Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maine ranks #43 among US states for total patents filed in 2024, with 646 patents from 418 inventors across 119 cities. On a per-capita basis that is 0.5 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Maine 2024

Rank City Patents Inventors
#1 Fryeburg, ME 99 56
#2 Portland, ME 70 44
#3 Winthrop, ME 22 2
#4 Scarborough, ME 18 15
#5 South Portland, ME 18 9
#6 Cape Elizabeth, ME 15 9
#7 Bar Harbor, ME 15 13
#8 Kennebunk, ME 14 10
#9 Saco, ME 13 8
#10 Falmouth, ME 13 11
#11 Yarmouth, ME 13 11
#12 York, ME 12 10
#13 Gorham, ME 12 10
#14 Lincolnville, ME 11 2
#15 Wells, ME 11 3
#16 Rockport, ME 10 3
#17 Brunswick, ME 10 8
#18 Camden, ME 9 3
#19 Lyman, ME 8 3
#20 Acton, ME 7 1
#21 Windham Center, ME 7 7
#22 Orono, ME 7 7
#23 North Berwick, ME 7 3
#24 Kennebunkport, ME 7 3
#25 Hartland, ME 7 1

Top Inventors in Maine 2024

Rank Inventor City Company Patents
1 Justin D. Cumming Winthrop Chargepoint 21
2 Edward Hummel Fryeburg Digital Global Systems 13
3 Kathryn Bauer Thomas Portland The Boeing 10
#4 Isai Olvera South Portland Hi 8
#5 Eric Levitt Lincolnville Square Robot 7
#5 Nicholas M. Daggett Camden GE 7
#5 Frank Sinclair Hartland Varian Semiconductor Equipment Associates 7
#5 Gregory Roger Martin Acton Corning Incorporated 7
#9 Daniel S. Rogers Lyman RTX (Raytheon) 6
#9 Brian Bloch Fryeburg Colgate-Palmolive 6
#9 Jeffrey Gniadek Oxford Senko Advanced Components 6
#9 Thomas E. Clark Wells RTX (Raytheon) 6
#9 Christophe Bucher Fryeburg As America 6
#14 Malcolm Toon Cape Elizabeth The Boeing 5
#14 Meegan Daigler Portland Reia 5
#14 Harsh M. Trivedi Fryeburg Colgate-Palmolive 5
#14 Daniel R. Cohn Bridgton MIT 5
#14 John T. Raffle Rockport Electrocore 5
#14 Paul M. Lutjen Kennebunkport RTX (Raytheon) 5
#20 Forrest Joel Tripp Saco Howe & Howe 4
#20 Daniel J. Walsh Wells IBM 4
#20 Christopher W. Strock Boothbay Harbor RTX (Raytheon) 4
#20 W. Davis Lee Rockport Varian Semiconductor Equipment Associates 4
#20 Tianjian Huang Fryeburg Henkel Ip & Holding Gmbh 4
#20 Kevin James McElwee Berwick Boston Scientific Scimed 4

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