Indiana Code Title 33. Courts and Court Officers § 33-43-4-2

Sec. 2.  (a) An attorney, not later than sixty (60) days after the date the judgment is rendered, must enter in writing upon the docket or record in which the judgment is recorded, the attorney's intention to hold a lien on the judgment, along with the amount of the attorney's claim.

(b) If an appeal is taken on a judgment, the lien may be entered not later than sixty (60) days after the date the opinion of the higher court is recorded in the office of the clerk of the trial court or after the date of final judgment where the cause is reversed and retried.