In the article results of the comparative analysis of world experience of stimulation of innovative-investment process through the formation of a favorable tax climate are generalized. Development of tax stimulation of innovation activity is considered as a crucial factor in building a new model of economic growth. It is concluded that within the subject principle there are three elements of the stimulation instrument: amortization privileges, preferences concerning the profits tax, indirect measures of tax stimulation. Conclusions on potential use of foreign tax instruments of stimulation of innovation activity in the Russian conditions are presented.