Prepaid Phone Call Patent Not Invalid: Fed. Circ.
The lawsuit dates back to December 2004, when Aerotel sued Telco Group Inc., Radiant Telecom Inc. and others in New York, claiming they had infringed U.S. Patent Number 4,706,275.
Based on the district court's claims construction ruling, the parties agreed to a consent judgment of noninfringement and invalidity with respect...
To view the full article, register now.