Microsoft Targets Avistar Patents For USPTO Review
Microsoft informed San Mateo, Calif.-based Avistar that it is challenging 24 of Avistar’s 29 U.S. patents before the Patent and Trademark Office, Avistar said Monday. Microsoft’s call for an extensive reexamination comes after six months of unsuccessful business negotiations between the parties, according to Avistar.
The PTO has already rejected four of Microsoft’s request on procedural grounds, Avistar said. If the procedural errors...
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