Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pennsylvania ranks #9 among US states for total patents filed in 2021, with 13,735 patents from 7,685 inventors across 696 cities. On a per-capita basis that is 1.1 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Pennsylvania 2021

Rank City Patents Inventors
#1 Pittsburgh, PA 1,625 1,013
#2 Philadelphia, PA 1,133 613
#3 West Chester, PA 269 172
#4 State College, PA 265 148
#5 Fairless Hills, PA 219 2
#6 Allentown, PA 206 104
#7 Bethlehem, PA 195 113
#8 Newtown, PA 194 61
#9 Yardley, PA 187 83
#10 Downingtown, PA 178 82
#11 Doylestown, PA 168 106
#12 Malvern, PA 167 87
#13 Wayne, PA 166 88
#14 Lansdale, PA 163 97
#15 Phoenixville, PA 159 70
#16 Collegeville, PA 158 100
#17 Erie, PA 150 84
#18 Wexford, PA 145 68
#19 Easton, PA 142 64
#20 York, PA 141 82
#21 Emmaus, PA 124 43
#22 Lancaster, PA 120 74
#23 King of Prussia, PA 112 70
#24 North Wales, PA 100 55
#25 Media, PA 99 58

Top Inventors in Pennsylvania 2021

Rank Inventor City Company Patents
1 Junyi Li Fairless Hills Qualcomm 218
2 Xiaozhong XU State College Tencent America 75
3 Joshua Edwards Philadelphia Capital One Services 71
#4 Jeffrey P. McGuckin Philadelphia Strong Force Iot Portfolio 2016 42
#4 Gerald William Duffy, Jr. Philadelphia Strong Force Iot Portfolio 2016 42
#6 Jason C. Killo Emmaus Lutron Technology Company 34
#7 Michael F. Starsinic Newtown Convida Wireless 31
#8 Quang Ly North Wales Convida Wireless 27
#9 Catalina Mihaela Mladin Hatboro Convida Wireless 25
#9 Thomas E. Kaib Colfax Zoll Medical 25
#11 Dale N. Seed Allentown Convida Wireless 24
#11 Matthew Philip McDonald Phoenixville Lutron Technology Company 24
#13 Chris Dimberg Easton Lutron Technology Company 23
#13 Prasanna Velagapudi Pittsburgh Berkshire Grey Operating Company 23
#13 Mark Weiman Downingtown Globus Medical 23
#13 Philip Shilane Newtown Emc Ip Holding Company 23
#17 Hongkun Li Malvern Convida Wireless 22
#17 Michael T. Lotze Pittsburgh Iovance Biotherapeutics 22
#19 Chun Lin Yardley Comcast 21
#19 Jui-Yi Tsai Newtown Comcast 21
#21 Ross Gilson Philadelphia Comcast 20
#21 Gregory Altonen Easton Lutron Electronics Co. 20
#23 Daniel Smith Wexford Berkshire Grey Operating Company 19
#23 Jeffrey D. Mullen Pittsburgh Dynamics 19
#23 Shane S. Volpe Saltsburg Zoll Medical 19

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