March 27 Spherix Inc, which buys and
licenses technology patents, said it filed a lawsuit against
Cisco Inc alleging infringement of 11 patents Spherix
acquired from Nortel Networks.
Spherix said the infringement accounted for a "vast
majority" of Cisco's more than $43 billion in sales of routers
and switches in the United States over the five years ended July
Spherix said it acquired the patents from the bankrupt
Canadian telecom company in December last year.
(Reporting by Sruthi Ramakrishnan in Bangalore; Editing by