49 CFR § 24.107
Certain litigation expenses
November 18, 2020
The owner of the real property shall be reimbursed for any reasonable expenses, including reasonable attorney, appraisal, and engineering fees, which the owner actually incurred because of a condemnation proceeding, if:
(a) The final judgment of the court is that the Agency cannot acquire the real property by condemnation;
(b) The condemnation proceeding is abandoned by the Agency other than under an agreed-upon settlement; or
(c) The court having jurisdiction renders a judgment in favor of the owner in an inverse condemnation proceeding or the Agency effects a settlement of such proceeding.