LG was also sued over a similar patent titled "Mobile radio handover determination based on rise/fall of signal quality as a function of time", also assigned to BT. Steelhead presently owns this patent, including the exclusive right to recover for past infringement it said.
Steelhead demanded a jury trial in all suits, asking for damages sufficient to compensate for past infringement and any continuing and future infringement.
Loek is Amsterdam Correspondent and covers online privacy, intellectual property, open-source and online payment issues for the IDG News Service. Follow him on Twitter at @loekessers or email tips and comments to firstname.lastname@example.org