Colo. Rev. Stat. § 13-16-116
In all cases where any person makes an application for a patent to any lode, claim, placer claim, millsite, or other mining property under the mining laws of the United States, and any other person claiming adversely to such applicant files an adverse claim in the proper land office or brings a suit for the purpose of determining the title, or right of possession, to such mining property, or any part thereof, if such adverse claimant, being plaintiff in such suit, prevails, so as to recover costs therein, he shall also recover and be entitled to tax as a part of his said costs all disbursements and expense necessarily incurred and paid by him for plats, abstracts, and copies of papers filed in said land office with his adverse claim, and also a reasonable counsel fee, not exceeding fifty dollars in any case, for the expense of preparing his said adverse claim.
C.R.S. § 13-16-116