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 1199 of 1,261
  1. US 6426336

    Method for treating allergic lung disease

    The Regents of the University of California Β· Granted Jul 30, 2002 Β· Expires Jul 25, 2022

    expired
  2. US 6426413

    Inhibitors of caspases

    Vertex Pharmaceuticals Incorporated Β· Granted Jul 30, 2002 Β· Expires Jul 25, 2022

    expired
  3. WO 02057483

    NOUVEAU DOSAGE

    GLAXO GROUP LTD [GB] Β· Granted Jul 25, 2002 Β· Expires Jul 20, 2022

    expired
  4. CA 2434743

    PREPARATIONS TOPIQUES DE BRIVUDINE STABILISEES

    BERLIN CHEMIE AG [DE] Β· Granted Jul 25, 2002 Β· Expires Jul 20, 2022

    expired
  5. WO 02058323

    DOSAGE

    GLAXO GROUP LTD [GB] Β· Granted Jul 25, 2002 Β· Expires Jul 20, 2022

    expired
  6. US 6423835

    Nucleotide deduced amino acid sequence, isolation and purification of heat-shock chlamydial proteins

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  7. US 6423699

    Combination therapies using benzimidazolones

    Ligand Pharmaceuticals Incorporated Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  8. US 6423513

    Polynucleotides encoding protease-activatable pseudomonas exotoxin a-like proproteins

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  9. US 6423318

    Hepatitis A virus vaccines

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  10. US 6423696

    Inhibition of arylamine N-acetyl transferase

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  11. US 6423493

    Combinatorial selection of oligonucleotide aptamers

    The Board of Regents of the University of Texas System Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  12. US 6423869

    Polyol-amino acid compounds having anti-helicobacter pylori activity

    Takeda Chemical Industries Ltd. Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  13. US 6423840

    Inhibitors of interleukin-1&bgr; converting enzyme

    Vertex Pharmaceuticals Incorporated Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  14. US 6423311

    Method of decreasing radiation or radio-mimetic chemotherapy for hematopoietic pluripotent cell engraftment

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  15. US 6423308

    Treatment of Kaposi's sarcoma with IL-12

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jul 23, 2002 Β· Expires Jul 18, 2022

    expired
  16. US 6420428

    Treatment and prevention of hepatic disorders

    The Regents of the University of California Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  17. US 6419897

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

    THE ARIZONA BOARD OF REGENTS Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  18. US 6420531

    Epithelial cell specific growth factor, keratinocyte growth factor (KGF)

    The United States as represented by the Secretary of the Department of Health and Human Services Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  19. US 6420522

    Inhibitors of interleukin-1&bgr; converting enzyme

    Vertex Pharmaceuticals Incorporated Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  20. US 6420434

    Active topical skin protectants using polyoxometallates

    The United States of America as represented by the Secretary of the Army Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  21. US 6420415

    Thiol compounds, their production and use

    Takeda Chemical Industries Ltd. Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  22. US 6420426

    Substituted phenoxyacetic acids

    The Institute for Pharmaceutical Discovery, LLC Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  23. US 6421455

    Method for detecting cancer on skin of humans and mammals and arrangement for performing the method

    Medeikonos AB Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    expired
  24. US 6420405

    Pharmaceutical composition for angiotensin II-mediated diseases

    Takeda Chemical Industries Ltd. Β· Granted Jul 16, 2002 Β· Expires Jul 11, 2022

    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.