Okla. Stat. tit. 10, § 10-7700-605: Venue

Venue for a proceeding to adjudicate parentage is in the county

of this state in which:

1. The child resides or is found;

2. The respondent resides or is found if the child does not

reside in this state; or

3. A proceeding for probate or administration of the presumed

or alleged father’s estate has been commenced.