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Edinburgh, United Kingdom

Purelifi Limited

USPTO Granted Patents = 34

EPO Patents = 21

Trademarks = 1

Forward Citations = 22

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32 inventors (with patents filed for the assignee):

Mostafa Afgani (9 out of 11 patents)

Harald Haas (9 out of 33 patents)

Stephan Berner (9 out of 9 patents)

4. Duncan John William Walker (7 out of 7 patents)

5. Dobroslav Tsonev (6 out of 10 patents)

6. Istvan Phillipe Bernard Csajaghy (5 out of 5 patents)

7. Ivan Alf Karlsson (4 out of 4 patents)

8. Artur Witold Wieczorek (4 out of 4 patents)

9. Nikola Serafimovski (4 out of 4 patents)

10. Harald Burchardt (3 out of 4 patents)

11. Mohamed Sufyan Islim (3 out of 4 patents)

12. Steven Ritchie (3 out of 3 patents)

13. Arne Rossius (3 out of 3 patents)

14. Angelos Spanos (2 out of 2 patents)

15. Christopher Nigel Tate (2 out of 2 patents)

Core Competencies:

Freeform Optics

Optical Wireless Communication

Signal Retransmission

Mobile Communications Device

Display Apparatus

Light Communication

Optical Transceiver

Proximity Sensor

Tuneable Filter Grating

Camera System

Wireless Communication

34 patents: Sort by Forward Citations

1. 12596208 - Freeform optics for optical wireless communications (2026-04-07),

2. 12489526 - Optical wireless communication apparatus and method (2025-12-02),

3. 12431975 - Display apparatus (2025-09-30),

4. 12368509 - Optical wireless communication system and method (2025-07-22),

5. 12199667 - Signal retransmission system and method (2025-01-14),

6. 12191908 - Receiver and associated mobile communications device (2025-01-07),

7. 12160264 - Optical wireless communication (OWC) unit (2024-12-03),

8. 12107627 - Display apparatus (2024-10-01),

9. 12101118 - Light communication system and method (2024-09-24),

10. 11901945 - Optical wireless communication transceiver and method for controlling the power mode of such a transceiver (2024-02-13),

11. 11817899 - Optical wireless communication system and method (2023-11-14),

12. 11778311 - Camera system including a proximity sensor and related methods (2023-10-03),

13. 11750285 - Display apparatus (2023-09-05),

14. 11750284 - Optical wireless communication system and method (2023-09-05),

15. 11742948 - Receiver and associated mobile communications device (2023-08-29),

Company Overview

Purelifi Limited, based in Edinburgh, specializes in advanced optical wireless communication technologies, particularly through the use of Li-Fi (Light Fidelity). This innovative approach leverages light to transmit data, offering high-speed connectivity solutions that complement existing wireless technologies. The company focuses on developing applications for various sectors, including telecommunications, smart lighting, and IoT, aiming to enhance data transmission efficiency and connectivity in diverse environments.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

34 Patents

#9 in Edinburgh

#527 in United Kingdom

#19,631 in the World

Edinburgh, United Kingdom

Purelifi Limited

Forward Citations = 22

32 inventors:

Mostafa Afgani (9 out of 11 patents)

Harald Haas (9 out of 33 patents)

Stephan Berner (9 out of 9 patents)

4. Duncan John William Walker (7 out of 7 patents)

5. Dobroslav Tsonev (6 out of 10 patents)

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

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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