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For the Inventor, By the Inventor

Enfield, United Kingdom

Metaswitch Networks Limited


USPTO Granted Patents = 184

% Expired Patents = 4.9



Trademarks = 15

Forward Citations = 179

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128 inventors (with patents filed for the assignee):

goldMedal Michael Jeffrey Evans (23 out of 24 patents)

silverMedal Shaun Crampton (21 out of 21 patents)

bronzeMedal Matthew Williams (17 out of 17 patents)

4.  Chris Mairs (15 out of 15 patents)

5.  David Drysdale (13 out of 13 patents)

6.  Andrew Munro Caldwell (12 out of 17 patents)

7.  Alex Pollitt (12 out of 13 patents)

8.  Felix Palmer (12 out of 12 patents)

9.  Christian Dominic Lund (11 out of 11 patents)

10.  Nicholas Peter Larkin (11 out of 11 patents)

11.  Michael James Curtis (10 out of 19 patents)

12.  Colin Tregenza Dancer (10 out of 10 patents)

13.  Liz Rice (10 out of 16 patents)

14.  Philip Pearl (10 out of 10 patents)

15.  Matthew Ian Ronald Williams (8 out of 19 patents)


Core Competencies:
Packet Processing
Network Orchestration
Telephony Signalling
Data Processing
Virtualized Environment
Session Initiation Protocol
Roaming Management
Traffic Management
Communication Sessions
Core Network Functions
Message Processing
Timer Services

184 patents:

1. 12301694 - Packet processing (2025-05-13),
2. 12229101 - Processing and storing data using a hash table data structure (2025-02-18),
3. 12003421 - Packet processing graphs (2024-06-04),
4. RE49981 - Network orchestration (2024-05-21),
5. 11963070 - Processing signalling messages in a network node (2024-04-16),
6. 11909668 - Programmable packet data processing system (2024-02-20),
7. 11877347 - Roaming management system (2024-01-16),
8. 11863636 - Timer services (2024-01-02),
9. 11811560 - Processing traffic in a virtualised environment (2023-11-07),
10. 11757984 - Processing communication sessions (2023-09-12),
11. 11750494 - Modified graceful restart (2023-09-05),
12. 11729625 - Associating a user service with a telephony identifier (2023-08-15),
13. 11678149 - Communications network (2023-06-13),
14. 11665098 - Processing user traffic in a virtualised network (2023-05-30),
15. 11659071 - Packet processing (2023-05-23),
Metaswitch Networks Limited, based in Enfield, GB, specializes in network functions virtualization, providing advanced solutions for telecommunications and data processing. The company focuses on core technology areas such as packet processing, network orchestration, and telephony signaling, enabling service providers to enhance their network capabilities. With expertise in virtualized environments and traffic management, Metaswitch plays a crucial role in modernizing communication infrastructures and optimizing roaming management for seamless connectivity.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Metaswitch Networks Limited
184 Patents

#1 in Enfield

#90 in United Kingdom

#4,543 in the World

Enfield, GB
Enfield, United Kingdom

Metaswitch Networks Limited

Forward Citations = 179

128 inventors:

goldMedal Michael Jeffrey Evans (23 out of 24 patents)

silverMedal Shaun Crampton (21 out of 21 patents)

bronzeMedal Matthew Williams (17 out of 17 patents)

4.  Chris Mairs (15 out of 15 patents)

5.  David Drysdale (13 out of 13 patents)

Please report any incorrect information to [email protected]
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