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Maintaining patents protecting biologics or small-molecule drugs

A look at the maintenance rates of US patents protecting FDA-approved biologics and small molecules.

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Acknowledgements

This work was entirely supported by a grant from the Institut Merieux, France, for which the authors are deeply grateful.

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Correspondence to Gayatri Saberwal.

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This work has been funded by Institut Merieux, which has commerical interests in the biomedical sector.

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Marimuthu, G., Kumari, S., Kandasamy, M. et al. Maintaining patents protecting biologics or small-molecule drugs. Nat Biotechnol 30, 50–53 (2012). https://doi.org/10.1038/nbt.2082

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