SANTA MONICA, Calif., June 14 Stamps.com Inc., announced today that it has filed a complaint against Pitney Bowes for infringing four of Stamps.com's Internet Postage patents. These four patents were invented by Salim Kara, who was recognized by the National Postal Forum and the United States Postal Service with its Retail Postage Technology Award for being the "Inventor of Internet Postage.'' "We are committed to strategically managing our intellectual property portfolio to enhance shareholder value,'' said Stamps.com chief executive officer Bruce Coleman. Stamps.com has more than 40 issued patents and over 80 pending patents worldwide. Stamps.com (Nasdaq: STMP - news) is the leading provider of Internet-based postage services. Its flagship product, Stamps.com Internet Postage, enables customers to print U.S. Postal Service-approved postage via a computer and Internet connection. Based in Santa Monica, California, Stamps.com serves more than 300,000 customers. For more information contact Kathleen Brush at email: [email protected], tel: (310) 581-7275, or on the web at www.stamps.com.