Financing in economic growth era is an important component in the way for supplying goods and the asset. Through leasing we found an alternative way in financing program. This mechanism of leasing is based on the periodical payments with or without an option right for buying goods or the asset and extend lease time by the mutual agreement. Leasing first developed on 1850 in America and then spread to Indonesia in 1970. The parties in lease agreement are lessor, the lessee and the supplier. These lease agreements are often potentially damaging to the parties that are between the lessee and the lessor of default, which occurs to the lessee for not fulfilling the obligations financed by the lessor, while there are new rights emerging against the lessor. This research discusses legal protection for parties to lease agreements as procedures of rights, especially to lessors who are not fulfilled by lessee. The type of this research is normative and the object are based on primary, secondary law and tertiary legal materials. The approach used is legislation with qualitative analysis