Okla. Stat. tit. 10, § 10-7700-606: No limitation for parentage proceeding with no

presumed, acknowledged, or adjudicated father.

A proceeding to adjudicate the parentage of a child having no

presumed, acknowledged, or adjudicated father may be commenced at

any time, even after:

1. The child becomes an adult, but only if the child initiates

the proceeding; or

2. An earlier proceeding to adjudicate paternity has been

dismissed based on the application of a statute of limitation then

in effect.