It's not clear how he donated. The story only says they didn't go through a licenced doctor. They could have used a turkey baster for all we know.
A SPERM donor in Kansas is fighting a state effort to force him to pay child support for a child conceived through artificial insemination by a lesbian couple.
Very first line of the article.
I have no idea what is the right thing. It sounds like they didn't go through the right process, ie the laws of that state saying IE must be done by a Doctor. You would think they would have gotten that right.