St. Petersburg, Fla.-based SP Technologies has filed suit against Apple, alleging that the iPhone?s touchscreen-based keyboard violates an SP patent. The suit claims ?Apple has infringed, and is now infringing? the patent ?through the use, sale, [and] offer for sale of its iPhone product and system.? The patent, U.S. patent number 6,784,873 B1, describes a ?method and medium for a computer readable keyboard display?

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