Friday, June 12, 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 1124 of 1,261
  1. US 6951858

    Gonadotropin-releasing hormone receptor antagonists and methods relating thereto

    Neurocrine Biosciences, Inc. Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  2. US 6951849

    Benzimidazolidinone derivatives as muscarinic agents

    ACADIA Pharmaceuticals Inc. Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  3. US 6951653

    Streptococcal C5a peptidase vaccine

    Regents of the University of Minnesota Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  4. US 6951917

    MHC-class II restricted melanoma antigens and their use in therapeutic methods

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  5. US 6951219

    Treatment of hepatitis C using hyperthermia

    First Circle Medical, Inc. Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  6. US 6951942

    Glucocorticoid-selective anti-inflammatory agents

    Ligand Pharmaceuticals Incorporated Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  7. US 6951885

    Pharmaceutical composition

    Takeda Pharmaceutical Company Limited Β· Granted Oct 4, 2005 Β· Expires Sep 29, 2025

    expired
  8. US 2005215524

    Methods and compositions for improving photodynamic therapy through administration of lipids

    CERAMOPTEC IND INC [DE] Β· Granted Sep 29, 2005 Β· Expires Sep 24, 2025

    expired
  9. US 6949624

    Cloning of the human nuclear receptor co-repressor gene

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  10. US 6949255

    Inhibitory chemical formulation with preservative system

    The Board of Regents of the University of Texas Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  11. US 6949690

    Methods of assessing the effect of a gene of interest on human prostate cancer progression

    The Regents of the University of California Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  12. US 6949681

    Intermediate for preparing glycopeptide derivatives

    Theravance, Inc. Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  13. US 6949691

    Human albumin animal models for drug evaluation, toxicology and immunogenicity studies

    New Century Pharmaceuticals, Inc. Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  14. US 6949580

    Pyrazole compositions useful as inhibitors of ERK

    Vertex Pharmaceuticals Incorporated Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  15. US 6949544

    Inhibitors of c-Jun N-terminal kinases (JNK) and other protein kinases

    Vertex Pharmaceuticals Incorporated Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  16. US 6949568

    Aryl aniline Ξ²2 adrenergic receptor agonists

    Theravance, Inc. Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  17. US 6949530

    Nitric oxide-releasing amidine diazeniumdiolates, compositions and uses thereof and method of making same

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  18. US 6949647

    Synthesis of pancratistatin

    THE ARIZONA BOARD OF REGENTS Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  19. US 6949648

    Condensed pyrazole derivatives, process for producing the same and use thereof

    Takeda Pharmaceutical Company Limited Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  20. US 6949543

    Amide derivative

    Rational Drug Design Laboratories Β· Granted Sep 27, 2005 Β· Expires Sep 22, 2025

    expired
  21. US 2005207973

    Stabilization of radiopharmaceutical compositions using hydrophilic 6-hydroxy chromans

    CIS BIO INT [FR] Β· Granted Sep 22, 2005 Β· Expires Sep 17, 2025

    expired
  22. US 6946246

    Production of functional proteins: balance of shear stress and gravity

    The United States of America as represented by the Administrator of the National Aeronautics and Space Administration Β· Granted Sep 20, 2005 Β· Expires Sep 15, 2025

    expired
  23. US 6946554

    Process for the preparation of 9-deazaguanine derivatives

    BioCryst Pharmaceuticals, Inc. Β· Granted Sep 20, 2005 Β· Expires Sep 15, 2025

    expired
  24. US 6946454

    Thio-oxindole derivatives

    Ligand Pharmaceuticals Incorporated Β· Granted Sep 20, 2005 Β· Expires Sep 15, 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 β€” best for looking up a specific filing or applicant portfolio slice.