Patenting Inventions or Inventing Patents? Continuation Practice at the USPTO

Cesare Righi and Timothy Simcoe

No 27686, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: Continuations allow inventors to add new claims to old patents, leading to concerns about inadvertent infringement and holdup. We study the use of continuations to obtain standard essential patents (SEPs), a setting where patents are easily linked to possibly infringing technology. Continuation filings increase after standard publication. This effect is larger when patent examiners are more lenient, and for applicants with licensing-based business models. Claims of SEPs also become more similar after standard publication, and late claiming is positively correlated with litigation. Our findings suggest widespread use of continuations to “invent patents” that are infringed by already-published standards.

JEL-codes: K11 L15 O34 (search for similar items in EconPapers)
Date: 2020-08
New Economics Papers: this item is included in nep-ind, nep-ino and nep-ipr
Note: IO PR
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Citations: View citations in EconPapers (2)

Published as Cesare Righi & Tim Simcoe, 2021. "Patenting Inventions or Inventing Patents? Strategic Use of Continuations at the USPTO," Academy of Management Proceedings, vol 2021(1).
Published as Cesare Righi & Timothy Simcoe, 2023. "Patenting inventions or inventing patents? Continuation practice at the USPTO," The RAND Journal of Economics, vol 54(3), pages 416-442.

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