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

David Caughey — 4 Patents

COCounterpath: 1 patents #1 of 10Top 10%
Ottawa, CA: #1,634 of 6,399 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Caughey has been granted 4 US patents while listed as an inventor at Counterpath. The first was granted in 2007 and the most recent in September 2013. David Caughey ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Caughey in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8542673 Multimedia interactive telephony services 2013-09-24 $910,000
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