Sunday, June 21, 2026

Patent directory · 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 — or use facet hubs for expiring patents, assignees, and therapeutic areas.

Patent results

Page 1131 of 1,261
  1. US 6902910

    Death domain containing receptor 4

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Jun 7, 2005 · Expires Jun 2, 2025

    expired
  2. US 6902907

    Cystic fibrosis gene

    The Board of Regents Acting For and on Behalf of The University of Michigan · Granted Jun 7, 2005 · Expires Jun 2, 2025

    expired
  3. US 6903125

    Tetrahydro-2H-thiopyran-4-carboxamide derivative

    Rational Drug Design Laboratories · Granted Jun 7, 2005 · Expires Jun 2, 2025

    expired
  4. US 6903070

    Glycopeptide carboxy-saccharide derivatives

    Theravance, Inc. · Granted Jun 7, 2005 · Expires Jun 2, 2025

    expired
  5. US 6902743

    Therapeutic treatment and prevention of infections with a bioactive material(s) encapuslated within a biodegradable-bio-compatable polymeric matrix

    The United States of America as represented by the Secretary of the Army · Granted Jun 7, 2005 · Expires Jun 2, 2025

    expired
  6. US 6900027

    Method for preparing cell cultures from biological specimens for chemotherapeutic and other assays

    Precision Therapeutics, Inc. · Granted May 31, 2005 · Expires May 26, 2025

    expired
  7. US 6900236

    Cannabimimetic indole derivatives

    UNIVERSITY OF CONNECTICUT · Granted May 31, 2005 · Expires May 26, 2025

    expired
  8. US 6900213

    Bisaryl derivatives having FSH modulatory activity

    Pharmacopeia Drug Discovery, Inc. · Granted May 31, 2005 · Expires May 26, 2025

    expired
  9. US 6900045

    Human kinase proteins and polynucleotides encoding the same

    Lexicon Genetics, Inc. · Granted May 31, 2005 · Expires May 26, 2025

    expired
  10. US 6899898

    Induced phase transition method for the production of microparticles containing hydrophobic active agents

    Nektar Therapeutics · Granted May 31, 2005 · Expires May 26, 2025

    expired
  11. US 6899892

    Methods to reduce body fat

    Regents of the University of Minnesota · Granted May 31, 2005 · Expires May 26, 2025

    expired
  12. US 6899880

    Porin B (PorB) as a therapeutic target for prevention and treatment of infection by chlamydia

    The Regents of the University of California · Granted May 31, 2005 · Expires May 26, 2025

    expired
  13. US 6899895

    Lamellar gels and methods for making and regulating

    The Regents of the University of California · Granted May 31, 2005 · Expires May 26, 2025

    expired
  14. US 6899882

    Endothelial cell growth factor methods of isolation and expression

    The Regents of the University of California · Granted May 31, 2005 · Expires May 26, 2025

    expired
  15. US 6899867

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Nektar Therapeutics AL, Corporation · Granted May 31, 2005 · Expires May 26, 2025

    expired
  16. US 6899873

    Method of forming micro-tubular polymeric materials

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted May 31, 2005 · Expires May 26, 2025

    expired
  17. US 6900024

    T cell receptor ligands and methods of using same

    The United States of America as Represented by the Secretary of the Department of Health and Human Services · Granted May 31, 2005 · Expires May 26, 2025

    expired
  18. US 6896909

    Formulations containing iron ores for the topical treatment of bioenergetic and electromagnetic disorders

    WINMEDICAL S.R.L. · Granted May 24, 2005 · Expires May 19, 2025

    expired
  19. US 6897316

    Substituted 2-phenyl-4-quinolone-3-carboxylic acid compounds and their use as antitumor agents

    China Medical University · Granted May 24, 2005 · Expires May 19, 2025

    expired
  20. US 6897018

    DLC-1 gene deleted in cancers

    The United States of America, as represented by the Department of Health and Human Services · Granted May 24, 2005 · Expires May 19, 2025

    expired
  21. US 6897227

    Prodrugs of proton pump inhibitors

    The United States of America as represented by the Department of Veteran Affairs · Granted May 24, 2005 · Expires May 19, 2025

    expired
  22. US 6897016

    Alteration of sequence of a target molecule

    The Regents of the University of Colorado · Granted May 24, 2005 · Expires May 19, 2025

    expired
  23. US 6896906

    Storage stable powder compositions of interleukin-4 receptor

    Nektar Therapeutics · Granted May 24, 2005 · Expires May 19, 2025

    expired
  24. US 6896876

    High cleaning silica gel dental abrasive, dentifrices prepared therefrom, and a method for preparing the dental abrasive

    W.R. Grace & Co.-Conn. · Granted May 24, 2005 · Expires May 19, 2025

    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 — best for looking up a specific filing or applicant portfolio slice.