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For the Inventor, By the Inventor

Ryde, United Kingdom

Spirogen Limited


USPTO Granted Patents = 17

% Expired Patents = 41.2



Forward Citations = 1,854

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13 inventors (with patents filed for the assignee):

goldMedal Philip Wilson Howard (17 out of 92 patents)

silverMedal David Edwin Thurston (13 out of 21 patents)

bronzeMedal Stephen John Gregson (4 out of 13 patents)

4.  Paul S Liu (3 out of 14 patents)

5.  B Rao Vishnuvajjala (3 out of 12 patents)

6.  Kenneth M Snader (3 out of 9 patents)

7.  Luke Y Hsiao (2 out of 2 patents)

8.  Gregory Turner (2 out of 2 patents)

9.  Luke Masterson (1 out of 17 patents)

10.  Peter William Taylor (1 out of 2 patents)

11.  Zhizhi Chen (1 out of 4 patents)

12.  Gyoung-Dong Kang (1 out of 1 patent)

13.  Tsveta Stefanova Hadjivassileva (1 out of 1 patent)

14.  Arnaud Charles Tiberghien (10 patents)

15.  Geoffrey Wells (4 patents)


17 patents:

1. 7834005 - Pyrrolobenzodiazepine derivatives, compositions comprising the same and methods related thereto (2010-11-16),
2. 7741319 - 11-hydroxy-5h-pyrrolo[2,1-c][1,4] benzodiazepin-5-one derivatives as key intermediates for the preparation of c2 substituted pyrrolobenzodiazepines (2010-06-22),
3. 7704924 - Library of compounds comprising pyrrolobenzodiazepine moieties (2010-04-27),
4. 7612062 - Pyrrolobenzodiazepines (2009-11-03),
5. 7557099 - Pyrrolobenzodiazepines as key intermediates in the synthesis of dimeric cytotoxic pyrrolobenzodiazepines (2009-07-07),
6. 7528126 - Pyrrolobenzodiazepines (2009-05-05),
7. 7511032 - Pyrrolobenzodiazepine derivatives, compositions comprising the same and methods related thereto (2009-03-31),
8. 7429658 - Synthesis of protected pyrrolobenzodiazepines (2008-09-30),
9. 7407951 - Pyrrolobenzodiazepines (2008-08-05),
10. 7265105 - Pyrrolobenzodiazepines (2007-09-04),
11. 7244724 - Pyrrolobenzodiazepines (2007-07-17),
12. 7067511 - Pyrrolobenzodiazepines (2006-06-27),
13. 7049311 - Pyrrolbenzodiazepines (2006-05-23),
14. 6909006 - Cyclopropylindole derivatives (2005-06-21),
15. 6747144 - Collections of compounds (2004-06-08),
Spirogen Limited is a biotechnology company based in Ryde, Great Britain, specializing in the development of innovative therapeutic solutions. The organization focuses on advancing drug discovery and development, particularly in the fields of oncology and immunotherapy. By leveraging cutting-edge research and technology, Spirogen aims to address unmet medical needs and improve patient outcomes through targeted therapies. Their commitment to scientific excellence positions them as a key player in the evolving landscape of biopharmaceuticals.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

17 Patents

#1 in Ryde

#1,056 in United Kingdom

#35,857 in the World

Ryde, GB
Ryde, United Kingdom

Spirogen Limited

Forward Citations = 1,854

13 inventors:

goldMedal Philip Wilson Howard (17 out of 92 patents)

silverMedal David Edwin Thurston (13 out of 21 patents)

bronzeMedal Stephen John Gregson (4 out of 13 patents)

4.  Paul S Liu (3 out of 14 patents)

5.  B Rao Vishnuvajjala (3 out of 12 patents)

Please report any incorrect information to [email protected]
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