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SRI International of Menlo Park Wins Patent Battle Over Enterprise Network Intrusion Detection Technology

Wednesday, September 24, 2008

Rdwood City, CA -- On September 19, a Delaware federal district court jury found that SRI International’s patent # 6,711,615 and patent # 6,484,203 for enterprise network intrusion detection technology were valid. Further, the jury found that Symantec Inc. and Internet Security Systems, Inc. infringed those patents in certain network security products. Fish & Richardson P.C. represented SRI.

SRI International invented a practical and effective enterprise-wide intrusion detection system that solved the fundamental problems of dealing with computer security in large, dispersed, and high-traffic networks. The SRI technology covers both software and hardware form factors. These inventions were secured by the # 615 and # 203 patents.

The jury found that Symantec infringed the ’615 and ’203 patents in their Manhunt series of products (iForce IDS, ManHunt 3.0, Symantec Network Security 4.0 and Symantec Network Security 7100) as well as the Symantec Gateway Security products in combination with Incident Manager 3.0/Security Information Manager 9500 series products. The jury also found that ISS infringed the ’615 and ’203 patents in their RealSecure Network, Guard, Server, and Desktop series and Proventia A, G, M, Server, and Desktop series sensor products, in combination with Security Fusion 2.0.

The case was originally dismissed on a summary judgment of invalidity. That ruling was successfully appealed by Fish to the Federal Circuit which vacated the summary judgment ruling and remanded the case for trial. Fish attorneys from Silicon Valley tried the case over a two-week period. Symantec and ISS were represented by Day Casebeer LLP and King & Spalding LLP, respectively.

Network intrusion detection is a vital technology to a vast number of enterprises, including companies in Silicon Valley and around the globe. Sales of the infringing products amount to hundreds of millions of dollars.

SRI International is an independent, nonprofit research institute conducting client-sponsored research and development for commercial businesses, government agencies, and foundations. SRI is well known for its legacy of innovations in communications and networks, computing, economic development and science and technology policy, education, energy and the environment, engineering systems, pharmaceuticals and health sciences, homeland security and national defense, materials and structures, and robotics. SRI also licenses its technologies, forms strategic alliances, and creates spin-off companies.

Founded in 1878, Fish & Richardson is one of the largest law firms in the U.S. practicing exclusively in the areas of intellectual property, litigation and corporate law. The firm has nearly 500 attorneys in ten offices in the United States and one office in Germany. Fish & Richardson has long represented great innovators and entrepreneurs, including pioneering inventors such as Alexander Graham Bell, Thomas Edison, and the Wright Brothers. Fish & Richardson handles more patent litigation than any other law firm in the U.S. (IP Law & Business July 2008). The firm also handles more patent litigation before the International Trade Commission (ITC) than any other firm in the nation (IP Law & Business June 2008). It also rates among the top U.S. firms in patents and trademarks obtained. Fish & Richardson was named "Law Firm of the Year for Life Sciences and Biotechnology" by Managing Intellectual Property magazine in April 2008. In August 2007, Fish was named the top intellectual property (IP) law firm in the U.S. in Corporate Counsel Magazine’s sixth annual survey of "Who Represents America's Biggest Companies."

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