
Submission + - Startup Seeks to Preempt Patent Trolls (wsj.com)
anaesthetica writes: The WSJ reports that a San Francisco startup is buying up patents with the promise never to assert them in order to help large corporations hedge against patent trolling firms. The company, RPX Corp, receives an annual fee in exchange for licensing the patents it has purchased. Cisco and IBM have already signed up for this service of 'defense patent aggregation.'