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Intelligence · Patents

Expiring patents (≤12 months)

Patent cliff watchlist — pharmaceutical patents approaching loss of exclusivity.

Patents
629

Quick answer

629 pharmaceutical patents in our index expire within the next 12 months. Use year facets below for annual patent-cliff planning linked to company and drug profiles.

  1. US 7226602

    Development of mutations useful for attenuating dengue viruses and chimeric dengue viruses

    The United States of America, as represented by the Secretary, Department of Health and Human Services · Granted Tue Jun 05 2007 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon May 31 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 7226588

    Non-toxic mutants of pathogenic gram-negative bacteria

    The Regents of the University of California · Granted Tue Jun 05 2007 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon May 31 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 7226950

    Sodium channel modulators

    Theravance, Inc. · Granted Tue Jun 05 2007 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon May 31 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 7226937

    Methods for modulating phototoxicity

    Board of Regents, University of Arizona · Granted Tue Jun 05 2007 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon May 31 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 7227010

    Recombinant light chains of botulinum neurotoxins and light chain fusion proteins for use in research and clinical therapy

    The United States of America as represented by the Secretary of the Army · Granted Tue Jun 05 2007 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon May 31 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

What is a patent cliff?

A patent cliff is when key pharmaceutical patents expire, opening markets to generics or biosimilars. This hub lists USPTO patents with approaching expiration dates.

Are expiration dates estimates?

Expiration dates derive from USPTO PatentsView grant dates and term estimates. Confirm with Orange Book, patent counsel, and USPTO records before investment decisions.

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