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How logically impossible patents block biosimilars

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Deep patent portfolios help drugmakers block market entry by potential biosimilars, but many biologic patents logically cannot be valid barriers to competitive entry.

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Acknowledgements

The authors thank B. Potter and B. Wright for research assistance. WNP’s work was supported by the Cook Fund at the University of Michigan Law School and the Novo Nordisk Foundation (NNF17SA0027784).

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Authors and Affiliations

  1. University of Michigan Law School, Ann Arbor, MI, USA

    W. Nicholson Price II

  2. Centre for Advanced Studies in Biomedical Innovation Law, Copenhagen, Denmark

    W. Nicholson Price II

  3. Duke University Law School and Duke-Margolis Center for Health Policy, Durham, NC, USA

    Arti K. Rai

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  1. W. Nicholson Price II
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  2. Arti K. Rai
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Correspondence to W. Nicholson Price II.

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Price, W.N., Rai, A.K. How logically impossible patents block biosimilars. Nat Biotechnol 37, 862–863 (2019). https://doi.org/10.1038/s41587-019-0196-x

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