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 1257 of 1,261
  1. US 6040293

    Clavanins

    The Regents of the University of California Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  2. US 6040332

    Amino ceramide-like compounds and therapeutic methods of use

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  3. US 6040324

    Prophylactic or therapeutic drug for renal diseases

    Takeda Chemical Industries Ltd. Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  4. US 6039957

    Oligomeric HIV-1 envelope glycoproteins

    The United States of America as Represented by the Secretary of the Department of Health and Human Services Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  5. US 6040340

    Implantation rates after in vitro fertilization, treatment of infertility and early pregnancy loss with a nitric oxide donor alone or in combination with progesterone, and a method for contraception with nitric oxide inhibitors

    The Board of Regents, Univ. of Texas System Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  6. US 6040167

    Synthetic membrane vesicles containing functionally active fusion peptides as drug delivery systems

    Nika Health Products Limited Β· Granted Mar 21, 2000 Β· Expires Mar 16, 2020

    expired
  7. AT E190067

    PEPTIDE MODIFIZIERT DURCH EINE PHOSPHIN GRUPPE ZUR MARKIERUNG MIT 99MTC UND 186-188RE ODER PARAMAGNETISCHE AGENTIEN

    NYCOMED AMERSHAM SORIN S R L [IT] Β· Granted Mar 15, 2000 Β· Expires Mar 10, 2020

    expired
  8. US 6036976

    Sustained release microspheres and preparation thereof

    Takeda Chemical Industries Ltd. Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  9. US 6037149

    DNA encoding human asthma associated factor 1

    Magainin Pharmaceuticals Inc. Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  10. US 6037337

    Use of the enantiomers of ifosfamide in antitumor therapy for reducing side effects

    Darwin Discovery Limited Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  11. US 6037125

    Disruption of the mammalian RAD51 protein and disruption of proteins that associate with mammalian RAD51 for hindering cell proliferation and/or viability of proliferating cells

    Lexicon Genetics, Inc. Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  12. US 6037376

    Methods for therapy of cancer

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  13. US 6036955

    Kits and methods for the specific coagulation of vasculature

    The Board of Regents of the University of Texas System Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  14. US 6037370

    Methods and compositions for stimulating neurite growth

    Vertex Pharmaceuticals Incorporated Β· Granted Mar 14, 2000 Β· Expires Mar 9, 2020

    expired
  15. US 6033845

    Specific diagnostic for feline infectious peritonitis antibodies

    Engene Biotechnologies Inc Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  16. US 6034109

    Method for protection of heart by limiting metabolic and ionic abnormalities developed during ischemia following ischemia or resulting from ischemia

    The Regents of the University of California Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  17. US 6033708

    Method for producing sterile filterable liposome dispersion

    United States of America as represented by the Secretary of the Air Force Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  18. US 6034255

    Inhibitors of cholesterol esterase

    The Regents of the University of New Mexico Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  19. US 6034065

    Elucidation and synthesis of antineoplastic tetrapeptide phenethylamides of dolastatin 10

    THE ARIZONA BOARD OF REGENTS Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  20. US 6033894

    Kaposi's Syndrome Herpesvirus protease and assembly protein compositions and methods

    The Regents of the University of California Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  21. US 6033864

    Diagnosis, prevention and treatment of ulcerative colitis, and clinical subtypes thereof, using microbial UC pANCA antigens

    The Regents of the University of California Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  22. US 6033905

    Gibbon ape leukemia virus-based retroviral vectors

    The United States of America, as represented by the Department of Health and Human Services Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  23. US 6033644

    Biomodulators as universal imaging agents

    The Regents of the University of New Mexico Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    expired
  24. US 6033688

    Cystic fibrosis therapy

    The Regents of the University of California Β· Granted Mar 7, 2000 Β· Expires Mar 2, 2020

    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.