Saturday, July 11, 2026

Patent directory · USPTO A61K / A61P

Patents matching “antagonist”

678 pharma patents match "antagonist" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

Matches 678
Index total 30,257
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This filtered view shows 678 pharmaceutical patents matching "antagonist" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

Patent results

678 results for “antagonist” · 30,257 patents in full index Clear search

  1. US 6878709

    3,4-di-substituted pyridazinediones as CXC chemokine receptor antagonists

    Pharmacopeia Drug Discovery, Inc. · Granted Apr 12, 2005 · Expires Apr 7, 2025

    expired
  2. US 6872728

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Mar 29, 2005 · Expires Mar 24, 2025

    expired
  3. US 6849429

    Viral pseudo-capsids including assembly agonists and antagonists

    The Board of Regents of the University of Texas System · Granted Feb 1, 2005 · Expires Jan 27, 2025

    expired
  4. US 6846799

    Preventing airway mucus production by administration of EGF-R antagonists

    The Regents of the University of California · Granted Jan 25, 2005 · Expires Jan 20, 2025

    expired
  5. US 6811780

    Methods of using cytokine antagonists to treat HIV infection and AIDS

    REGENERON PHARMACEUTICALS, INC. · Granted Nov 2, 2004 · Expires Oct 28, 2024

    expired
  6. US 6756038

    Agonist and antagonist peptides of carcinoembryonic antigen (CEA)

    The United States of America, as represented by the Department of Health and Human Services · Granted Jun 29, 2004 · Expires Jun 24, 2024

    expired
  7. US 6750350

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Jun 15, 2004 · Expires Jun 10, 2024

    expired
  8. EP 1425277

    HARNSTOFF-DERIVATE ALS VANILLOID-REZEPTOR-ANTAGONISTEN FÜR DIE SCHMERZBEHANDLUNG

    SMITHKLINE BEECHAM PLC [GB] · Granted Jun 9, 2004 · Expires Jun 4, 2024

    expired
  9. US 6747034

    CRF receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Jun 8, 2004 · Expires Jun 3, 2024

    expired
  10. US 6740656

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted May 25, 2004 · Expires May 20, 2024

    expired
  11. US 6723721

    CRF receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Apr 20, 2004 · Expires Apr 15, 2024

    expired
  12. US 6692741

    Treatment of acute lung injury and fibrosis with antagonists of &bgr;6-specific antibodies

    The Regents of the University of California · Granted Feb 17, 2004 · Expires Feb 12, 2024

    expired
  13. US 6693202

    Muscarinic receptor antagonists

    Theravance, Inc. · Granted Feb 17, 2004 · Expires Feb 12, 2024

    expired
  14. US 6677340

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Jan 13, 2004 · Expires Jan 8, 2024

    expired
  15. US 6673796

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Jan 6, 2004 · Expires Jan 1, 2024

    expired
  16. US 6630124

    Combination therapy with VIP antagonist

    The United States of America, as represented by the Department of Health and Human Services · Granted Oct 7, 2003 · Expires Oct 2, 2023

    expired
  17. US 6620825

    Adenosine A3 receptor antagonists

    Takeda Chemical Industries Ltd. · Granted Sep 16, 2003 · Expires Sep 11, 2023

    expired
  18. US 6620802

    Methods of treating mild cognitive impairment using a glucocorticoid-specific receptor antagonist

    Corcept Therapeutics Incorporated · Granted Sep 16, 2003 · Expires Sep 11, 2023

    expired
  19. US 6608197

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Aug 19, 2003 · Expires Aug 14, 2023

    expired
  20. US 6589547

    Sustained-release preparation for AII antagonist, production and use thereof

    Takeda Chemical Industries Ltd. · Granted Jul 8, 2003 · Expires Jul 3, 2023

    expired
  21. US 6586413

    Methods and compositions for reducing ischemic injury of the heart by administering adenosine receptor agonists and antagonists

    The United States of America, as represented by the Department of Health and Human Services · Granted Jul 1, 2003 · Expires Jun 26, 2023

    expired
  22. US 6583143

    CRF receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. · Granted Jun 24, 2003 · Expires Jun 19, 2023

    expired
  23. US 6569431

    Recombinant antibody fragments as autoantibody antagonists

    The Regents of the University of California · Granted May 27, 2003 · Expires May 22, 2023

    expired
  24. US 6566324

    Preventing airway mucus production by administration of EGF-R antagonists

    The Regents of the University of California · Granted May 20, 2003 · Expires May 15, 2023

    expired