% Expired Patents = 50.0

CIPO Patents = 14

EPO Patents = 7

Forward Citations = 613

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10 inventors (with patents filed for the assignee):

Philip Wilson Howard (8 out of 92 patents)

Luke Masterson (5 out of 17 patents)

Arnaud Charles Tiberghien (4 out of 10 patents)

4. Stephen John Gregson (4 out of 13 patents)

5. Zhizhi Chen (2 out of 4 patents)

6. Scott C Jeffrey (1 out of 30 patents)

7. Patrick J Burke (1 out of 26 patents)

8. Peter Senter (1 out of 47 patents)

9. David Edwin Thurston (1 out of 21 patents)

10. Geoffrey Wells (1 out of 4 patents)

11. Andrew G Polson (51 patents)

12. Paul Polakis (61 patents)

13. Binqing Wei (13 patents)

14. John A Flygare (55 patents)

15. Thomas Pillow (42 patents)

8 patents: Sort by Forward Citations

1. 9102704 - Synthesis method and intermediates useful in the preparation of pyrrolobenzodiazepines (2015-08-11),

2. 8940733 - Unsymmetrical pyrrolobenzodiazepine-dimers for treatment of proliferative diseases (2015-01-27),

3. 8829184 - Intermediates useful for the synthesis of pyrrolobenzodiazepines (2014-09-09),

4. 8697688 - Pyrrolobenzodiazepines used to treat proliferative diseases (2014-04-15),

5. 8637664 - Alkyl 4- [4- (5-oxo-2,3,5, 11a-tetrahydo-5H-pyrrolo [2, 1-c] [1,4] benzodiazepine-8-yloxy)-butyrylamino]-1H-pyrrole-2-carboxylate derivatives and related compounds for the treatment of a proliferative disease (2014-01-28),

6. 8633185 - Pyrrolobenzodiazepines (2014-01-21),

7. 8592576 - Unsymmetrical pyrrolobenzodiazepine-dimers for treatment of proliferative diseases (2013-11-26),

8. 8501934 - Pyrrolobenzodiazepines (2013-08-06),

Company Overview

Spirogen Sarl is a biotechnology company specializing in developing targeted cancer therapies. With a focus on innovative ADC technologies, Spirogen aims to improve treatment outcomes for cancer patients through the creation of novel drugs that selectively target and destroy cancer cells, while minimizing side effects. Through strategic partnerships and collaborations, Spirogen continues to advance its pipeline of promising oncology therapeutics.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

8 Patents

#1 in St-Légier-La Chiésaz

#1,223 in Switzerland

St-Légier-La Chiésaz, Switzerland

Spirogen Sarl

Forward Citations = 613

10 inventors:

Philip Wilson Howard (8 out of 92 patents)

Luke Masterson (5 out of 17 patents)

Arnaud Charles Tiberghien (4 out of 10 patents)

4. Stephen John Gregson (4 out of 13 patents)

5. Zhizhi Chen (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spirogen Sarl. Retrieved from https://idiyas.com/company/spirogen-sarl

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]

14 patents (CIPO):

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]

7 patents (EPO):

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]