🇺🇸 FDA

Intelligence · Patent portfolio

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 8 of 9

  1. US 7723432

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

    Expires Mon May 20 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 7714088

    Poly(ethylene glycol) derivatives with proximal reactive groups

    Expires Mon May 06 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 7714114

    Conjugates of an EPO moiety and a polymer

    Expires Mon May 06 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 7674879

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

    Expires Mon Mar 04 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 7662365

    Polymer conjugates of opioid antagonists

    Expires Mon Feb 11 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 7659361

    Maleamic acid polymer derivatives and their bioconjugates

    Expires Mon Feb 04 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 7655747

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

    Expires Mon Jan 28 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  8. US 7608253

    Hydrolytically degradable carbamate derivatives of poly (ethylene glycol)

    Expires Mon Oct 22 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  9. US 7598338

    Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof

    Expires Mon Oct 01 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  10. US 7589157

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Sep 10 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  11. US 7582284

    Particulate materials

    Expires Mon Aug 27 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  12. US 7579444

    Polymer-factor IX moiety conjugates

    Expires Mon Aug 20 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  13. US 7569214

    Method for preparing water-soluble polymer derivatives bearing a terminal carboxylic acid

    Expires Mon Jul 30 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  14. US 7547509

    Cyanovirin variant-polymer conjugates

    Expires Mon Jun 11 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  15. US 7544738

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

    Expires Mon Jun 04 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  16. US 7528202

    Poly (ethylene glycol) derivatives with proximal reactive groups

    Expires Mon Apr 30 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  17. US 7511094

    Water-soluble polymer alkanals

    Expires Mon Mar 26 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  18. US 7511095

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

    Expires Mon Mar 26 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  19. US 7481212

    Increased dosage metered dose inhaler

    Expires Mon Jan 22 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  20. US 7482024

    Compositions comprising an active agent

    Expires Mon Jan 22 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  21. US 7473433

    Pulmonary delivery of polyene antifungal agents

    Expires Mon Jan 01 2029 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  22. US 7449201

    Storage stable power compositions of interleukin-4 receptor

    Expires Mon Nov 06 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  23. US 7432330

    Hydrolytically stable maleimide-terminated polymers

    Expires Mon Oct 02 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  24. US 7432331

    Hydrolytically stable maleimide-terminated polymers

    Expires Mon Oct 02 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  25. US 7419600

    Method for purifying a branched water-soluble polymer

    Expires Mon Aug 28 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  26. US 7405266

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

    Expires Mon Jul 24 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  27. US 7393544

    Dispersion for pulmonary delivery of a bioactive agent

    Expires Mon Jun 26 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  28. US 7378469

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

    Expires Mon May 22 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  29. US 7368102

    Pulmonary delivery of aminoglycosides

    Expires Mon May 01 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  30. US 7329721

    Maleamic acid polymer derivatives and their bioconjugates

    Expires Mon Feb 07 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  31. US 7326691

    Compositions comprising amphotericin B, methods, and systems

    Expires Mon Jan 31 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  32. US 7316811

    Multi-arm polypeptide-poly (ethylene glycol) block copolymers as drug delivery vehicles

    Expires Mon Jan 03 2028 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  33. US 7312301

    Methods for the formation of hydrogels using thiosulfonate compositions and uses thereof

    Expires Mon Dec 20 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  34. US 7306787

    Engineered particles and methods of use

    Expires Mon Dec 06 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  35. US 7300919

    Pulmonary delivery of active fragments of parathyroid hormone

    Expires Mon Nov 22 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  36. US 7265186

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Aug 30 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  37. US 7223803

    Polyethylene (glycol) derivatives with proximal reactive groups

    Expires Mon May 24 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  38. US 7214366

    Isolatable, water soluble, and hydrolytically stable active sulfones of poly(ethylene glycol) and related polymers for modification of surfaces and molecules

    Expires Mon May 03 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  39. US 7208145

    Polymeric reagents comprising a ketone or a related functional group

    Expires Mon Apr 19 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  40. US 7205380

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

    Expires Mon Apr 12 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  41. US 7199223

    Polymer-factor VIII moiety conjugates

    Expires Mon Mar 29 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  42. US 7172768

    Storage stable powder compositions of interleukin-4 receptor

    Expires Mon Feb 01 2027 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  43. US 7157546

    Water-soluble polymer alkanals

    Expires Mon Dec 28 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  44. US 7150766

    Method of particle formation

    Expires Mon Dec 14 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  45. US 7141236

    Methods and compositions for delivering macromolecules to or via the respiratory tract

    Expires Mon Nov 23 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  46. US 7138141

    Dispersible macromolecule compositions and methods for their preparation and use

    Expires Mon Nov 16 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  47. US 7115280

    Particle formation methods and their products

    Expires Mon Sep 28 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  48. US 7112341

    Pulmonary administration of dry powder formulations for treating infertility

    Expires Mon Sep 21 2026 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

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

Drug approvals, clinical trials, M&A, event intelligence, and company updates — weekly.

Customize topics & region
Topics
Region

No spam. Unsubscribe anytime. See our privacy policy.