Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Monaco, MC ranks #5,547 worldwide for total patents filed all time, with 464 patents from 139 inventors. Leading employers of inventors based in Monaco, MC include Coty B.V., Exsymol S.A.M., Dropsa S.P.A..

Showing 1–50 of 139 inventors

Rank Inventor Primary Company Patents
1 Leonhard Zastrow Coty B.V. 52
2 Karin Golz-Berner Coty B.V. 33
3 Marie-Christine Seguin Exsymol S.A.M. 28
#4 Walter Divisi Dropsa S.P.A. 23
#5 Benjamin Bernard Dr. Ing. H.C. F. Porsche Ag 16
#6 Duncan Barclay Plastic Logic Limited 13
#7 Piers Christian Storey George Tfe Scp 12
#8 Mark Oleynik Mbl Limited 11
#8 Jean Braud Single Buoy Moorings 11
#10 John George Lloyd George Tfe Scp 10
#11 Gerold Tebbe Deotexis 9
#12 Edward S. Gelbard Hilex Poly Co. 7
#13 Dorothee Bernini Coty Germany Gmbh 6
#13 Frédéric Genin Ion Beam Applications 6
#13 Willem Jan van Heijst Bluewater Terminal Systems Nv 6
#13 Sverre Dokken 6
#13 Thomas Bleiner Astron Fiamm Safety Sarl 6
#13 Alexander Ruebben Aachen Scientific International Pte. 6
#19 Alberto Repossi Societe Civile G.A.R. 5
#19 Tibor Arvai Verdol S.A. 5
#19 Albert Viviani 3M 5
#19 Arye Laniado 3M 5
#19 Joshua Laniado 3M 5
#24 Frederic Bavastro Unknown 4
#24 Moreno Minghetti 4
#24 Lorenz Baumer Guerlain 4
#24 Francois Szonyi Atochem 4
#24 Pieter Liem Single Buoy Moorings 4
#29 Eric Barrabino Single Buoy Moorings 3
#29 Anthony Maxwell Maxwell 3
#29 Sossio Morra 3
#29 Nicole Morris 3
#29 Jeremy Hein 3
#29 Kerry Harrison Unknown 3
#29 Allan Inovius 3
#29 Geoffery O'Nion Single Buoy Moorings 3
#29 Bjorn Holmstrom 3
#29 Lionel Chew 3
#29 Alexander Rübben Aachen Scientific International Pte. 3
#29 John Stewart Jakes 3
#41 Angelina Riffeser 2
#41 Billy Jay Junior SMART 2
#41 Gilbert Schick 2
#41 Marshal McMahon Cogito 2
#41 Richard Hadida Evolution Malta Limited 2
#41 Leila Benedicte Habiche 2
#41 Martin Marschner Von Helmreich 2
#41 Axelle Note-Simonnard 2
#41 Jean M. Gastaud 2
#41 Philippe Brunner 2