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 1182 of 1,261
  1. US 6548679

    Antitumor agents

    The Regents of the University of California Β· Granted Apr 15, 2003 Β· Expires Apr 10, 2023

    expired
  2. US 6548521

    Inhibitors of metazoan parasite proteases

    The Regents of the University of California Β· Granted Apr 15, 2003 Β· Expires Apr 10, 2023

    expired
  3. US 6548055

    Immunologic enhancement with intermittent interleukin-2 therapy

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Apr 15, 2003 Β· Expires Apr 10, 2023

    expired
  4. US 2003068250

    Compositions including vitamin-based surfactants and methods for using same

    ALLERGAN SALES INC [US] Β· Granted Apr 10, 2003 Β· Expires Apr 5, 2023

    expired
  5. US 6544757

    Synthesis of human virus antigens by yeast

    The Regents of the University of California Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  6. US 6544750

    Peptide analogs as selective inhibitors of thrombin activation of protease activated receptor 1

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  7. US 6545142

    Single domain ligands, receptors comprising said ligands, methods for their production, and use of said ligands and receptors

    Medical Research Council of the United Kingdom Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  8. US 6545009

    Retinoid-related receptor function regulating agent

    Takeda Chemical Industries Ltd. Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  9. US 6544970

    Cyclic regimens utilizing indoline derivatives

    Ligand Pharmaceuticals Incorporated Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  10. US 6544972

    Methods of limiting apoptosis of cells

    Regents of the University of Minnesota Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  11. US 6545049

    Dimer-selective RXR modulators and methods for their use

    Ligand Pharmaceuticals Incorporated Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  12. US 6545149

    Synthesis and crystallization of piperazine ring-containing compounds

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  13. US 6545123

    Synthetic glycosulfopeptides and methods of synthesis thereof

    The Board of Regents of the University of Oklahoma Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  14. US 6544999

    Polymorphs of N-methyl-N-(3-{3-[2- thienylcarbonyl]-pyrazol-[1,5-&agr;]- pyrimidin-9-yl}phenyl)acetamide and compositions and methods related thereto

    Neurocrine Biosciences, Inc. Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  15. US 6544956

    Lunasin peptides

    The Regents of the University of California Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  16. US 6545034

    Use of etodolac for the treatment of chronic lymphocytic leukemia

    The Regents of the University of California Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  17. US 6544528

    Multi-subtype FIV vaccines

    THE REGENTS OF THE UNIV. OF CALIFORNIA Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  18. US 6544549

    Multilamellar coalescence vesicles (MLCV) containing biologically active compounds

    Biomira USA Inc. Β· Granted Apr 8, 2003 Β· Expires Apr 3, 2023

    expired
  19. EP 1297826

    Pharmazeutische Zusammensetzung zur nasalen Verabreichung enthaltend einen NK-2 Antagonisten

    MENARINI RICERCHE SPA [IT] Β· Granted Apr 2, 2003 Β· Expires Mar 28, 2023

    expired
  20. EP 1296670

    THERAPEUTISCHE KOMBINATIONEN VON FETTSΓ„UREN

    LAXDALE LTD [GB] Β· Granted Apr 2, 2003 Β· Expires Mar 28, 2023

    expired
  21. US 6541212

    Methods for detecting prostate stem cell antigen protein

    The Regents of the University of California Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  22. US 6541496

    Inhibitors of IMPDH enzyme

    Vertex Pharmaceuticals Incorporated Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  23. US 6541001

    Vaccine composition and method of using the same

    TEVA PHARMACEUTICAL INDUSTRIES, LTD. Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    expired
  24. US 6540994

    Macrophages, process for preparing the same and their use as active substances of pharmaceutical compositions

    I.D.M. Immuno-Designed Molecules Β· Granted Apr 1, 2003 Β· Expires Mar 27, 2023

    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.