Overview
We investigate cases where companies purchase patents or take ownership of inventions and then allow those rights to sit unused. These transactions can be framed as strategic portfolio management. They can also act to limit rivals or to keep novel methods out of public use. Our role is to collate evidence from studies and reporting and to highlight areas where more transparency is needed.
How buyouts operate
Buyouts range from outright acquisition of patent portfolios to confidential settlements with individual inventors. Tools include asset purchase agreements, non disclosure agreements, and assignment filings recorded at patent offices such as the USPTO or the European Patent Office. Financially, a company may acquire rights for cash or for equity and then place the patents into dormant status or defensive layers sometimes called patent fences or patent thickets.
Peer reviewed research
We distinguish peer reviewed findings from commentary. Michael Kremer proposed patent buyouts as a policy tool in academic literature to incentivise dissemination of invention while compensating inventors. See Kremer, M. 1998. “Patent Buyouts: A Mechanism for Encouraging Innovation.” The Quarterly Journal of Economics. James Bessen and Michael Meurer have documented the economic effects of patents, litigation and firms that monetise patents without practising them in their book Patent Failure, Princeton University Press, 2008. Carl Shapiro has analysed how overlapping rights can impede follow on innovation in “Navigating the Patent Thicket” in Innovation Policy and the Economy, 2001. These works show that patent transfers and the structure of patent rights matter to markets and innovation outcomes.
Expert opinion
We have drawn on the published commentary of academics and legal practitioners. Professor Carl Shapiro of UC Berkeley warns that dense webs of rights can produce hold up problems. James Bessen of Boston University and Michael Meurer of Boston University School of Law argue that non practised patent assertion can impose large private and social costs. Journalists at ProPublica and The Guardian have investigated corporate secrecy and settlement patterns and report recurring themes of confidentiality being used to limit public knowledge rather than to protect trade secrets.
Notable reporting
Investigative journalism provides case level evidence that is distinct from theoretical work. Reporting by outlets such as ProPublica has highlighted how settlements and confidentiality clauses can silence inventors and whistleblowers. Public patent assignment records at the USPTO and EPO can sometimes be used to trace transfers that precede long periods of dormancy.
Speculation
We clearly flag speculation. It is plausible that some buyouts are used to prevent disruptive technologies reaching the market, or to maintain legacy revenue streams. However such claims must be tested against documents, assignments and court records. We do not assert clandestine conspiracies without documentary support. We present possible motives but stress that motive is distinct from proven intent.
What we can do
We suggest scrutiny of assignment records, Freedom of Information requests where applicable, and support for whistleblower protections as ways to improve transparency. Civil society and journalists play an important role in following the money and the paperwork.
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References and sources
- Kremer, M. 1998. "Patent Buyouts: A Mechanism for Encouraging Innovation." The Quarterly Journal of Economics. https://www.jstor.org/stable/2587126
- Bessen, J. and Meurer, M. 2008. "Patent Failure: How Judges, Bureaucrats, and Lawyers Put Innovators at Risk." Princeton University Press. https://press.princeton.edu/books/hardcover/9780691126793/patent-failure
- Shapiro, C. 2001. "Navigating the Patent Thicket: Cross Licenses, Patent Pools, and Standard Setting." Innovation Policy and the Economy. https://faculty.haas.berkeley.edu/shapiro/thicket.pdf
- United States Patent and Trademark Office. Assignment search and patent records. https://assignment.uspto.gov
- ProPublica. Investigations into corporate secrecy and settlements. https://www.propublica.org
- The Guardian. Reporting on corporate confidentiality and public interest cases. https://www.theguardian.com