Fed. Circ. Affirms Invalidity Of Source Code Patent

Law360, New York (July 28, 2009, 1:19 PM EDT) -- A federal appeals court has affirmed the U.S. Patent and Trademark Office's rejection on re-examination of all claims of a patent related to source code previously at the heart of an infringement dispute over the spell- and grammar-checking features of Microsoft Corp.'s Word software.

The U.S. Court of Appeals for the Federal Circuit issued the ruling Monday, affirming for both the patent examiner and the Board of Patent Appeals and Interferences that the priority date of the patent -in-suit was actually 1994, when inventor Martin G....
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