Indiana Code Title 32. Property § 32-28-12.5-5

Sec. 5. A broker company may have a lien upon commercial real estate, or any interest in commercial real estate, that is the subject of a purchase, a lease, or other conveyance to a buyer or tenant, in the amount that the broker company is due for licensed services, including brokerage fees, consulting fees, and management fees due the broker company under a written agreement, a contract, or another written instrument:

A lien under this chapter is available to the broker company named in the written agreement, contract, or other written instrument signed by the owner, buyer, or tenant, or their respective agents, and not to an employee or independent contractor of the broker company.