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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 5 of 9

  1. US 8895553

    Oligomer-containing substituted aromatic triazine compounds

    Expires Mon Nov 20 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 8889831

    Unit dosage forms of pharmaceutical compositions comprising a polymer-factor VIII polypeptide conjugate

    Expires Mon Nov 13 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 8865149

    Polymeric reagents comprising a ketone or a related functional group

    Expires Mon Oct 16 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 8853325

    Water-soluble polymer alkanals

    Expires Mon Oct 02 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 8853247

    Oligomer-nitroimidazole anti-infective conjugates

    Expires Mon Oct 02 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 8835599

    Segmented degradable polymers and conjugates made therefrom

    Expires Mon Sep 11 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 8835556

    Hydrolytically stable maleimide-terminated polymers

    Expires Mon Sep 11 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  8. US 8828359

    Particulate materials

    Expires Mon Sep 04 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  9. US 8829043

    Oligome-cannabinoid conjugates

    Expires Mon Sep 04 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  10. US 8816077

    Oligomer-protein tyrosine kinase inhibitor conjugates

    Expires Mon Aug 21 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  11. US 8816002

    Method involving 1-benzotriazolyl carbonate esters of poly(ethylene glycol)

    Expires Mon Aug 21 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  12. US 8815227

    Hydroxyapatite-targeting multiarm polymers and conjugates made therefrom

    Expires Mon Aug 21 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  13. US 8809489

    Methods for preparing polymeric reagents and compositions of polymeric reagents

    Expires Mon Aug 14 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  14. US 8809453

    Branched polymers

    Expires Mon Aug 14 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  15. US 8796248

    Oligomer-corticosteroid conjugates

    Expires Mon Jul 31 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  16. US 8785661

    Oligome-containing pyrrolidine compounds

    Expires Mon Jul 17 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  17. US 8784791

    Method for preparing water-soluble polymer derivatives bearing an N-succinimidyl ester

    Expires Mon Jul 17 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  18. US 8784849

    Hydroxyapatite-targeting poly(ethylene glycol) and related polymers

    Expires Mon Jul 17 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  19. US 8778898

    Oligomer conjugates of heteropentacyclic nucleosides

    Expires Mon Jul 10 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  20. US 8771662

    Multi-arm polymer prodrugs

    Expires Mon Jul 03 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  21. US 8772479

    Oligomer-containing substituted aromatic triazine compounds

    Expires Mon Jul 03 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  22. US 8765883

    Stabilized polymeric thiol reagents

    Expires Mon Jun 26 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  23. US 8765111

    N-maleimidyl polymer derivatives

    Expires Mon Jun 26 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  24. US 8748648

    Oligomer-calcium channel blocker conjugates

    Expires Mon Jun 05 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  25. US 8728493

    Polymer based compositions and conjugates of non-steroidal anti-inflammatory drugs

    Expires Mon May 15 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  26. US 8722732

    Oligomer-calcimimetic conjugates and related compounds

    Expires Mon May 08 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  27. US 8722032

    Thiol-selective water-soluble polymer derivatives

    Expires Mon May 08 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  28. US 8703115

    Methods for preparing conjugates

    Expires Mon Apr 17 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  29. US 8685979

    Oligomer-diarylpiperazine conjugates

    Expires Mon Mar 27 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  30. US 8680263

    Carbohydrate-based drug delivery polymers and conjugates thereof

    Expires Mon Mar 20 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  31. US 8653286

    Intermediates useful in the preparation of maleimide functionalized polymers

    Expires Mon Feb 13 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  32. US 8637466

    Multi-arm polymeric alkanoate conjugates

    Expires Mon Jan 23 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  33. US 8636994

    Polymer-based compositions and conjugates of antimicrobial agents

    Expires Mon Jan 23 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  34. US 8633277

    Methods for forming polymer-drug conjugates

    Expires Mon Jan 16 2034 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  35. US 8617530

    Polymer conjugates of opioid antagonists

    Expires Mon Dec 26 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  36. US 8618259

    Polymer-factor VIII conjugate compositions

    Expires Mon Dec 26 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  37. US 8604159

    Method for preparing functionalized polymers from polymer alcohols

    Expires Mon Dec 05 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  38. US 8598364

    Oligomer-protease inhibitor conjugates

    Expires Mon Nov 28 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  39. US 8586681

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Nov 14 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  40. US 8586711

    Polymer-factor IX moiety conjugates

    Expires Mon Nov 14 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  41. US 8580919

    Polymer conjugates of GLP-1

    Expires Mon Nov 07 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  42. US 8575196

    Oligomer-opioid agonist conjugates

    Expires Mon Oct 31 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  43. US 8575102

    Conjugates having a releasable linkage

    Expires Mon Oct 31 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  44. US 8569343

    Oligomer-opioid agonist conjugates

    Expires Mon Oct 24 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  45. US 8569380

    Oligomer-tricyclic conjugates

    Expires Mon Oct 24 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  46. US 8568705

    Method for preparing branched functionalized polymers using branched polyol cores

    Expires Mon Oct 24 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  47. US 8562965

    Polymer derivatives comprising an acetal or ketal branching point

    Expires Mon Oct 17 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  48. US 8563651

    Method involving 1-benzotriazolyl carbonate esters of poly(ethylene glycol)

    Expires Mon Oct 17 2033 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

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