Journal article
Chilling effects of patent trolls
Abstract
We find that non-practicing entities (NPEs) exhibit a unique legal strategy of sequential rounds: (1) subject to the same patent, NPE plaintiffs file approximately seven follow-on lawsuits after the initial lawsuit; and (2) when a firm is sued by NPEs, the likelihood of its technology peers being sued increases by 14 % in the subsequent year. Defendants' technology peers experience significant market value losses around the lawsuit filing date. …
Authors
Chen F; Hou Y; Qiu J; Richardson G
Journal
Research Policy, Vol. 52, No. 3,
Publisher
Elsevier
Publication Date
4 2023
DOI
10.1016/j.respol.2022.104702
ISSN
0048-7333