starbucks, Seattleā€™s Best Coffee, Circuit City, Williams-Sonoma, and Pottery more

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David E. Sipiora

Experience Highlights

Agere Sys. Inc. v. Samsung Elec. Co. Ltd.
Represented Agere Systems Inc., a semiconductor manufacturer, in a patent infringement action related to licensing for semiconductor technology. Case more
Freescale Semiconductor v. LSI Corporation
Represented LSI Corporation, a global semiconductor technology company, in a patent infringement action. Case settled. Freescale Semiconductor, more
TQP Development LLC v. The Western Union Company, et al.
Represented The Western Union Company, a global provider of payment services, as a defendant in a patent infringement lawsuit involving data more
Defend Sofa Mart, LLC from claims of copyright infringement arising from fabric designs used in fabric for upholstering furniture
The firm served as lead counsel for Sofa Mart, LLC in the Western District of Wisconsin defending against claims of copyright infringement from more