Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

London, CA ranks #660 worldwide for total patents filed all time, with 5,085 patents from 1,223 inventors. Leading employers of inventors based in London, CA include Monsanto Technology, AT&T, Trudell Medical International.

Showing 1–50 of 1,223 inventors

Rank Inventor Primary Company Patents
1 Jon Popi Monsanto Technology 167
2 Michael J. Nuttall AT&T 122
3 Rafael A. Mateo Monsanto Technology 115
#4 Martin P. Foley Trudell Medical International 73
#5 Michael Nuttall Micron 66
#6 Adam Meyer Trudell Medical International 64
#7 Donald B. McClure Syngenta Participations Ag 61
#8 Robert F. Evans Fci Americas Technology 51
#9 Kari Greason Pioneer (Corteva) 41
#10 Aaron Fenster Life Imaging Systems 40
#11 Michael M. Thornton Endra Life Sciences 39
#11 David B. Thompson Harvard University 39
#13 Andrew Lakerdas Siemens Vdo Automotive Ag 35
#14 Robert B. Macdonald Exterior Wall Systems Limited 34
#15 Daniel Engelbreth Trudell Medical International 33
#16 Philip A. Macdonald Exterior Wall Systems Limited 32
#17 Marek Horski Siemens Canada Limited 31
#18 Robert Durand Dana Limited 30
#19 Martin Albert Lozon The Toronto-Dominion Bank 29
#19 Alexander K. Williams Exterior Wall Systems Limited 29
#21 Anthony L. Powell 1934612 Ontario 28
#22 Ion I. Inculet Canadian Patents And Development Limited 27
#22 Neritan Alizoti Trudell Medical International 27
#22 Brian E. Butters 1934612 Ontario 27
#25 Peter A. Kershaw Siemens Canada Limited 26
#25 Jonathan W. Hoy Exterior Wall Systems Limited 26
#25 Neil Duggal Synergy Disc Replacement 26
#25 Sharon Guo Lanxess 26
#29 Adrian Jan De Dreu Syngenta Participations Ag 24
#29 Anthony Miles Dst Innovations 24
#31 Wes Hodges Synaptive Medical (Barbados) 23
#32 Stephen Costella Trudell Medical International 22
#32 Jason John Connell Stryker 22
#34 George Baran Trudell Medical International 21
#34 Richard Brian Roussy Stryker 21
#34 Gilles Arsenault Arlanxeo Singapore Pte. 21
#34 Peter Scarrott Trudell Medical International 21
#38 Ranjith Divigalpitiya 3M 20
#38 David E. Livingstone 3M 20
#38 Jinghui Lu AMD 20
#38 George Klein Medtronic 20
#42 Frank A. Stauder Masco Canada Limited 19
#43 David J. Miller Modus Medical Devices 18
#43 Mohammed Zourob Alfaisal University 18
#43 Brad Scott 18
#46 Dana Adkinson Lanxess International Sa 17
#46 Jason James Cerny Stryker 17
#46 Lingmin Shao Ksr Ip Holdings 17
#46 Hans Otten Bayer Healthcare 17
#46 Clinton Lund Arlanxeo Singapore Pte. 17