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Reuters: The University of California and Eolas Technologies, a company that helps the university commercialize its patents, have sued three of America's largest companies--Facebook, Wal-mart and the Walt Disney Company. UC says Facebook and Wal-mart have violated four of its patents on interactive technology, including those covering hypermedia display and interaction. UC and Eolas also filed a separate lawsuit against Wal-mart and Disney for violating two other patents.
In an earlier court case UC and Eolas brought against Amazon, Google, Yahoo and others, a Texas court invalidated two of the patents that are also at issue in the current case.