Okla. Stat. tit. 12, app 1 R. 1.105
The petitioner shall file a Brief-in-chief in this Court within twenty (20) days from the date of filing the Notice of Completion of Record (Rule 1.301, Form 17); the respondent shall file an Answer Brief within fifteen (15) days after the filing of the Brief-in-chief by the petitioner; the petitioner may file a Reply Brief within ten (10) days after the filing of the Answer Brief by respondent. The parties shall file a copy of each brief or waiver of brief with the clerk of the Workers' Compensation Court within five days of filing in the Supreme Court.
The form and content of the briefs must comply with Rules 1.10 and 1.11 for briefs on an appeal. See Rule 1.77(b).
A copy of all instruments and briefs filed in this Court shall be mailed to the Attorney General.
Okla. Stat. tit. 12, app 1 R. 1.105