Now, isn't THIS some sh$t.
Even when a man does an honorable thing, he's still getting run over because of women and man's not so best friend, the U.S. Court system.
Manlaw: If you're going to be a sperm donor, do your homework. Also, don't be generous in Pennsylvania unless you're willing to roll the dice.
As the last line of the article states "About two-thirds of states have adopted versions of the Uniform Parentage Act that can shield sperm donors from being forced to assume parenting responsibilities. Pennsylvania has no such law."