The collateral source rule prevents personal injury claimants from recovering twice for their damages. [[1](https://www.supremecourt.ohio.gov/rod/docs/pdf/0/2006/2006-ohio-6362.pdf)][[2](https://www.harmonie.org/file/Litigation%20Best%20Practices/Collateral%20Source%20Rule%202016.pdf)][[3](https://www.johndaylegal.com/23-3-collateral-source-rule.html)] Is your injury claim affected? Learn more about this important legal concept.