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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 7 of 9

  1. US 8227555

    Hydrolytically stable maleimide-terminated polymers

    Expires Mon Jul 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  2. US 8227558

    Method for preparing polymer maleimides

    Expires Mon Jul 19 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  3. US 8217123

    Stabilized polymeric thiol reagents

    Expires Mon Jul 05 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  4. US 8193306

    Methods for preparing polymeric reagents and compositions of polymeric reagents

    Expires Mon May 31 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  5. US 8182801

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

    Expires Mon May 17 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  6. US 8183338

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

    Expires Mon May 17 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  7. US 8173666

    Oligomer-opioid agonist conjugates

    Expires Mon May 03 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  8. US 8143378

    Polymer factor VIII moiety conjugates

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

    granted

  9. US 8133977

    Polymer-factor VIII moiety conjugates

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

    granted

  10. US 8133865

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

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

    granted

  11. US 8106131

    Hydrolytically stable maleimide-terminated polymers

    Expires Mon Jan 26 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  12. US 8097695

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

    Expires Mon Jan 12 2032 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  13. US 8088365

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

    Expires Mon Dec 29 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  14. US 8084572

    Segmented polymers and their conjugates

    Expires Mon Dec 22 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  15. US 8080236

    Particulate materials

    Expires Mon Dec 15 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  16. US 8076412

    Water-soluble polymer alkanals

    Expires Mon Dec 08 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  17. US 8071692

    Multi-arm block copolymers as drug delivery vehicles

    Expires Mon Dec 01 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  18. US 8071678

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

    Expires Mon Dec 01 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  19. US 8067505

    Method of preparing carboxylic acid functionalized polymers

    Expires Mon Nov 24 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  20. US 8067431

    Chemically modified small molecules

    Expires Mon Nov 24 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  21. US 8058385

    Method for preparing conjugates using polymer maleimides

    Expires Mon Nov 10 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  22. US 8039579

    Intermediates useful in the preparation of maleimide functionalized polymers

    Expires Mon Oct 13 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  23. US 8034825

    Chemically modified small molecules

    Expires Mon Oct 06 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  24. US 8008435

    Polymer stabilized neuropeptides

    Expires Mon Aug 25 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  25. US 8003742

    Polymer derivatives with proximal reactive groups

    Expires Mon Aug 18 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  26. US 7994272

    Maleamic acid polymer derivatives and their bioconjugates

    Expires Mon Aug 04 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  27. US 7988956

    Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)

    Expires Mon Jul 28 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  28. US 7976834

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

    Expires Mon Jul 07 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  29. US 7977427

    Method involving 1-benzotriazolyl carbonate esters of polymers

    Expires Mon Jul 07 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  30. US 7964217

    Degradable poly(ethylene glycol) hydrogels with controlled half-life and precursors therefor

    Expires Mon Jun 16 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  31. US 7960502

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

    Expires Mon Jun 09 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  32. US 7947261

    Conjugates formed from polymer derivatives having particular atom arrangements

    Expires Mon May 19 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  33. US 7910661

    Thiol-selective water-soluble polymer derivatives

    Expires Mon Mar 17 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  34. US 7887789

    Polymer derivatives having particular atom arrangements

    Expires Mon Feb 10 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  35. US 7872072

    Branched polymers and their conjugates

    Expires Mon Jan 13 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  36. US 7872082

    Method for preparing polymer maleimides

    Expires Mon Jan 13 2031 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  37. US 7863421

    Polymer-factor VIII moiety conjugates

    Expires Mon Dec 30 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  38. US 7858749

    Polymer-factor VIII moiety conjugates

    Expires Mon Dec 23 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  39. US 7851565

    Stabilized polymeric thiol reagents

    Expires Mon Dec 09 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  40. US 7838595

    Water-soluble polymer alkanals

    Expires Mon Nov 18 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  41. US 7834088

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

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

    granted

  42. US 7834138

    Segmented polymers and their conjugates

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

    granted

  43. US 7829074

    Hydroxypatite-targeting poly(ethylene glycol) and related polymers

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

    granted

  44. US 7790835

    Method of preparing maleimide functionalized polymers

    Expires Mon Sep 02 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  45. US 7786221

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

    Expires Mon Aug 26 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  46. US 7786133

    Chemically modified small molecules

    Expires Mon Aug 26 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  47. US 7767784

    Methods for preparing polymeric reagents and compositions of polymeric reagents

    Expires Mon Jul 29 2030 00:00:00 GMT+0000 (Coordinated Universal Time)

    granted

  48. US 7744861

    Multi-arm polymer prodrugs

    Expires Mon Jun 24 2030 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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