AT&T Beats Patent Infringement Claim Over Remote Transmitters

AT&T Corp. survived a patent infringement claim from United Asset Technologies LLC after the Federal Circuit found there wasn’t sufficient evidence that the telephone service provider’s remote terminals were in locations covered by the patents.

UAT failed to establish a jury question over AT&T’s alleged infringement, according to a nonprecedential opinion from the U.S. Court of Appeals for the Federal Circuit.

AT&T didn’t literally infringe the patents nor did it infringe by the doctrine of equivalents, a legal rule that says parties can be liable for patent infringement even if the invention doesn’t infringe every limitation of a patent claim, ...