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Legal Information: Oklahoma

Custody

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Updated: 
December 8, 2023

How can paternity be established in Oklahoma?

In Oklahoma, paternity can be established in the following ways:

  • through a court process;1 
  • by signing an acknowledgment of paternity;2 
  • because the child was born during the marriage or within 300 days after the marriage ended; or
  • because for the first two years of the child’s life, the father lived in the same household as the child, and he openly acted as if the child was his.3

1 10 O.S. § 7700-201(3)
2 10 O.S. § 7700-301 
3 10 O.S. § 7700-204

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