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 1221 of 1,261
  1. US 6277980

    Human papilloma virus inhibition by anti-sense oligonucleotides

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  2. US 6277375

    Immunoglobulin-like domains with increased half-lives

    The Board of Regents of the University of Texas System Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  3. US 6278040

    Receptor-deficient mice and cell lines derived therefrom, and uses thereof

    The Regents of the University of Calif. Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  4. US 6277593

    Dorsal tissue affecting factor and compositions

    THE REGENTS OF THE UNIV. OF CALIFORNIA Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  5. US 6277886

    Pharmaceutical compositions comprising S-(-)-N-propargyl-1-aminoindan

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  6. US 6277557

    Infusible grade short-term cell storage medium

    Regents of the University of Minnesota Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  7. US 6277585

    Netrin receptors

    The Regents of the University of California Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  8. US 6277368

    Cancer immunotherapy using autologous tumor cells combined with cells expressing a membrane cytokine

    The Regents of the University of California Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  9. US 6277973

    Cloning and expression of a DNA sequence encoding a 41 kDa cryptosporidium parvum oocyst wall protein

    The United States of America, as represented by the Secretary of Agriculture Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  10. US 6277827

    Single morphic forms of metalloproteinase inhibitors

    Darwin Discovery Limited Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  11. US 6277869

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. Β· Granted Aug 21, 2001 Β· Expires Aug 16, 2021

    expired
  12. US 6274116

    Compositions for boron delivery to mammalian tissue

    The Regents of the University of California Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  13. US 6274605

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  14. US 6274598

    Methods for treating antibiotic-resistant infections

    The United States of America as represented by the Secretary of the Army Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  15. US 6274611

    Methods and compositions for inhibition of viral replication

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  16. US 6274119

    Methods for labeling .beta.-amyloid plaques and neurofibrillary tangles

    THE REGENTS OF THE UNIV. OF CALIFORNIA Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  17. US 6274751

    Wax esters enriched in .omega.-3 unsaturated fatty acids, their preparation and their use

    PRIME EUROPEAN THERAPEUTICALS S.P.A. Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  18. US 6274557

    Inhibition of nitric oxide synthase by amino acids and dipeptides

    Northwestern University Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  19. US 6274729

    Use of long-wavelength electromagnetic radiation and photoprotective tumor localizing agents for diagnosis

    THE ARIZONA BOARD OF REGENTS Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  20. US 6274702

    Bone stimulating factor

    Gensci Regeneration Science, Inc. Β· Granted Aug 14, 2001 Β· Expires Aug 9, 2021

    expired
  21. US 6270979

    Methods for anti-addictive narcotic analgesic treatments

    The Regents of the University of California Β· Granted Aug 7, 2001 Β· Expires Aug 2, 2021

    expired
  22. US 6270778

    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 Aug 7, 2001 Β· Expires Aug 2, 2021

    expired
  23. US 6270775

    Streptococcal C5a peptidase vaccine

    Regents of the University of Minnesota Β· Granted Aug 7, 2001 Β· Expires Aug 2, 2021

    expired
  24. US 6271214

    Process for the preparation of immunomodulatory polysaccharides from aloe

    Univera Pharmaceuticals, Inc. Β· Granted Aug 7, 2001 Β· Expires Aug 2, 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.