If he has been established as the father administratively by the proper execution of a Voluntary Acknowledgement of Paternity, or has established paternity by court order, then he doesn't need to do anything further.
If none of the above is true, he can still file a petition to establish paternity with the court and have the court declare him to be the father. He will need to allege the facts you set forth above.
This response is being provided for information purposes only and does not constitute an attorney client relationship. Furthermore, I am only licensed to practice law in the State of Illinois. While there are oftentimes similarities between States' laws, there can also be large differences. You should not rely on this response as legal advice and are highly encouraged to speak to an attorney licensed in your State for an accurate legal answer.
You have asked this over and over and the answer does not change. He needs to consult a local family law attorney.
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