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4 Drugs Facing Key Patent Expirations and Potential Generic Entry From September 2021–November 2021

A challenge in anticipating generic entry is elucidating which patents and regulatory protections constrain generic entry. Yali Friedman at DrugPatentWatch presents a set of an estimated loss of exclusivity dates for four drugs, from September through November 2021. These estimated drug patent expiration dates and generic entry opportunity dates are calculated from analysis of known patents and US regulatory protections covering drugs.