Patent troll Lodsys Group, which last month sued five adult entertainment companies alleging infringement, must respond to a declaratory complaint waged by software giant Oracle.
Reality Kings parent RK Netmedia, Playboy Enterprises, Vouyer Media, Score Internet Group and FriendFinder Networks' Penthouse unit have been named as defendants.
While Lodsys has filed four suits relative to alleged patent infringement over U.S. Patent No. 7,222,078, the holding company has been socked with six declaratory judgment suits that seek to invalidate its patent claims.
A company has offered to pay a bounty for research that invalidates Lodsys patents after it sent out scores of patent infringement notices to online adult companies and other businesses.
More mainstream companies have filed against Lodsys with declaratory suits seeking to invalidate its patent claims, but the patent holding company just filed a new suit naming 10 defendants.
Apple has intervened in a lawsuit that patent holding company Lodsys has waged against iOS developers, arguing that the company is fully licensed to use Lodsys technology and that going after iOS developers could adversely affect Apple's app business.
Patent holding company Lodsys, which recently sent out scores of infringement notices to online adult companies, has itself been hit with a suit over threats of lawsuits and attempts to get companies to license its patented methods.
