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For the Inventor, By the Inventor

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Circassia Limited

Calculating rank
USPTO Granted Patents = 19

% Expired Patents = 57.9



Trademarks = 2

Forward Citations = 31

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11 inventors (with patents filed for the assignee):

goldMedal Roderick Peter Hafner (14 out of 29 patents)

silverMedal Paul Laidler (12 out of 12 patents)

bronzeMedal Mark Larche (12 out of 12 patents)

4.  Anthony Barrington Kay (3 out of 3 patents)

5.  Robyn Elizabeth O'Hehir (2 out of 10 patents)

6.  Jennifer May Rolland (2 out of 8 patents)

7.  Guy Layton (2 out of 2 patents)

8.  James Robinson (1 out of 5 patents)

9.  Pascal Hickey (1 out of 1 patent)

10.  Imre Farkas (1 out of 1 patent)

11.  Graham Ruecroft (1 out of 6 patents)

12.  Dipesh Parikh (5 patents)

13.  Simon Ball (1 patent)

14.  Paul Laider (0 patent)

15.  Rod Hafner (0 patent)


19 patents:

1. 10143991 - Process for making crystals (2018-12-04),
2. 9850281 - Cladosporium peptides (2017-12-26),
3. 9744222 - Peptide for vaccine (2017-08-29),
4. 9657061 - Hydrochloride salt of peptide and its use in combination with other peptides for immunotherapy (2017-05-23),
5. 9375470 - Compositions with reduced dimer formation (2016-06-28),
6. 9347937 - Vaccine comprising Amb a 1 peptides for use in the treatment of ragweed allergy (2016-05-24),
7. 9340580 - Peptide with multiple epitopes (2016-05-17),
8. 9180098 - Compositions with reduced dimer formation (2015-11-10),
9. 9168295 - Vaccine peptide combinations (2015-10-27),
10. 9120865 - T cell epitopes of the Cyn d 1 allergen from bermuda grass pollen (2015-09-01),
11. 9017689 - Peptides for vaccine against birch allergy (2015-04-28),
12. 8821887 - T-cell antigen peptide from allergen for stimulation of IL-10 production (2014-09-02),
13. 8753644 - Grass peptides for vaccine (2014-06-17),
14. 8652485 - Peptide for vaccine (2014-02-18),
15. 8551493 - Peptide with reduced dimer formation (2013-10-08),
Company Overview
Circassia Limited is a UK-based biopharmaceutical company focused on the development and commercialization of innovative respiratory products. The organization specializes in addressing unmet medical needs in the management of asthma and chronic obstructive pulmonary disease (COPD). With a commitment to advancing respiratory health, Circassia leverages its expertise in drug formulation and delivery technologies to enhance patient outcomes and improve quality of life for individuals suffering from these chronic conditions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

19 Patents

#44 in

#928 in United Kingdom

#32,705 in the World

GB
GB

Circassia Limited

Forward Citations = 31

11 inventors:

goldMedal Roderick Peter Hafner (14 out of 29 patents)

silverMedal Paul Laidler (12 out of 12 patents)

bronzeMedal Mark Larche (12 out of 12 patents)

4.  Anthony Barrington Kay (3 out of 3 patents)

5.  Robyn Elizabeth O'Hehir (2 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Circassia Limited. Retrieved from https://idiyas.com/company/circassia

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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