Wednesday, June 10, 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 1224 of 1,261
  1. US 6261789

    Methods for detecting the presence of a PSCA protein using PSCA antibodies

    The Regents of the University of California Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  2. US 6262335

    Transgenic mice expressing APP mutant at amino acids 717, 721 and 722

    Regents of the University of Minnesota Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  3. US 6262336

    Expression of a heterologous protein C in mammary tissue of transgenic animals using a long whey acidic protein promoter

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  4. US 6262244

    DNA and amino acid sequence specific for natural killer cells

    Regents of the University of Minnesota Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  5. US 6262267

    Thienopyridine compound

    Takeda Chemical Industries Ltd. Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  6. US 6262120

    GABA and L-glutamic acid analogs for antiseizure treatment

    Northwestern University Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  7. US 6262257

    Calixpyrroles, calixpyridinopyrroles and calixpyridines

    The Board of Regents of the University of Texas System Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  8. US 6262242

    Tumor suppressor designated TS10Q23.3

    The Board of Regents of the University of Texas System Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  9. US 6262235

    Leptospiral outer membranes protein, LipL46

    The Regents of the University of California Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  10. US 6262047

    Selective factor Xa inhibitors

    COR Therapeutics, Inc. Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  11. US 6261831

    Ultra-wide band RF-enhanced chemotherapy for cancer treatmeat

    United States of America as represented by the Secretary of the Air Force Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  12. US 6262283

    Stereoselective synthesis of 24-hydroxylated compounds useful for the preparation of aminosterols, vitamin D analogs, and other compounds

    Magainin Pharmaceuticals Inc. Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  13. US 6261790

    Monoclonal antibodies and antibody cocktail for detection of prion protein as an indication of transmissible spongiform encephalopathies

    The United States of America, as represented by the Secretary of Agriculture Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  14. US 6262069

    1-amino-7-isoquinoline derivatives as serine protease inhibitors

    Protherics Molecular Design Ltd. Β· Granted Jul 17, 2001 Β· Expires Jul 12, 2021

    expired
  15. AT E203027

    PENEMDERIVATE, DEREN HERSTELLUNG UND SIE ENTHALTENDE PHARMAZEUTISCHE ZUSAMMENSETZUNGEN

    MENARINI FARMA IND [IT] Β· Granted Jul 15, 2001 Β· Expires Jul 10, 2021

    expired
  16. US 6258788

    DNA vaccines against tick-borne flaviviruses

    The United States of America as represented by the Secretary of the Army Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  17. US 6258948

    Inhibitors of Interleukin-1.beta. converting enzyme

    Vertex Pharmaceuticals Incorporated Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  18. US 6258789

    Delivery of gene products by intestinal cell expression

    The Regents of the University of California Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  19. US 6258775

    Bi-aromatic compounds, pharmaceutical and cosmetic compositions containing same and uses

    Centre International de Recherches Dermatalogiques Galderma (C.I.R.D.) Galderma Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  20. US 6258556

    cDNA and genomic clones encoding human .mu. opiate receptor and the purified gene product

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  21. US 6258870

    Gels for encapsulation of biological materials

    The Board of Regents of the University of Texas System Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  22. US 6258939

    PSCA antibodies and hybridomas producing them

    The Regents of the University of California Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  23. US 6258845

    DFMO and sulindac combination in cancer chemoprevention

    Arizona Board of Regents on Behalf of the University of Arizona Β· Granted Jul 10, 2001 Β· Expires Jul 5, 2021

    expired
  24. US 6255336

    Amino ceramide-like compounds and therapeutic methods of use

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Jul 3, 2001 Β· Expires Jun 28, 2021

    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.