1 Correction to: IIC https://doi.org/10.1007/s40319-021-01055-9


The article “Perverse Results from Pharmaceutical Patents in the United States”, written by Warren Grimes, was originally published online on the publisher’s internet portal on 28 April 2021 with Open Access under a Creative Commons Attribution (CC BY) license 4.0.


After publication in volume 52, issue 5, page 596–605 the author(s) decided to cancel the Open Access. Therefore, the copyright of the article changed on 21 January 2022 to © Max Planck Institute for Innovation and Competition, Munich 2021 with all rights reserved.