9 years ago
Startups can now buy insurance against threat of patent trolls
RPX is sometimes called a "defensive patent aggregator." The company's main business is to sell expensive memberships to big companies, then buy up patents that are being used, or could be used in the future, by "patent trolls" to sue them. It's an extremely profitable business—this year, RPX is expecting to earn $56 million on $256 million in revenue.
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