Yes, your friend will likely be found to be the father regardless whether the child is his or not. There is a doctrine in Pennsylvania known as "paternity by estoppel". This doctrine states that if a person continues to hold himself out to be the parent of the child, and continues to undertake actions to foster a relationship with that child, that the Court will hold him to be the father of that child, which would therefore entitle the mother to support.
The answer provided is for general information only. No attorney-client relationship has been formed. Please contact an attorney in your area for case-specific advice.
I agree with Mr. Hirschmann. Suggest to your friend that he schedule an appointment with an experienced family law attorney in his area to discuss his situation in detail and learn what options he may have.
Be sure to click Best Answer if you found this helpful. Disclaimer: Please note that this response does not in any way an attorney-client relationship between Kathryn L. Hilbush and the recipient. My responses are general in nature. They do not constitute legal advice. You are advised to consult an attorney regarding this and any other legal matters.