Thursday, June 11, 2026

Patent directory Β· USPTO A61K / A61P

Browse patents

Browse 30,257 pharma-relevant patents (US A61K/A61P) linked to tracked companies, drugs, and pipeline programs.

Patents indexed 30,257
Companies 1,769
Drugs linked 4,797

Quick answer

NovaPharmaNews indexes 30,257 US pharmaceutical patents from USPTO PatentsView (CPC A61K/A61P), cross-linked to company assignees, drug INN profiles, and pipeline programs. Search by patent number, applicant, title, or CPC code β€” or use facet hubs for expiring patents, assignees, and therapeutic areas.

Patent results

Page 1183 of 1,261
  1. US 6541195

    Correction of genetic defects using chemical chaperones

    The Regents of the University of California Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  2. US 6541669

    &bgr;2-adrenergic receptor agonists

    Theravance, Inc. Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  3. US 6541483

    Acridone-derived compounds useful as antineoplastic and antiretroviral agents

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  4. US 6541252

    Human kinases and polynucleotides encoding the same

    Lexicon Genetics, Inc. Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  5. US 6541230

    Detoxification with sponges or foams containing plurality of enzymes and encapsulated indicator

    The United States of America as represented by the Secretary of the Army Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  6. US 6541469

    CRF receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  7. US 6541199

    Identification of a new ehrlichia species from a patient suffering from ehrlichiosis

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  8. US 6537998

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  9. US 6538025

    Aminoindan derivatives

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  10. US 6537979

    Water-insoluble derivatives of hyaluronic acid crosslinked with a biscarbodiimide

    ANIKA THERAPEUTICS, INC. Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  11. US 6537814

    Compositions and methods for altering the biodistribution of biological agents

    BOARD OF REGENTS OF THE UNIVERSITY OF NEBRASKA Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  12. US 6537804

    BCR-ABL directed compositions and uses for inhibiting Philadelphia chromesome stimulated cell growth

    The Board of Regents of the University of Texas System Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  13. US 6537587

    Compositions containing muscle-derived active agents

    CAN-FITE BIOPHARMA LTD. Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  14. US 6537557

    Attenuated dengue-4 virus vaccine

    The United States of America as represented by the Secretary of the Army Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  15. US 6537560

    Melanoma antigens and their use in diagnostic and therapeutic methods

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  16. US 6537768

    Diagnosis, prevention and treatment of ulcerative colitis, and clinical subtypes thereof, using microbial UC panca antigens

    The Regents of the University of California Β· Granted Mar 25, 2003 Β· Expires Mar 20, 2023

    expired
  17. US 6534283

    Method for treatment and prevention of physiological shock

    The Regents of the University of California Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  18. US 6534676

    Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same

    Arizona Board of Regents on Behalf of the University of Arizona Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  19. US 6534496

    Thermogenic composition and benzazepine thermogenics

    Takeda Chemical Industries Ltd. Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  20. US 6534626

    Chemokine variants

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  21. US 6534261

    Regulation of endogenous gene expression in cells using zinc finger proteins

    Sangamo Biosciences, Inc. Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  22. US 6534062

    Methods for increasing a cytotoxic T lymphocyte response in vivo

    The Regents of the University of California Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  23. US 6534310

    Suppression of proteolytic activity by dysfunctional protease formation

    The Regents of the University of California Β· Granted Mar 18, 2003 Β· Expires Mar 13, 2023

    expired
  24. US 6531292

    Genes and proteins controlling cholesterol synthesis

    The Regents of the University of California Β· Granted Mar 11, 2003 Β· Expires Mar 6, 2023

    expired

Frequently asked questions

What patents are included in this directory?

We index 30,257 published US pharma-relevant patents filtered to CPC classes A61K and A61P, with assignee links to our company directory where a match exists.

How do I search for a patent?

Use the search box to match patent number, title, applicant name, or CPC classification (e.g. A61K). For cross-entity queries spanning news and drugs, use the global search.

How is this different from the patent intelligence dashboard?

The dashboard at /patents highlights expirations, recent grants, and assignee rankings. Browse is the full paginated directory with search β€” best for looking up a specific filing or applicant portfolio slice.