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Open Access

Peer-reviewed

Research Article

Polymorphs and Prodrugs and Salts (Oh My!): An Empirical Analysis of “Secondary” Pharmaceutical Patents

  • Amy Kapczynski ,

    Contributed equally to this work with: Amy Kapczynski, Chan Park, Bhaven Sampat

    Affiliation Yale Law School, Yale University, New Haven, Connecticut, United States of America

    ⨯
  • Chan Park ,

    Contributed equally to this work with: Amy Kapczynski, Chan Park, Bhaven Sampat

    Affiliation Medicines Patent Pool, Geneva, Switzerland

    ⨯
  • Bhaven Sampat

    Contributed equally to this work with: Amy Kapczynski, Chan Park, Bhaven Sampat

    bns3@columbia.edu

    Affiliation Department of Health Policy and Management, Mailman School of Public Health, Columbia University, New York, New York, United States of America

    ⨯

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