London intellectual property licensing company BTG International has sued Apple and Microsoft alleging infringement of software technology patents. “BTG, along with Teleshuttle Corp. and Teleshuttle Technologies LLC, filed two lawsuits in U.S. District Court in the Northern District of California,” reports Reuters. “One suit against Apple and Microsoft alleges infringement on Teleshuttle patents covering Web-enabled software update technologies, which are important in helping protect computer users from viruses and other Internet attacks… BTG said the lawsuits are asking for unspecified damages for what it called past infringing activity and an injunction against future use of the technology.”