The US Patent and Trademark Office has ruled, once again, that The University of Califonia's controversial '906' browser patent is invalid. The decision gives Microsoft the upper hand in its battle with university spin-off Eolas, the sole licensee of the patent.
A source "familiar with the documents" said the PTO ruling rejects all ten patent claims it reviewed, CNET reports. The two companies have been locked in a legal battle over the patent for over a year.
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