Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maryland ranks #22 among US states for total patents filed in 2017, with 5,632 patents from 3,610 inventors across 233 cities. On a per-capita basis that is 0.9 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Maryland 2017

Rank City Patents Inventors
#1 Baltimore, MD 890 537
#2 Rockville, MD 374 243
#3 Gaithersburg, MD 343 194
#4 Bethesda, MD 323 228
#5 Potomac, MD 249 140
#6 Silver Spring, MD 231 151
#7 Ellicott City, MD 219 152
#8 Germantown, MD 209 112
#9 Columbia, MD 201 151
#10 Frederick, MD 139 79
#11 Timonium, MD 101 59
#12 Annapolis, MD 85 64
#13 North Potomac, MD 78 48
#14 Severna Park, MD 75 39
#15 Laurel, MD 69 45
#16 Bel Air, MD 66 47
#17 Cockeysville, MD 64 42
#18 Towson, MD 48 32
#19 Elkton, MD 48 35
#20 Kensington, MD 47 33
#21 Westminster, MD 42 28
#22 Olney, MD 41 26
#23 Boyds, MD 39 21
#24 Mount Airy, MD 39 21
#25 Owings Mills, MD 37 23

Top Inventors in Maryland 2017

Rank Inventor City Company Patents
1 Lisa Seacat DeLuca Baltimore Unstoppable Domains 70
2 Shom Ponoth Gaithersburg IBM 20
3 Elizabeth S. Votaw Potomac Bank of America 16
#4 Kamran Etemad Potomac Intel 13
#4 Sharon Kennedy Randallstown Colgate-Palmolive 13
#6 Jan W. Amtrup Silver Spring Kofax 12
#6 Michael A. Blocksome Rosedale IBM 12
#8 Kenton C. Hasson Gaithersburg Canon 11
#8 Fraser M. Smith Baltimore Sarcos 11
#8 William Albert Tartal Baltimore United States Postal Service 11
#8 Richard C. Uskert Timonium 11
#12 Robert E. Fischell Dayton Angel Medical Systems 10
#13 Ahmnon D. Moskowitz Rockville Moskowitz Family 9
#13 Alan Neuhauser Silver Spring The Nielsen Company (Us) 9
#13 Austin Kim Columbia Samsung 9
#13 Gregory D. Hager Baltimore The Johns Hopkins University 9
#13 Russell H. Taylor Severna Park The Johns Hopkins University 9
#13 Douglas E. Brough Germantown Genvec 9
#13 Nathan C. Moskowitz Rockville Moskowitz Family 9
#13 Mosheh T. Moskowitz Rockville Moskowitz Family 9
#21 Kenneth W. Kinzler Baltimore The Johns Hopkins University 8
#21 Joel Locknauth Dewnandan Bladensburg United States Postal Service 8
#21 Justin X. Howe Baltimore Mastercard 8
#21 Michael V. Recker Gaithersburg Amazon 8
#21 Gang Wang Frederick Google 8

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