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For the Inventor, By the Inventor

Berkshire, United Kingdom

Celltech Therapeutics Limited


USPTO Granted Patents = 81

% Expired Patents = 2.5


Forward Citations = 3,646

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57 inventors (with patents filed for the assignee):

goldMedal Graham John Warrellow (34 out of 59 patents)

silverMedal Rikki Peter Alexander (19 out of 41 patents)

bronzeMedal John Clifford Head (16 out of 38 patents)

4.  John Robert Porter (11 out of 67 patents)

5.  Sarah Catherine Archibald (10 out of 26 patents)

6.  Peter David Davis (9 out of 20 patents)

7.  Thomas A Millican (8 out of 19 patents)

8.  Ewan C Boyd (8 out of 9 patents)

9.  David Festus Moffat (7 out of 7 patents)

10.  Nigel Robert Beeley (7 out of 11 patents)

11.  Diljeet Singh Athwal (6 out of 21 patents)

12.  Mark William Bodmer (6 out of 12 patents)

13.  Martin Clive Hutchings (5 out of 22 patents)

14.  Jeremy Martin Davis (5 out of 19 patents)

15.  John Robert Adair (5 out of 18 patents)


Core Competencies:
Recombinant Antibodies
Protein Kinase Inhibitors
Metalloproteinase Derivatives
Humanized Antibodies
Cinnamic Acid Derivatives
Phenylalanine Derivatives
Nucleic Acids
CD3 Specific Antibody
Trisubstituted Phenyl Derivatives
Peptidyl Derivatives
Tyrosine Kinase Inhibitors
Fusion Proteins

81 patents:

1. 7105160 - Antibody-serum protein hybrids (2006-09-12),
2. 7052876 - Combinatorial method for producing nucleic acids (2006-05-30),
3. 6642356 - Peptides which function as hinge regions in protein (2003-11-04),
4. 6632927 - Humanized antibodies (2003-10-14),
5. 6465471 - Cinnamic acid derivatives (2002-10-15),
6. 6407214 - Antibodies against E-selectin (2002-06-18),
7. 6369229 - Pyridylalanine derivatives (2002-04-09),
8. 6362204 - Phenylalanine derivatives (2002-03-26),
9. 6348463 - Phenylalanine derivatives (2002-02-19),
10. 6337335 - Substituted 2-anilinopyrimidines useful as protein kinase inhibitors (2002-01-08),
11. 6329372 - Phenylalanine derivatives (2001-12-11),
12. 6329362 - Cinnamic acid derivatives (2001-12-11),
13. 6319922 - Propanoic acid derivatives (2001-11-20),
14. 6316227 - Nucleic acids encoding interleukin-5 specific recombinant antibodies (2001-11-13),
15. 6297264 - Trisubstituted phenyl derivatives and process for their preparation (2001-10-02),
Company Overview
Celltech Therapeutics Limited, based in Berkshire, UK, specializes in the development of innovative therapeutic solutions, focusing on recombinant antibodies and protein kinase inhibitors. The company is engaged in advanced research in areas such as metalloproteinase derivatives and humanized antibodies, contributing to the evolving landscape of biopharmaceuticals. Their expertise extends to the development of cinnamic acid derivatives, phenylalanine derivatives, and nucleic acids, with a commitment to addressing unmet medical needs through cutting-edge technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

81 Patents

#1 in Berkshire

#228 in United Kingdom

#9,354 in the World

Berkshire, GB
Berkshire, United Kingdom

Celltech Therapeutics Limited

Forward Citations = 3,646

57 inventors:

goldMedal Graham John Warrellow (34 out of 59 patents)

silverMedal Rikki Peter Alexander (19 out of 41 patents)

bronzeMedal John Clifford Head (16 out of 38 patents)

4.  John Robert Porter (11 out of 67 patents)

5.  Sarah Catherine Archibald (10 out of 26 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Celltech Therapeutics Limited. Retrieved from https://idiyas.com/company/celltech-therapeutics

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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