The Federal Circuit invalidated two rail-safety patents, delivering a blow to lawsuits accusing Siemens Mobility Inc. and a group of its business partners of infringement.
Metrom Rail LLC sued Siemens, Hitachi Rail GTS USA Inc., Humatics Corp. and Piper Networks Inc. in January 2022 for patent infringement after the coalition of companies won a contract to provide ultra-wideband sensor technology to the New York Transit Metropolitan Transportation Authority. The defendants countered by challenging US Patent Nos. 8,812,227 and 9,043,131 at the Patent Trial and Appeal Board, which determined that all of the claims from the ‘227 patent and 16 of ...
Learn more about Bloomberg Law or Log In to keep reading:
See Breaking News in Context
Bloomberg Law provides trusted coverage of current events enhanced with legal analysis.
Already a subscriber?
Log in to keep reading or access research tools and resources.