Licenses sought by universities found to be little better than those obtained by 'patent trolls'
CIVIX-DDI claims 26 licensing agreements for location-based search technology
LoopNet opts to fight CIVIX in court
Earthcomber alleges patent infringement by Zillow, Trulia, Dominion, RealPage, others
Patent holder CIVIX has lawsuit pending against Trulia
Patent holder: 'Hundreds of licenses' have netted more than $40M in royalties
$7.5M in 'licensing fees' would shield Realtor associations, MLSs from lawsuits
Realtor associations, MLSs pay $2.5 million to license search patents
MLSs, vendors must decide whether to pay up for licensing agreement