Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

David Caughey

COCounterpath: 1 patents #1 of 10Top 10%
Ottawa, CA: #1,615 of 6,399 inventorsTop 30%
Overall (All Time): #1,228,881 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8542673 Multimedia interactive telephony services 2013-09-24
7412487 Method and system for tracking receipt of electronic message 2008-08-12
7334020 Automatic highlighting of new electronic message address 2008-02-19
7228335 Method of automatically populating contact information fields for a new contract added to an electronic contact database 2007-06-05