For the Inventor, By the Inventor

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London, United Kingdom

R3 Ltd.

USPTO Granted Patents = 25

EPO Patents = 3

Trademarks = 9

Forward Citations = 61

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14 inventors (with patents filed for the assignee):

Michael Christopher Hearn (14 out of 21 patents)

Qurratul Ain Shams Asari (9 out of 9 patents)

Konstantinos Chalkias (5 out of 5 patents)

4. Richard Gendal Brown (5 out of 10 patents)

5. David Hudson (3 out of 3 patents)

6. James William George Carlyle (3 out of 5 patents)

7. Andrius Dagys (2 out of 2 patents)

8. Richard John Parker (2 out of 2 patents)

9. Roy Hopkins (2 out of 2 patents)

10. Matthew Nesbit (1 out of 1 patent)

11. Denis Zhereschin (1 out of 1 patent)

12. Marco Bonifazi (1 out of 1 patent)

13. Michael Christopher Hearn (1 out of 1 patent)

14. Christopher Michael Hearn (0 patent)

25 patents: Sort by Forward Citations

1. 12361394 - Protocol flow for notarizing a transaction (2025-07-15),

2. 12333496 - Settling obligations via netting transactions (2025-06-17),

3. 12212683 - Persistent file system in a secure enclave (2025-01-28),

4. 12120242 - Hash subtrees for grouping components by component type (2024-10-15),

5. 12003617 - Sealed distributed ledger system (2024-06-04),

6. 11978024 - Protocol flow for notarizing a transaction (2024-05-07),

7. 11750400 - Blockchain post-quantum signature scheme (2023-09-05),

8. 11645385 - Counteracting fraudulent clock readings and side-channel attacks (2023-05-09),

9. 11625696 - System and method for managing transactions in dynamic digital documents (2023-04-11),

10. 11625695 - Protocol framework for supporting protocol flows (2023-04-11),

11. 11625680 - Settling obligations via netting transactions (2023-04-11),

12. 11568372 - Deterministic java virtual machine (2023-01-31),

13. 11544679 - Protocol flow for proposing a transaction (2023-01-03),

14. 11544678 - Protocol flow for notarizing a transaction (2023-01-03),

15. 11449959 - System and method for managing transactions in dynamic digital documents (2022-09-20),

R3 Ltd. is a leading enterprise blockchain software firm empowering businesses around the world to develop groundbreaking applications on the Corda blockchain platform. With a strong focus on financial services, R3 offers secure and efficient solutions that improve transparency, reduce risk, and unlock new opportunities. Their innovative technology is revolutionizing industries by streamlining processes, creating network-wide collaboration, and enabling better data integrity and trust across organizations. Learn more about R3 and their transformative solutions on their website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

25 Patents

#125 in London

#697 in United Kingdom

#24,910 in the World

London, United Kingdom

R3 Ltd.

Forward Citations = 61

14 inventors:

Michael Christopher Hearn (14 out of 21 patents)

Qurratul Ain Shams Asari (9 out of 9 patents)

Konstantinos Chalkias (5 out of 5 patents)

4. Richard Gendal Brown (5 out of 10 patents)

5. David Hudson (3 out of 3 patents)

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