Friday, June 19, 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 1222 of 1,261
  1. US 6270979

    Methods for anti-addictive narcotic analgesic treatments

    The Regents of the University of California · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  2. US 6271196

    Methods of alleviating neuropathic pain using prosaposin-derived peptides

    Regents of the University of CA · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  3. US 6271266

    Use of idebenone and analogues against .beta. amyloid induced cytotoxicity

    Takeda Chemical Industries Ltd. · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  4. US 6271243

    Pharmaceutical composition

    Takeda Chemical Industries Ltd. · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  5. US 6271239

    Delta opioid receptor-selective benzylidene-substituted morphinans

    Regents of the University of Minnesota · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  6. US 6271207

    Enhanced expression of transgenes

    The Board of Regents of the University of Texas System · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  7. US 6271201

    Methods for the selective regulation of placental prostanoids and inhibition of labor using IGF-I

    The Board of Regents of the University of Texas System · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  8. US 6270995

    Recombinant polynucleotides encoding a slit polypeptide

    The Regents of the University of California · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  9. US 6270984

    Modulating robo: ligand interactions

    The Regents of the University of California · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  10. US 6270954

    Correction of genetic defects using chemical chaperones

    The Regents of the University of California · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  11. US 6270781

    Method and compositions for topical treatment of damaged tissue using reactive oxygen metabolite production or release inhibitors

    Maxim Pharmaceuticals, Inc. · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  12. US 6270779

    Nitric oxide-releasing metallic medical devices

    The United States of America · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  13. US 6270761

    Delivery of nucleic acid

    Cambridge Drug Discovery Holding, LTD · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  14. US 6270747

    In vitro and in vivo assay for agents which treat mucus hypersecretion

    The Regents of the University of California · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  15. US 6268350

    Polynucleotides for inhibiting metastasis and tumor cell growth

    BioCrystal, Ltd. · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  16. US 6268348

    Synthetic compounds and compositions with enhanced cell binding

    The Regents of the University of California · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  17. US 6269157

    Bidding for telecommunications traffic with request for service

    Summit Telecom Systems, Inc. · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  18. US 6268352

    Promoters of neural regeneration

    The Regents of the University of California · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  19. US 6268384

    Compounds possessing neuronal activity

    Vertex Pharmaceuticals Incorporated · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  20. US 6268383

    Substituted aromatic compounds for treatment of antibiotic-resistant infections

    The United States of America as represented by the Secretary of the Army · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  21. US 6268194

    IKB kinase and methods of using same

    The Regents of the University of California · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  22. US 6268354

    Pharmaceutical composition for antagonizing CCR5 comprising anilide derivative

    Takeda Chemical Industries Ltd. · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  23. US 6267960

    PSCA: prostate stem cell antigen

    The Regents of the University of California · Granted Jul 31, 2001 · Expires Jul 26, 2021

    expired
  24. US 6268170

    .alpha.-Tocopherol transport protein: compositions and methods

    Northwestern University · Granted Jul 31, 2001 · Expires Jul 26, 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 — best for looking up a specific filing or applicant portfolio slice.