#178 2008 · RPX Corporation · Intellectual property / technologyrisk-transfer
RPX beats patent trolls to the patents they'd sue you with, then rents you protection from a portfolio it promises never to use offensively
the problem
Every company facing the same category of lawsuit fights it alone, paying full litigation cost each time even though the underlying threat is shared
background
Patent trolls — non-practicing entities that hold patents solely to sue operating companies for licensing fees or damages — cost technology companies billions of dollars in direct litigation expenses, with each company fighting its own lawsuits independently even when the same handful of low-quality but expensive-to-fight patents were being asserted against many different companies in the same industry. The standard defense was purely reactive: hire litigation counsel and fight (or settle) each suit as it came, with no way to prevent the same patent from being used against a competitor next.
John Amster founded RPX Corporation in 2008 around a different premise: instead of every company defending itself after being sued, a single entity could proactively buy the patents most likely to be weaponized by trolls before they were asserted, removing the threat before litigation ever started rather than fighting it afterward.
the move
RPX acquires patents that pose litigation risk to its member base — spending over $100 million a year and building a portfolio of more than 10,000 patents — and licenses its entire portfolio to paying member companies for an annual fee, with a standing commitment never to assert or litigate any patent in its own portfolio against anyone. Any patent RPX owns simply cannot be used to sue a member, converting each company's individual, unpredictable litigation exposure into a shared, prepaid membership cost; the model includes both a premium tier where full members help direct which patents get acquired, and a lighter-weight tier for smaller companies.
the payoff
RPX built a client base of 250-plus companies including IBM, Cisco, Google and Samsung, went public on Nasdaq in May 2011, and executed large coordinated acquisitions on members' behalf — including organizing a consortium to buy roughly 4,000 patents from the Rockstar Consortium (the Nortel patent portfolio) in 2014, patents that might otherwise have been acquired and weaponized by non-practicing entities. RPX remains, per industry coverage, the first and largest company operating this specific defensive-aggregation model.
what came after
RPX's model became a recognized category in intellectual-property strategy — 'defensive patent aggregation' — studied in business-strategy courses (including a Harvard Business School operations case) as a real-world example of converting a shared, uninsurable-feeling legal risk into a pooled membership product; it has also drawn its own controversy, including a 2024 lawsuit alleging RPX, Microsoft and Nvidia formed a buyers' cartel to negotiate patent prices below market rate — a reminder that a defensive aggregator wields enough market power that its own conduct draws the same antitrust-style scrutiny as the trolls it was built to counter.
references
- [1]RPX CorporationWikipedia, 2024en.wikipedia.org
- [2]RPX Corporation: First Defense Against Patent TrollsHarvard Business School — Technology and Operations Management (Digital Initiative), 2016d3.harvard.edu