title: Special patent provisions for pharmaceuticals: have they outlived their usefulness? A political, legislative and legal history of U.S. law and observations for the future.
authors.forename: A B
authors.initials: AB
authors.lastname: Engelberg
mesh_terms: D017277:Drug Approval / Q000331:legislation & jurisprudence; D004345:Drug Industry / Q000191:economics / Q000331:legislation & jurisprudence*; D016568:Drugs, Generic / Q000191:economics*; D015507:Drugs, Investigational; D049673:History, 20th Century; D006801:Humans; D007449:Investments; D010330:Patents as Topic / Q000266:history / Q000331:legislation & jurisprudence*; D011057:Politics; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D016568:Drugs, Generic; D015507:Drugs, Investigational