Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Topsfield, MA ranks #3,057 worldwide for total patents filed in 2021, with 40 patents from 20 inventors. Leading employers of inventors based in Topsfield, MA include Desktop Metal, Sophos Limited, Acutus Medical. That works out to 14.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Justin Cumming Desktop Metal 4
1 Karl Ackerman Sophos Limited 4
3 R. Maxwell Flaherty Acutus Medical 3
3 Carol Devellian W.L. Gore & Associates Gmbh 3
#5 Anh Uong IBM 2
#5 Jeffrey E. Krampert Varian Semiconductor Equipment Associates 2
#5 J Christopher Flaherty Edwards Lifesciences 2
#5 Thomas C. Evans New England Biolabs 2
#5 Renato Mastrogiovanni 2
#5 Jesse E. Ambrosina Mks Instruments 2
#5 Christoph Maximilian Steinbrecher Analog Devices 2
#5 Joshua Krieger Cook Medical Technologies 2
#5 David Matthew Stevenson Aveva Software 2
#5 Alan Blanchard Thrive Bioscience 2
#15 Craig Zimmerman Molecular Insight Pharmaceuticals 1
#15 Roger Michael Roach GE 1
#15 Alyssa Bean Seminex 1
#15 Douglas Abraham Analogic 1
#15 Peter Dillon The Timberland 1
#15 Christopher Paul Ladas Honeywell 1

Part of Massachusetts