Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DH

David Hotham — 10 Patents

MNMetaswitch Networks: 6 patents #19 of 129Top 15%
Microsoft: 4 patents #10,758 of 40,388Top 30%
Grafton, GB: #80 of 1,495 inventorsTop 6%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
David Hotham has been granted 10 US patents while listed as an inventor at Metaswitch Networks. The first was granted in 2016 and the most recent in February 2024. David Hotham ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list David Hotham in Grafton, GB.

Patents per Year

Patents granted per year, 2016 to 2024Bar chart with a peak of 3 patents in 2023.peak 32016: 1 patents20162019: 1 patents20192020: 1 patents20202021: 1 patents20212022: 2 patents20222023: 3 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11893395 Restart controller Murray William Rogers, Sophie STRATTON, Joseph Ellis Darracott Powell, Matthew Ian Ronald WILLIAMS 2024-02-06 $451,340,000
11831501 Virtual network function descriptor generator Andrew Lee, James Duncan Parsons, Andrew CALDWELL, Michael Duppre, Philip Davies +1 more 2023-11-28 $298,085,000
11663019 Restart controller Murray William Rogers, Sophie STRATTON, Joseph Ellis Darracott Powell, Matthew Ian Ronald WILLIAMS 2023-05-30 $361,099,000
11563633 Virtual network function descriptor generator Andrew Lee, James Duncan Parsons, Andrew CALDWELL, Michael Duppre, Philip Davies +1 more 2023-01-24 $221,394,000
11539612 Testing virtualized network functions Andrew Lee, Joe Powell, Philip Davies, Michael Duppre, Jamie Parsons +1 more 2022-12-27
11425203 Commissioning a virtualized network function Andrew Lee, Joe Powell, Philip Davies, Michael Duppre, Jamie Parsons +1 more 2022-08-23
11070678 Establishing a telephony session Richard Underwood, Andrew Robinson Hodges 2021-07-20
10623579 Establishing a telephony session Richard Underwood, Andrew Robinson Hodges 2020-04-14
10498903 Establishing a telephony session Richard Underwood, Andrew Robinson Hodges 2019-12-03
9311073 Upgrading nodes using leader node appointment Jon ROWLAND 2016-04-12