COMMENTARY
Patent Expiration of Blockbusters and New Breakthrough Candidates from Japanese Pharmaceutical Companies
Keiji Nakamura, Ph. D.Pharma Forum InstituteKamakura, Japanhttp://www.pharma-fi.com/index.htmlPatent Expiration of BlockbustersAll blockbuster prescription drugs have a life cycle, and patents leave a drug to its fate. During the patent life, a branded product company enjoys a period of market exclusivity or…
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