Yes, they often are found illegal by courts: >Since 2001, the FTC has filed a number of lawsuits to stop these deals, and it supports legislation to end such “

Yes, they often are found illegal by courts: >Since 2001, the FTC has filed a number of lawsuits to stop these deals, and it supports legislation to end such “pay-for-delay” settlements.[1] The FTC lists 4 cases since 2019, but there seems to have been a bunch more prior to 2019 that only have press releases[2] [1] https://www.ftc.gov/news-events/topics/competition-enforcement/pay-delay https://www.ftc.gov/news-events/topics/competition-enforceme... [2] https://www.ftc.gov/news-events/press-releases/terms/935 https://www.ftc.gov/news-events/press-releases/terms/935