Ruckus Wireless, Inc. v. Innovative Wireless Solutions, LLC, No. 15-1425 (Fed. Cir. 2016)
Annotate this CaseMSV’s “Terry patents” are a line of continuations beginning with the 895 patent; they concern techniques for providing access to a local area network (LAN) from a relatively distant computer. When two computers on the LAN transmit onto the medium concurrently, they create interference known as a “collision,” and the concurrent communications may be lost. It is not practical to use LAN protocols with collision detection over long distances, such as those spanned by telephone lines. The Terry patents describe an approach by which a computer may communicate with a LAN over the long distances covered by telephone lines, using a collision avoidance scheme rather than a collision detection scheme. In 2013, IWS sued several dozen hotels and coffee shops doing business in the Eastern District of Texas, alleging infringement by providing WiFi Internet access to customers using off-the-shelf WiFi equipment sold by Ruckus and Cisco. The district court entered final judgment of non-infringement, holding the asserted patent claims are limited to wired rather than wireless communications. The Federal Circuit affirmed, finding that no intrinsic or extrinsic evidence suggesting that “communications path” encompasses wireless communications.
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