Summary:

Gemstar-TV Guide has filed a patent infringement lawsuit against Tribune-owned Zap2It, a site that includes TV programing guides. The lawsui…

Gemstar-TV Guide has filed a patent infringement lawsuit against Tribune-owned Zap2It, a site that includes TV programing guides. The lawsuit, filed in Delaware, charges that the technology Zap2It uses to help online readers search for TV listings in their area is under patent by Gemstar’s TV Guide.

TV Guide is seeking damages and injunction…It said that past efforts to reach an agreement with Tribune over the patent have been unsuccessful.

For a list of Gemstar patents, go here….the most recent patent it got was for a “Search engine for video and graphics

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