Friskit to sue RealNetworks over patents

San Francisco technology licensing company Friskit filed suit against RealNetworks and Listen.com in a Chicago, Illinois, court on Friday, charging that the companies had infringed on its patents relating to search engines for creating nonstop play lists for streaming media players, Friskit announced Tuesday.

Friskit claims RealNetworks' RealOne Player Plus software and Listen.com's Rhapsody streaming music service infringe on its patented technology. The suit potentially encompasses revenues from sales of the players and subscription products, Friskit said in a statement.

RealNetworks is in the process of acquiring Listen.com, and also runs a subscription-based streaming media service of its own, RealOne Superpass.

"They are no longer buying an asset, Rhapsody, they are buying a large contingent liability. The more subscribers they get, the more they will owe us in damages," said Friskit Chairman and Chief Executive Officer George Aposporos. [CQ]

RealNetworks declined to comment on the matter.

Friskit was in talks with RealNetworks to license its technology, but filed the lawsuit after licensing negotiations failed, Aposporos said.

Friskit's claims relate to three US patents: number 6,389,467, issued in May 2002, entitled "Streaming Media Search and Continuous Playback System of Media Resources Located by Multiple Network Addresses;" number 6,484,199, issued in November 2002, "Streaming Media Search and Playback System for Continuous Playback Through a Network," and number 6,519,648, issued in February, "Streaming Media Search and Continuous Playback of Multiple Media Resources Located on a Network."

In November 2000, Friskit launched a service via its Web site allowing consumers to search for streaming music from their favorite artists and to build dynamic play lists of such content. It removed the service in early 2001, Aposporos said.

"We created a lot of interesting technology. We had the beginnings of a consumer hit on our hands, but in 2000, if you were in music, that wasn't enough. You could have 10 million [M] or 20 million [M] users, and still not win," he said.

So far, Friskit has only filed suit against RealNetworks and Listen.com, but could spread the net wider.

"We are looking at other services, but we have not reached any conclusions yet," Aposporos said.

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