The Illinois Final and Irrevocable Waiver of Parental Rights Putative or Legal Father is a legal document used in the state of Illinois to terminate a putative or legal father’s rights and obligations to a child. This document is often used when a child is born to unmarried parents, and the putative father has not established legal paternity by signing a Voluntary Acknowledgment of Paternity form. The waiver is submitted to the court to officially terminate the putative or legal father’s rights and responsibilities. There are two types of waivers of parental rights putative or legal father in Illinois: voluntary and involuntary. The voluntary waiver is signed by the parent or guardian of the child and is filed with the court, while the involuntary waiver is ordered by the court. Both types of waivers are final and irrevocable and will result in the termination of the parent’s rights and obligations to the child.