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Stream Theory Files Patent Infringement Suit

Softricity, AppStream and Exent Named in Patent Infringement Suit


IRVINE, CA. - May 22, 2006: Streaming application technology provider Stream Theory today filed a lawsuit against Softricity, AppStream and Exent claiming the three companies are infringing on its U.S. patent number 6,453,334. The lawsuit, filed in the United States District Court for the Central District of California, seeks damages and an injunction against Softricity, AppStream and Exent for their willful infringement of the patent.

Stream Theory stated the U.S. patent office issued the patent on September 17, 2002. The patent describes "Method and apparatus to allow remotely located computer programs and/or data to be accessed on a local computer in a secure, time-limited manner, with persistent caching." The patent application was originally filed with the U.S. Patent Office on June 16, 1997, and is believed to be the earliest patent in the field of streaming software.

About Stream Theory

Founded in 1996, Stream Theory, Inc. is a subsidiary of Tadpole Technology plc (LSE: TAD). Stream Theory is revolutionizing the manner in which software is purchased, delivered and accessed by enabling true software-on-demand and virtualization models. Stream Theory has developed a patented framework that is a piracy deterrent for software publishers. The Company is a leading supplier of software streaming technology for delivering and managing software applications worldwide over IP and digital media. Leading software publishers, developers, portals, ASPs, and broadband ISPs have deployed the company's patented technology. Stream Theory is a Microsoft Gold Certified Partner and an IBM PartnerWorld member. For more information and licensing opportunities, visit

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Stream Theory, Inc.
19600 Fairchild Rd. Suite 350, Irvine, CA. 92612 t. 949.833.2800 f. 949.833.2881

Media Relations Contact:
Ron Koren
Stream Theory, Inc.
+1 949 833 2800

Investor Relations Contact:
Steig Westerberg
Stream Theory, Inc.
+1 949 833 2800

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