Okla. Stat. tit. 12, § 12-3318: Waiver and preclusion of privilege

WAIVER AND PRECLUSION OF PRIVILEGE.

A. A privilege under Section 17 of this act may be waived in a

record or orally during a proceeding if it is expressly waived by

all parties and, in the case of the privilege of a nonparty

participant, it is also expressly waived by the nonparty

participant.

B. A person that makes a disclosure or representation about a

collaborative law communication which prejudices another person in a

proceeding may not assert a privilege under Section 17 of this act,

but this preclusion applies only to the extent necessary for the

person prejudiced to respond to the disclosure or representation.