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 1227 of 1,261
  1. US 6242253

    IkB kinase, subunits thereof, and methods of using same

    The Regents of the University of California Β· Granted Jun 5, 2001 Β· Expires May 31, 2021

    expired
  2. US 6241966

    Magnetic resonance imaging using Hyperpolarized noble gases

    THE TRUSTEES OF PRINCETON UNIVERSITY Β· Granted Jun 5, 2001 Β· Expires May 31, 2021

    expired
  3. US 6242473

    Treatment and prevention of reactive oxygen metabolite-mediated cellular damage

    Maxim Pharmaceuticals, Inc. Β· Granted Jun 5, 2001 Β· Expires May 31, 2021

    expired
  4. US 6241990

    Immunogenic composition containing inactivated swine infertility and respiratory Syndrome virus

    Regents of the University of Minnesota Β· Granted Jun 5, 2001 Β· Expires May 31, 2021

    expired
  5. US 6241989

    Recombinant multivalent viral vaccine

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Jun 5, 2001 Β· Expires May 31, 2021

    expired
  6. US 6239116

    Immunostimulatory nucleic acid molecules

    The United States of America, as represented by the Department of Health and Human Services Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  7. US 6238671

    Process for the gentle recovery of extract fractions from hypericum, pharmaceutical preparations containing the same and their use

    BIONORICA ARZNEIMITTEL GMBH Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  8. US 6239258

    Human Nkx-2.2 polypeptide-encoding nucleotide sequences

    The Regents of the University of California Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  9. US 6239153

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  10. US 6238858

    Transgenomic viruses

    The United States of America, as represented by the Department of Health and Human Services Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  11. US 6238605

    Low-fibrillation moulded bodies

    LENZING AKTIENGESELLSCHAFT Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  12. US 6239180

    Transdermal therapeutic device and method with capsaicin and capsaicin analogs

    The Regents of the University of California Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  13. US 6239110

    Synthetic analogs of thrombospondin and therapeutic use thereof

    W.R. Grace & Co.-Conn. Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  14. US 6238677

    Starch microcapsules for delivery of active agents

    The United States of America, as represented by the Secretary of Agriculture Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  15. US 6239104

    Isolation and structural elucidation of the cytostatic linear and cyclo-depsipeptides dolastatin 16, dolastatin 17, and dolastatin 18

    THE ARIZONA BOARD OF REGENTS Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  16. US 6238861

    Neurofibromatosis gene

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  17. US 6239268

    Interleukin-1 type 3 receptors

    Neurocrine Biosciences, Inc. Β· Granted May 29, 2001 Β· Expires May 24, 2021

    expired
  18. US 6235309

    Inhibition of cell-cell binding by lipid assemblies

    The Regents of the University of California Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  19. US 6235481

    Polynucleotides encoding calpain 10

    ARCH Development Corporation & Board of Regents Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  20. US 6235881

    Polypeptides encoded by novel HIV-2 proviruses

    The Regents of the University of California Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  21. US 6235878

    Fas ligand-like protein, its production and use

    Takeda Chemical Industries Ltd. Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  22. US 6235772

    Lipoic acid analogs

    The Regents of the University of California Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  23. US 6235771

    Anilide derivative, production and use thereof

    Takeda Chemical Industries Ltd. Β· Granted May 22, 2001 Β· Expires May 17, 2021

    expired
  24. US 6232334

    Benzimidazole derivatives, their production and use

    Takeda Chemical Industries Ltd. Β· Granted May 15, 2001 Β· Expires May 10, 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.