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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 6 of 9

  1. US 8546493

    Multi-armed, monofunctional, and hydrolytically stable derivatives of poly(ethylene glycol) and related polymers for modification of surfaces and molecules

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

    granted

  2. US 8541608

    Method for preparing a polymer conjugate

    Expires Mon Sep 19 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 8536213

    Oligomer-dantrolene conjugates and related compounds

    Expires Mon Sep 12 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 8530492

    Oligomer-protein tyrosine kinase inhibitor conjugates

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

    granted

  5. US 8519102

    Polymer Factor VIII moiety conjugates

    Expires Mon Aug 22 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 8507653

    Factor IX moiety-polymer conjugates having a releasable linkage

    Expires Mon Aug 08 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 8497357

    Degradable heterobifunctional poly(ethylene glycol) acrylates and gels and conjugates derived therefrom

    Expires Mon Jul 25 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  8. US 8492503

    Polymeric alpha-hydroxy aldehyde and ketone reagents and conjugation method

    Expires Mon Jul 18 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  9. US 8492488

    Stabilized polymeric thiol reagents

    Expires Mon Jul 18 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  10. US 8470301

    Particulate materials

    Expires Mon Jun 20 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  11. US 8466276

    Oligomer conjugates of heteropentacyclic nucleosides

    Expires Mon Jun 13 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  12. US 8461295

    Methods for preparing polymeric reagents and compositions of polymeric reagents

    Expires Mon Jun 06 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  13. US 8454946

    N-maleimidyl polymer derivatives

    Expires Mon May 30 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  14. US 8450390

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

    Expires Mon May 23 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  15. US 8449872

    Polymer conjugates of nesiritide peptides

    Expires Mon May 23 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  16. US 8440623

    Polymer stabilized neuropeptides

    Expires Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  17. US 8440787

    Hydroxyapatite-targeting multiarm polymers and conjugates made therefrom

    Expires Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  18. US 8440687

    Oligomer-opioid agonist conjugates

    Expires Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  19. US 8440816

    Branched polymers

    Expires Mon May 09 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  20. US 8435504

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

    Expires Mon May 02 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  21. US 8435505

    Pharmaceutical compositions and methods for delivering such compositions

    Expires Mon May 02 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  22. US 8420068

    Polymer-based compositions and conjugates of antimicrobial agents

    Expires Mon Apr 11 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  23. US 8404222

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

    Expires Mon Mar 21 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  24. US 8394365

    Multi-arm polymer prodrugs

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

    granted

  25. US 8389759

    Oligomer-anticholinergic agent conjugates

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

    granted

  26. US 8383380

    Segmented polymers and their conjugates

    Expires Mon Feb 21 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  27. US 8372422

    Hydroxyapatite-targeting poly(ethylene glycol) and related polymers

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

    granted

  28. US 8354477

    Multi-armed, monofunctional, and hydrolytically stable derivatives of poly(ethylene glycol) and related polymers for modification of surfaces and molecules

    Expires Mon Jan 10 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  29. US 8354549

    Method for preparing a polymer conjugate

    Expires Mon Jan 10 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  30. US 8349800

    Von Willebrand factor- and factor VIII-polymer conjugates having a releasable linkage

    Expires Mon Jan 03 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  31. US 8349307

    Polymer conjugates of opioid antagonists

    Expires Mon Jan 03 2033 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  32. US 8338545

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Dec 20 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  33. US 8329876

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

    Expires Mon Dec 06 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  34. US 8323632

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

    Expires Mon Nov 29 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  35. US 8318145

    Multi-arm polymer prodrugs

    Expires Mon Nov 22 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  36. US 8309680

    Segmented degradable polymers and conjugates made therefrom

    Expires Mon Nov 08 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  37. US 8304511

    Maleamic acid polymer derivatives and their bioconjugates

    Expires Mon Nov 01 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  38. US 8299173

    Method involving 1-benzotriazolyl carbonate esters of polymers

    Expires Mon Oct 25 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  39. US 8293869

    Polymer conjugates of GLP-1

    Expires Mon Oct 18 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  40. US 8273833

    Branched Polymers

    Expires Mon Sep 20 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  41. US 8273330

    Particulate materials

    Expires Mon Sep 20 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  42. US 8273339

    Polymer-based compositions and conjugates of antimicrobial agents

    Expires Mon Sep 20 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  43. US 8268948

    Polymeric reagents comprising a terminal vinylic group and conjugates formed therefrom

    Expires Mon Sep 13 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  44. US 8263062

    Multi-arm polymer prodrugs

    Expires Mon Sep 06 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  45. US 8258324

    Intermediates useful in the preparation of maleimide functionalized polymers

    Expires Mon Aug 30 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  46. US 8252275

    Conjugates having a degradable linkage and polymeric reagents useful in preparing such conjugates

    Expires Mon Aug 23 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  47. US 8247536

    Factor VIII compositions

    Expires Mon Aug 16 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  48. US 8247598

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

    Expires Mon Aug 16 2032 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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