The Patent Trial and Appeal Board said that challenged claims of Lionra Technologies Ltd.'s patent that explains that in an ethernet local area network, computers or hosts are attached to the network and each host is uniquely identified by a physical address are unpatentable as obvious over prior art, in an inter partes review by Cisco Systems Inc. The board determined that the challenged claims are obvious over various combinations of prior art, including prior art that discloses a method and apparatus for organizing, storing and evaluating access control lists; that relates to a method and apparatus for network login ...
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