Canadian wireless technology licensing company Wi-LAN has begun legal action against Cisco, alleging the networking giant's Linksys and Aironet products are making use of its intellectual property without permission.
Cisco is taking legal action
Wi-lan is the company taking legal action therefore it is incorrect. 
( z1 act :ARG0 ( z2 company :name ( z3 name :op "Cisco" ) ) :ARG1-of ( z4 legal ) )