Wednesday, June 10, 2026

Intelligence · Patents

Patents expiring in 2041

Annual patent cliff calendar for 2041 — US pharmaceutical patents by expiration date.

Patents
2,000

Quick answer

2,000 indexed pharmaceutical patents have expiration dates in 2041. Browse by soonest expiry with links to assignee companies and related drugs.

  1. US 11207283

    Inactivators of toxoplasma gondii ornithine aminotransferase for treating toxoplasmosis and malaria

    Northwestern University · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  2. US 11208640

    Modulating human Cas9-specific host immune response

    ARIZONA BOARD OF REGENTS FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  3. US 11208493

    Internalizing human monoclonal antibodies targeting prostate and other cancer cells

    The Regents of the University of California · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  4. US 11208479

    CX43 hemichannel antibodies and methods of use

    The Board of Regents of the University of Texas System · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  5. US 11208470

    DNA antibody constructs and method of using same

    Inovio Pharmaceuticals, Inc. · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  6. US 11208456

    Anti-KRAS-G12D T cell receptors

    The United States of America, as represented by the Secretary, Department of Health and Human Services · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  7. US 11208634

    Deimmunized therapeutic compositions and methods

    Regents of the University of Minnesota · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  8. US 11208458

    Compositions and methods for internalizing enzymes

    REGENERON PHARMACEUTICALS, INC. · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  9. US 11208416

    Selective inhibitors of protein arginine methytransterase 5 (PRMT5)

    Prelude Therapeutics, Incorporated · Granted Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 23 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  10. CN 113874050

    MODIFIED CYANINE DYES AND CONJUGATES THEREOF

    BRACCO IMAGING SPA · Granted Fri Dec 31 2021 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Thu Dec 26 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  11. US 11213526

    Methods of treating neuroepithelial tumors using selective glucocorticoid receptor modulators

    Corcept Therapeutics Incorporated · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  12. US 11213593

    Sequence-specific cellular uptake of spherical nucleic acid nanoparticle conjugates

    Northwestern University · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  13. US 11214621

    Methods for treating chronic sinusitis with nasal polyps by administering an IL-4R antagonist

    REGENERON PHARMACEUTICALS, INC. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  14. US 11213513

    Compositions and methods for promoting hair growth with Mpc1 inhibitors

    The Regents of the University of California · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  15. US 11215617

    Treatment of metastatic prostate cancer

    The Regents of the University of California · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  16. US 11214803

    Modulators of YAP1 expression

    Ionis Pharmaceuticals, Inc. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  17. US 11214802

    RNAi agents for inhibiting expression of alpha-ENaC and methods of use

    Arrowhead Pharmaceuticals, Inc. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  18. US 11214801

    RNAi agents and compositions for inhibiting expression of apolipoprotein C-III (APOC3)

    Arrowhead Pharmaceuticals, Inc. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  19. US 11214603

    C3D cellular and acellular vaccines for the prevention and treatment of cancer

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  20. US 11214574

    Selective inhibitors of protein arginine methyltransferase 5 (PRMT5)

    Prelude Therapeutics, Incorporated · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  21. US 11214567

    Small molecule inhibitors of MYC and uses thereof

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  22. US 11214595

    BK channel-modulating peptides and their use

    The Board of Regents of the University of Texas System · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  23. US 11214569

    Prodrugs of quinuclidine ring-containing muscarinic agonists and compositions and methods thereof

    Lenz Therapeutics, Inc. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  24. US 11214565

    Compound, compositions, and methods

    DENALI THERAPEUTICS INC. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  25. US 11213592

    Antibody-sting agonist conjugates and their use in immunotherapy

    The Board of Regents of the University of Texas System · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  26. US 11213588

    Multifunctional forms of polyoxazoline copolymers and drug compositions comprising the same

    Serina Therapeutics, Inc. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  27. US 11213549

    Compositions and method for treating primary sclerosing cholangitis and related disorders

    Finch Therapeutics Holdings LLC · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  28. US 11213529

    Salt of substituted urea derivative and use thereof in medicine

    SUNSHINE LAKE PHARMA CO., LTD. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  29. US 11213582

    Protection against recurrent genital herpes by therapeutic immunization with herpes simplex virus type 2 ribonucleotide reductase protein subunits

    The Regents of the University of California · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  30. US 11213514

    Alpha-1-adrenergic receptor agonist therapy

    The Regents of the University of California · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  31. US 11213524

    Pharmaceutical compositions for subcutaneous administration of levosimendan

    TENAX THERAPEUTICS, INC. · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted
  32. US 11213497

    Antibiofilm formulations

    Arizona Board of Regents on Behalf of Northern Arizona University · Granted Tue Jan 04 2022 00:00:00 GMT+0000 (Coordinated Universal Time) · Expires Mon Dec 30 2041 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

Frequently asked questions

How many pharma patents expire in 2041?

2,000 published patents in our USPTO index have expiration dates falling in calendar year 2041.