Wednesday, June 10, 2026
🇺🇸 FDA

Intelligence · Patents

Patents expiring in 2035

Annual patent cliff calendar for 2035 — US pharmaceutical patents by expiration date.

Patents
1,447

Quick answer

1,447 indexed pharmaceutical patents have expiration dates in 2035. Browse by soonest expiry with links to assignee companies and related drugs.

  1. US 9227995

    Peptides

    DRUG DISCOVERY LABORATORY AS · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 9227933

    3-phenoxymethylpyrrolidine compounds

    Theravance Biopharma R&D IP, LLC · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 9227044

    Applicator for applying a fluid to a surface

    AMNEAL PHARMACEUTICALS LLC · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 9228001

    Mutants of cholesterol-dependent cytolysins and uses thereof

    The Board of Regents of the University of Oklahoma · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 9226971

    N-optionally substituted aryl-2-oligomer-3-alkoxypropionamides

    Nektar Therapeutics · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 9226969

    Salt form of a multi-arm polymer-drug conjugate

    Nektar Therapeutics · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 9227918

    Short acting phenylalkylamine calcium channel blockers and uses thereof

    Milestone Pharmaceuticals Inc. · Granted Tue Jan 05 2016 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 31 2035 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

How many pharma patents expire in 2035?

1,447 published patents in our USPTO index have expiration dates falling in calendar year 2035.

Drug approvals, clinical trials, M&A, event intelligence, and company updates — weekly.

Customize topics & region
Topics
Region

No spam. Unsubscribe anytime. See our privacy policy.