David Allan

This inventor holds 77 USPTO granted patents and 18 published patent applications and 9 EPO patents, primarily in Network Engineering (CPC class H04L). Top assignees: Nortel Networks Corporation, Rockstar Consortium US LP, Rockstar Bidco, LP. Active years: 2004-2018.

USPTO Granted Patents = 77 (Patent Applications = 18)

% Patents Active = 11.7

EPO Patents = 9 (Patent Applications = 21)

Average Co-Inventor Count = 2.3

ph-index = 16

Forward Citations = 1,508(Granted Patents)

Forward Citations (Not Self Cited) = 1,450(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

27 out of 4,171

Nortel Networks Corporation

patents

19 out of 254

Rockstar Consortium US LP

Rpx Clearinghouse LLC

Telefonaktiebolaget Lm Ericsson (Publ)

patents

7. 2 out of 5

Constellation Technologies, LLC

Years Active: 2004-2018

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Areas of Expertise:

Multicast Implementation

Link State Bridging

Traffic Engineering

Ethernet Networks

VPN Implementation

Provider Backbone Bridging

Routing Information

Point-to-Multipoint Resilience

Differential Forwarding

Virtual Private LAN Service

Automated Traffic Engineering

77 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9876707 - Method and apparatus for multicast implementation in a network (2018-01-23),

2. 9444720 - Method and apparatus for multicast implementation in a routed ethernet mesh network (2016-09-13),

3. 9432213 - IP forwarding across a link state protocol controlled ethernet network (2016-08-30),

4. 9356862 - Differential forwarding in address-based carrier networks (2016-05-31),

5. 9319268 - Q-in-Q Ethernet rings (2016-04-19),

6. 9210071 - Automated traffic engineering for fat tree networks (2015-12-08),

7. 9100316 - Resilient provider link state bridging (PLSB) virtual private LAN service (VPLS) interworking (2015-08-04),

8. 9100269 - Provisioned provider link state bridging (PLSB) with routed back-up (2015-08-04),

9. 9036641 - Provider backbone bridging—provider backbone transport internetworking (2015-05-19),

10. 9008088 - Multicast implementation in a link state protocol controlled ethernet network (2015-04-14),

11. 8971332 - Implementation of VPNs over a link state protocol controlled Ethernet network (2015-03-03),

12. 8964531 - Resilient attachment to provider link state bridging (PLSB) networks (2015-02-24),

13. 8923292 - Differential forwarding in address-based carrier networks (2014-12-30),

14. 8885490 - Failure notification in a network having serially connected nodes (2014-11-11),

15. 8879424 - Method and apparatus for exchanging routing information and the establishment of connectivity across multiple network areas (2014-11-04),

Title: **David Allan: Innovator in Multicast Network Technology**

Introduction

David Allan, located in Ottawa, Canada, is a prolific inventor with an impressive portfolio of 77 patents. His significant contributions to the field of multicast network technology have set him apart as a leading figure in innovation.

Latest Patents

Among his notable recent inventions are two patents titled "Method and Apparatus for Multicast Implementation in a Network" and "Method and Apparatus for Multicast Implementation in a Routed Ethernet Mesh Network." These patents address critical aspects of multicast group membership management on Ethernet networks. Both patents emphasize the use of routing systems to advertise interest in multicast membership, alongside algorithms that nodes utilize to calculate distribution trees for multicast traffic. The integration of spanning tree processes enables efficient traffic forwarding, significantly reducing the forwarding state required for multicast operations on routed Ethernet mesh networks.

Career Highlights

David Allan has made substantial strides in his career, having worked with leading organizations such as Nortel Networks Corporation and Rockstar Consortium US LP. His expertise and innovative mindset have translated into groundbreaking advancements in network technologies.

Collaborations

Throughout his career, David has collaborated with notable professionals, including Nigel Lawrence Bragg and Jerome Chiabaut. These partnerships have likely contributed valuable perspectives and expertise that enhanced his work in multicast technologies.

Conclusion

David Allan's innovative approach to multicast network technology not only showcases his exceptional talent as an inventor but also highlights the importance of collaboration and effective problem-solving in the tech industry. His numerous patents reflect his dedication to improving network efficiency and functionality, marking him as a significant contributor to technological advancements.