Transcript for Actor's Custody Battle Shines Light on Sperm Donor Rights
Starting with the bitter custody battle for jason patric. Our friend, larry patrick from "people" magazine. First, let's get the story from brandi hitt. Reporter: Jason patric, testified before the california legislature, hoping to see his 3-year-old son again. I have to be gus' voice, my son. A voice that I have not heard in 25 weeks. Reporter: The lost boy's actor is asking state lawmakers to change a loophole in a 2011 law, that classifies him and other men, not as parents, but as sperm donors. We intended to parent these children. We raised these children. We love these children. Reporter: Patric says he agreed to be the donor for his one-time girlfriend's in vitro fertilization documents. And was involved in gus' life. But she agreed she would raise gus alone. A judge later ruled, patric was a donor under the law and could not sue for custody. I can assure you, he never acted like a parent after the birth. Never intended to be a parent. Reporter: The new bill would allow sperm donors to ask for parental rights, if they can show involvement in the child's life. And the committee voted to hold it for further discussion. For "good morning america," brandi hitt, abc news, los angeles.
This transcript has been automatically generated and may not be 100% accurate.