HTC Corp v. IPCom GMBH, Dkt. No. 2011-1004 (Fed. Cir. Jan 30, 2012) [PDF].
HTC sue IPcom for declaratory judgement of non-infringement of IPCom’s Patents, including U.S. Pat. No. 6,879,830 and IPCom countersued for infringement. The ‘830 patent is directed to the handover of a cellular phone from one base (tower) to another, as for example, when a person uses a cell phone in a car traveling between coverage areas. The invention is intended to reduce the chance of service interruption during the handover.
Claim 1 provides:
A mobile station for use with a network including a first base station and a second base station that achieves a handover from the first base station to the second base station by:
storing link data for a link in a