Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maryland ranks #21 among US states for total patents filed in 2024, with 6,071 patents from 3,699 inventors across 250 cities. On a per-capita basis that is 1.0 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Maryland 2024

Rank City Patents Inventors
#1 Baltimore, MD 960 599
#2 Rockville, MD 417 232
#3 Bethesda, MD 328 230
#4 Silver Spring, MD 260 160
#5 Germantown, MD 260 147
#6 Gaithersburg, MD 257 192
#7 Potomac, MD 221 119
#8 Ellicott City, MD 212 130
#9 Frederick, MD 185 89
#10 Columbia, MD 184 123
#11 College Park, MD 148 65
#12 Chevy Chase Section Five, MD 116 18
#13 Timonium, MD 84 56
#14 Towson, MD 81 51
#15 North Potomac, MD 68 40
#16 Cockeysville, MD 66 37
#17 Laurel, MD 61 41
#18 Annapolis, MD 60 48
#19 Greenbelt, MD 58 40
#20 Hyattsville, MD 57 31
#21 Clarksburg, MD 57 30
#22 Severna Park, MD 54 27
#23 Bel Air, MD 51 34
#24 North Bethesda, MD 51 16
#25 Clarksville, MD 50 33

Top Inventors in Maryland 2024

Rank Inventor City Company Patents
1 Jeffrey RULE Chevy Chase Section Five Capital One Services 72
2 Gang Wang Frederick Google 49
2 Xin Tian College Park Shenzhen Zhengtu Auto Accessories Co. 49
#4 Bryant Yee Silver Spring Capital One Services 32
#5 Donald Gerard Madden Columbia Alarm.Com Incorporated 23
#6 Wayne LUTZ Fort Washington Capital One Services 19
#6 Ronald C. Dzierwa Baltimore Digital Global Systems 19
#8 Daniel Carbajal Severna Park Digital Global Systems 18
#8 Howard SPECTOR Street JPMorgan Chase 18
#8 Marin Kobilarov Baltimore Zoox 18
#11 Michael David Hill Emmitsburg Skyworks Solutions 15
#12 Erik T. Mueller Chevy Chase Section Five Capital One Services 14
#12 Eric Voit Bethesda Cisco 14
#12 Oscar Chi-Lim Au Rockville Origin Wireless 14
#12 David McGrew Poolesville Cisco 14
#16 Hui Wang Hanover Acm Research (Shanghai) 13
#16 Carol Marie Oles Baldwin Spoton Transact 13
#18 Bandele Jeffrey-Coker Deakins Range Meso Scale Technologies, Llc. 12
#18 Michael Canty Bethesda NVIDIA 12
#18 K. J. Ray Liu Potomac Origin Wireless 12
#21 Manish Kochar Rockville Meso Scale Technologies, Llc. 11
#21 Neil J. Campbell Damascus Dss Pure Air 11
#21 Jun Wang Greenbelt Tencent America 11
#21 Matthew J. Velderman Baltimore Black & Decker 11
#21 Lisa Seacat DeLuca Baltimore Unstoppable Domains 11

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