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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Halifax, MA ranks #10,867 worldwide for total patents filed all time, with 177 patents from 34 inventors. Leading employers of inventors based in Halifax, MA include Opus Ksd, Medica, Cytotherapeutics.

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 Charles H. Rogers Opus Ksd 30
2 Charles J. Rogers Medica 27
3 Edward J. Doherty Cytotherapeutics 26
#4 Alan Phillips PayPal 19
#5 Rachel M. Loftin The Gillette Company 18
#6 James L. Read Read Co. 7
#7 Kenneth J. Leff Adt Holdings 6
#8 Christopher P. Sullivan Rohm And Haas Electronic Materials 5
#9 Derek Lewis 4
#10 George H. Verry 3
#11 William H. DeCastro, Jr. Jet Spray 2
#11 Daniel J. Borsari Polygon Medical 2
#11 Donn Burgess US Dept of Energy 2
#11 Peter Matthews Electric Hydrogen 2
#11 Brian Tonello 2
#11 Brian W. Gilman Tnco 2
#11 Michael D. Cataldo Dunkin' Donuts Incorporated 2
#11 Mason Riley Northwestern University 2
#19 Steven M. Corkren 1
#19 Daniel T. Darcy 1
#19 Donald A. Mauch 1
#19 John P. Gott 1
#19 Paul Goldie Healthstar 1
#19 Richard Corby Batesville Services 1
#19 Loring T. Verry 1
#19 Martin G. Tyrrell 1
#19 Jessica Normand 1
#19 John L. Dykeman 1
#19 Michael F. McManus 1
#19 Robert A. Pollara, Jr. 1
#19 William F. Doherty Chloride 1
#19 Michael S. Getchell 1
#19 Jonathan Hastie Foster-Miller 1
#19 Diane D. Matthews 1

Part of Massachusetts