It is evident that from the total of 1439 granted patents the largest number of granted patents comes from the field of chemistry (626) in relation to the fields of electrical engineering (117), instruments (142), mechanical engineering (366), and other fields (188). The next analyzed indicator is total investment in R&D measured as a share of GDP. Investments in R&D of EU Transition countries and the Republic of Croatia in the analyzed period from 2001 to 2010 are presented in the following table.