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The article analyzes the ways and forms of investing in innovation, taking into account the expansion of opportunities for attracting private and foreign capital, the state of innovation activities of Russian enterprises by studying the dynamics and structure of the volume of innovative goods, works and services, as well as analyzing costs by source of funding. Further, the reasons that impede the development of innovation activities are identified, in accordance with which the main directions for solving them are highlighted. The research object in the article is investment forms that make it possible to apply leasing to the full using the resources of an interstate financial and credit institution and reveal the countries being most attractive for leasing transactions. The problem that the author of this article is trying to solve is the lack of own funds of enterprises for the implementation of innovative activities. This article discusses the ways and forms of financing innovation. It has been found that the most common method of financing for enterprises is leasing. However, it has many shortcomings that impede the development of leasing in Russia at full capacity, as a way of financing innovation.