Wednesday, June 10, 2026

pharma Β· Infertility Β· Ovarian Cancer Β· NWBO

NORTHWEST BIOTHERAPEUTICS

NORTHWEST BIOTHERAPEUTICS patent portfolio β€” 595 USPTO pharmaceutical patents (A61K/A61P) with grant dates, status, and loss-of-exclusivity filters.

4800 Montgomery Lane, Suite 800, Bethesda, MD 28014, US HQ
1998 Founded
20 Employees
Public company Type
NWBO Β· NYSE Ticker
Company details
Status
Public
HQ
4800 Montgomery Lane, Suite 800, Bethesda, MD 28014, US
Founded
1998
Employees
20
Programs
33
Drugs
40
Patents
595
Intelligence Β· Patents

NORTHWEST BIOTHERAPEUTICS patents

595 pharmaceutical patents indexed for NORTHWEST BIOTHERAPEUTICS. 13 expire within 24 months.

NORTHWEST BIOTHERAPEUTICS has 595 pharmaceutical patents in our USPTO PatentsView index (A61K/A61P). 13 expire within 24 months β€” use filters for patent-cliff planning.

Patent portfolio

Page 13 of 13
  1. US 6291207

    Herpes virus entry receptor protein

    Expires Mon Sep 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  2. US 6291526

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Sep 13 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  3. US 6288024

    Methods and compositions for inhibiting angiogenesis

    Expires Mon Sep 06 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  4. US 6274557

    Inhibition of nitric oxide synthase by amino acids and dipeptides

    Expires Mon Aug 09 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  5. US 6268170

    .alpha.-Tocopherol transport protein: compositions and methods

    Expires Mon Jul 26 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  6. US 6261841

    Compositions, kits, and methods for modulating survival and differentiation of multi-potential hematopoietic progenitor cells

    Expires Mon Jul 12 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  7. US 6262120

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Jul 12 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  8. US 6255345

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Jun 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  9. US 6218506

    Amyloid .beta. protein (globular assembly and uses thereof)

    Expires Mon Apr 12 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  10. US 6200765

    Non-invasive methods to detect prostate cancer

    Expires Mon Mar 08 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  11. US 6197819

    Gamma amino butyric acid analogs and optical isomers

    Expires Mon Mar 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  12. US 6187760

    Cationic phospholipids for transfection

    Expires Mon Feb 08 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  13. US 6184363

    Inhibitors of .beta.-lactamases and uses therefor

    Expires Mon Feb 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  14. US 6150508

    Monoclonal antibodies specific for the extracellular domain of prostate-specific membrane antigen

    Expires Mon Nov 16 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  15. US 6140366

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Oct 26 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  16. US 6117906

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Sep 07 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  17. US 6075014

    Inhibitors of .beta.-lactamases and uses therefor

    Expires Mon Jun 08 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  18. US 6057125

    Clock gene and gene product

    Expires Mon Apr 27 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired
  19. US 6028214

    GABA and L-glutamic acid analogs for antiseizure treatment

    Expires Mon Feb 17 2020 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

Frequently asked questions

How many patents does NORTHWEST BIOTHERAPEUTICS have?

595 published patents match the current filter (all indexed). The full portfolio is indexed from USPTO PatentsView (A61K/A61P).

When do NORTHWEST BIOTHERAPEUTICS patents expire?

13 patents in the full portfolio expire within 24 months. Use the expiring filters above or open individual patent pages for grant and expiration dates.