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Nektar Therapeutics UK Patents

Full USPTO pharma patent portfolio for Nektar Therapeutics UK — grant dates, expiration, and drug cross-links.

Patents
423
Expiring ≤24m
24

Quick answer

Nektar Therapeutics UK has 423 pharmaceutical patents in our USPTO PatentsView index (A61K/A61P). 24 expire within 24 months — use filters for patent-cliff planning.

Page 9 of 9

  1. US 7101932

    Method for the preparation of 1-benzotriazolyl carbonate esters of poly (ethylene glycol)

    Expires Mon Aug 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 7078496

    Thioester-terminated water soluble polymers and method of modifying the N-terminus of a polypeptide therewith

    Expires Mon Jul 13 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 7060259

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Expires Mon Jun 08 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 7056500

    Polymer conjugates of opioid antagonists

    Expires Mon Jun 01 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 7053150

    Segmented polymers and their conjugates

    Expires Mon May 25 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 7030278

    Polyethylene(Glycol) derivatives with proximal reactive groups

    Expires Mon Apr 13 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  7. US 7026440

    Branched polymers and their conjugates

    Expires Mon Apr 06 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  8. US 6992168

    Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof

    Expires Mon Jan 26 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  9. US 6946117

    Stabilized preparations for use in nebulizers

    Expires Mon Sep 15 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  10. US 6921527

    Composition for pulmonary administration comprising a drug and a hydrophobic amino acid

    Expires Mon Jul 21 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  11. US 6911197

    N-maleimidyl polymer derivatives

    Expires Mon Jun 23 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  12. US 6908963

    Thioester polymer derivatives and method of modifying the N-terminus of a polypeptide therewith

    Expires Mon Jun 16 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  13. US 6899898

    Induced phase transition method for the production of microparticles containing hydrophobic active agents

    Expires Mon May 26 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  14. US 6899867

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Expires Mon May 26 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  15. US 6896906

    Storage stable powder compositions of interleukin-4 receptor

    Expires Mon May 19 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  16. US 6894025

    Biologically active molecules having thiol moiety conjugated to polymers containing ethyl sulfone moiety

    Expires Mon May 12 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  17. US 6890518

    Compositions of chemically modified insulin

    Expires Mon May 05 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  18. US 6864350

    Soluble, degradable poly (ethylene glycol) derivatives for controllable release of bound molecules into solution

    Expires Mon Mar 03 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  19. US 6860907

    Method of particle formation

    Expires Mon Feb 24 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  20. US 6838528

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Dec 30 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  21. US 6838076

    Pulmonary administration of chemically modified insulin

    Expires Mon Dec 30 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  22. US 6838075

    Inhaleable spray dried 4-helix bundle protein powders having minimized aggregation

    Expires Mon Dec 30 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  23. US 6835372

    Compositions comprising an active agent

    Expires Mon Dec 23 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  24. US 6825031

    Storage of materials

    Expires Mon Nov 25 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  25. US 6797258

    Compositions and methods for the pulmonary delivery of aerosolized macromolecules

    Expires Mon Sep 23 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  26. US 6774180

    Synthesis of high molecular weight non-peptidic polymer derivatives

    Expires Mon Aug 05 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  27. US 6737045

    Methods and compositions for the pulmonary delivery insulin

    Expires Mon May 13 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  28. US 6737505

    Sterically hindered poly(ethylene glycol) alkanoic acids and derivatives thereof

    Expires Mon May 13 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  29. US 6730334

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Apr 29 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  30. US 6710125

    Method for the preparation of 1-benzotriazolyl carbonate esters of poly(ethylene glycol)

    Expires Mon Mar 18 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  31. US 6685967

    Methods and compositions for pulmonary delivery of insulin

    Expires Mon Jan 29 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  32. US 6673335

    Compositions and methods for the pulmonary delivery of aerosolized medicaments

    Expires Mon Jan 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  33. US 6664331

    Poly(ethylene glycol) derivatives with proximal reactive groups

    Expires Mon Dec 11 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  34. US 6655379

    Aerosolized active agent delivery

    Expires Mon Nov 27 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  35. US 6638495

    Stabilized preparation for use in metered dose inhalers

    Expires Mon Oct 23 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  36. US 6630169

    Particulate delivery systems and methods of use

    Expires Mon Oct 02 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  37. US 6589560

    Stable glassy state powder formulations

    Expires Mon Jul 03 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  38. US 6576262

    Methods and apparatus for particle formation

    Expires Mon Jun 05 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

  39. US 6569406

    Inhaleable spray dried 4-helix bundle protein powders having minimized aggregation

    Expires Mon May 22 2023 00:00:00 GMT+0000 (Coordinated Universal Time)

    expired

Frequently asked questions

How many patents does Nektar Therapeutics UK have?

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

When do Nektar Therapeutics UK patents expire?

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

Where does this data come from?

USPTO PatentsView bulk data filtered to pharmaceutical CPC classes (A61K, A61P), cross-linked to NovaPharmaNews company and drug profiles. See our data sources page for methodology.

Data attribution: Data sources · Patent directory

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