IEEE Spectrum Survey Ranks Digimarc High on List of World's Most Influential Patents for Third Year in a Row

Digimarc Corporation (NASDAQ:DMRC) today announced that it has once again been ranked among the world's most influential patent portfolios, according to the "Patent Prowess" survey published in the December issue of IEEE Spectrum magazine (http://www.spectrum.ieee.org/dec08/7023). Ranked 3^rd in the computer software category, Digimarc placed among such esteemed companies as Microsoft, SAP, America OnLine, Symantec, and Oracle. Digimarc’s score also places it among the leaders in several other categories as well, including the Computer Systems, Computer Storage and Peripherals, and Electronics categories.

"We're thrilled that our continuing initiative to extend the relevance of our patent portfolio has been recognized by IEEE Spectrum for the third year in a row," said Joel Meyer, Vice President, Intellectual Property, Digimarc. "We are honored to place among such influential, innovative companies. This recognition reflects Digimarc's commitment to building valuable patent assets and reflects the breadth and quality of our patents in digital watermarking and related content identification and management technologies."

Digimarc has an extensive intellectual property portfolio, with more than 480 U.S. and foreign patents, and more than 400 pending patent applications in digital watermarking, media content identification and management, and related technologies.

The IEEE Spectrum "Patent Prowess" survey was conducted by 1790 Analytics, an independent research firm that specializes in analyzing intellectual property.

About Digimarc

Digimarc Corporation (NASDAQ:DMRC), based in Beaverton, Oregon, is a leading innovator and technology provider, enabling businesses and governments worldwide to enrich everyday living by giving persistent digital identities to all forms of media and many other objects. The company's technology enables a wide range of solutions for deterring fraud, counterfeiting and piracy, enhancing national security, and enabling new digital media distribution and monetization models that provide consumers with more choice and access to content when, where and how they want it. Digimarc has an extensive intellectual property portfolio, with more than 480 U.S. and foreign patents, and more than 400 patents pending in digital watermarking, media identification and management, and related technologies. Digimarc develops solutions, licenses its intellectual property, and provides development services to business partners across a range of industries. Please go to www.digimarc.com for more company information.

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