Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maryland ranks #22 among US states for total patents filed in 2022, with 5,837 patents from 3,746 inventors across 259 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 2022

Rank City Patents Inventors
#1 Baltimore, MD 903 575
#2 Rockville, MD 375 228
#3 Bethesda, MD 312 209
#4 Gaithersburg, MD 282 199
#5 Germantown, MD 242 140
#6 Potomac, MD 235 133
#7 Silver Spring, MD 216 145
#8 Columbia, MD 213 135
#9 Ellicott City, MD 187 128
#10 Frederick, MD 146 90
#11 Chevy Chase Section Five, MD 93 18
#12 Timonium, MD 86 54
#13 College Park, MD 78 53
#14 Annapolis, MD 76 59
#15 North Potomac, MD 68 39
#16 Cockeysville, MD 67 38
#17 Bel Air, MD 65 45
#18 Towson, MD 64 45
#19 Clarksburg, MD 61 42
#20 Laurel, MD 59 43
#21 Clarksville, MD 52 39
#22 Severna Park, MD 50 30
#23 Greenbelt, MD 49 38
#24 North Bethesda, MD 45 18
#25 Boyds, MD 40 29

Top Inventors in Maryland 2022

Rank Inventor City Company Patents
1 Jeffrey RULE Chevy Chase Section Five Capital One Services 51
2 Lisa Seacat DeLuca Baltimore Unstoppable Domains 41
3 Kelley Anders East New Market IBM 24
3 Gang Wang Frederick Google 24
#5 Charles E. Beller Baltimore IBM 21
#6 Alberto Daniel Lacaze Potomac Robotic Research Opco 17
#7 Donald Gerard Madden Columbia Alarm.Com Incorporated 16
#7 Wayne LUTZ Fort Washington Capital One Services 16
#7 Michael Canty Bethesda NVIDIA 16
#7 Oscar Chi-Lim Au Rockville Origin Wireless 16
#11 K. J. Ray Liu Potomac Origin Wireless 15
#11 Thomas M. Isaacson Huntingtown Monticello Enterprises 15
#13 David McGrew Poolesville Cisco 13
#14 Kenneth W. Kinzler Baltimore The Johns Hopkins University 12
#14 Dan Shen Germantown Intel 12
#14 Bert Vogelstein Baltimore The Johns Hopkins University 12
#17 Howard SPECTOR Street JPMorgan Chase 11
#18 Nickolas Papadopoulos Towson The Johns Hopkins University 10
#18 Steven A. Rosenberg Bethesda The United States Of America, As Represented By The Secretary, Department Of Health And Human Services 10
#18 Kristen M. Summers Takoma Park IBM 10
#18 Atousa Raissyan Potomac Kip Prod P1 Lp 10
#18 Alexander Wayne Clark Baltimore HP 10
#18 Virgil Johnson, Jr. Gaithersburg Lexmark International 10
#18 Xin Tian College Park Shenzhen Zhengtu Auto Accessories Co. 10
#18 Chad Gordon Cockeysville The Johns Hopkins University 10

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