Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pennsylvania ranks #11 among US states for total patents filed in 2019, with 14,043 patents from 7,891 inventors across 699 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 2019

Rank City Patents Inventors
#1 Pittsburgh, PA 1,566 942
#2 Philadelphia, PA 956 537
#3 West Chester, PA 285 171
#4 State College, PA 258 149
#5 Bethlehem, PA 231 116
#6 Yardley, PA 209 91
#7 Doylestown, PA 206 118
#8 Allentown, PA 205 100
#9 Erie, PA 176 113
#10 Malvern, PA 173 84
#11 Downingtown, PA 172 78
#12 York, PA 171 103
#13 Collegeville, PA 170 109
#14 Newtown, PA 166 66
#15 Easton, PA 156 82
#16 Lansdale, PA 138 77
#17 Wayne, PA 138 68
#18 Lancaster, PA 138 87
#19 Wexford, PA 137 87
#20 Phoenixville, PA 134 56
#21 King of Prussia, PA 133 77
#22 Fairless Hills, PA 115 3
#23 Emmaus, PA 113 38
#24 New Hope, PA 105 36
#25 Exton, PA 101 61

Top Inventors in Pennsylvania 2019

Rank Inventor City Company Patents
1 Junyi Li Fairless Hills Qualcomm 113
2 Joshua Edwards Philadelphia Capital One Services 88
3 Mark Waldman New Hope Global Trademarks 36
#4 William H. Geissele Spring House Whg Properties 35
#5 Jason C. Killo Emmaus Lutron Technology Company 32
#5 Xiaozhong XU State College Tencent America 32
#7 Dale N. Seed Allentown Convida Wireless 29
#8 Thomas E. Kaib Colfax Zoll Medical 25
#9 Matthew Philip McDonald Phoenixville Lutron Technology Company 24
#10 Erich F. Haratsch Bethlehem Seagate Technology 22
#11 Gerald William Duffy, Jr. Philadelphia Strong Force Iot Portfolio 2016 21
#11 Jeffrey P. McGuckin Philadelphia Strong Force Iot Portfolio 2016 21
#13 Erica L. Clymer Northampton Lutron Electronics Co. 20
#13 Philip Shilane Newtown Emc Ip Holding Company 20
#15 Chun Lin Yardley Comcast 19
#16 Michael F. Starsinic Newtown Convida Wireless 18
#16 Chris Dimberg Easton Lutron Technology Company 18
#18 Wesley Edward Schwie Yeadon Drivent 17
#18 Matthew A. Bowman Palmer Victaulic 17
#18 Shane S. Volpe Saltsburg Zoll Medical 17
#18 Brad Michael Kreschollek Bethlehem Lutron Technology Company 17
#18 Mark Weiman Downingtown Globus Medical 17
#23 Daniel L. Twaddell Allentown Lutron Technology Company 16
#23 Michael John Phillips Camp Hill Te Connectivity Co. 16
#25 Michael DiCanzio West Chester Turn 5 15

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