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AstraZeneca (AZN) was ranked the most the most inventive pharmaceutical company for the second year in a row by IDEA Pharma's Invention and Innovation Index for 2020. Meanwhile, Roche (RHHBY) jumped seven places from its 2019 ranking to capture the top spot in the list of most innovative pharma firms.

IDEA is an international consulting firm that works with pharma companies to position their products in the early phase to maximize market success and consult on innovation. The firm bases its Innovation Index on the answer to the following question: "If two companies had the same molecule, who would be more successful with it?" It also considers their ability to bring products from phases 1 and 2 to market and commercialize them successfully, according to CEO Mike Rea.