Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pennsylvania ranks #10 among US states for total patents filed all time, with 387,418 patents from 74,527 inventors across 1,484 cities. On a per-capita basis that is 29.8 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Pennsylvania All Time

Rank City Patents Inventors
#1 Pittsburgh, PA 37,313 7,570
#2 Philadelphia, PA 20,714 4,834
#3 West Chester, PA 7,810 1,305
#4 Allentown, PA 6,783 1,150
#5 Bethlehem, PA 6,313 1,038
#6 State College, PA 5,608 1,195
#7 Yardley, PA 5,444 643
#8 Lansdale, PA 5,439 839
#9 Doylestown, PA 5,373 956
#10 Erie, PA 5,185 1,097
#11 York, PA 4,549 933
#12 Lancaster, PA 4,449 963
#13 Collegeville, PA 4,118 630
#14 Newtown, PA 4,034 507
#15 Harrisburg, PA 4,016 635
#16 Easton, PA 3,707 611
#17 Murrysville, PA 3,559 521
#18 Monroeville, PA 3,458 710
#19 Malvern, PA 3,447 529
#20 King of Prussia, PA 3,344 578
#21 Downingtown, PA 3,204 472
#22 Wayne, PA 3,165 493
#23 Fairless Hills, PA 3,067 64
#24 Wexford, PA 3,013 413
#25 Emmaus, PA 2,820 365

Top Inventors in Pennsylvania All Time

Rank Inventor City Company Patents
1 Junyi Li Fairless Hills Qualcomm 2,872
2 Joshua Edwards Philadelphia Capital One Services 681
3 Xiaozhong XU State College Tencent America 485
#4 Ajith Kuttannair Kumar Erie GE 395
#5 Elliot G. Jacoby Glenside Lutron Electronics Co. 388
#6 Thomas E. McClaskie Bethlehem Columbia Insurance 386
#7 Joel S. Spira Coopersburg Lutron Electronics Co. 383
#8 Jason C. Killo Emmaus Lutron Technology Company 343
#9 Gregory Altonen Easton Lutron Electronics Co. 328
#10 Noel Mayo Philadelphia Lutron Electronics Co. 315
#11 Chun Lin Yardley Comcast 297
#12 Mark Weiman Downingtown Globus Medical 253
#13 Matthew Philip McDonald Phoenixville Lutron Technology Company 247
#14 Jeffrey D. Mullen Pittsburgh Dynamics 243
#15 Michael F. Starsinic Newtown Convida Wireless 227
#16 James M. Wilson Philadelphia University of Pennsylvania 226
#17 Wenqing Yao Chadds Ford Incyte 224
#18 Erich F. Haratsch Bethlehem Seagate Technology 222
#19 Dale N. Seed Allentown Convida Wireless 218
#20 William H. Geissele Spring House Whg Properties 213
#21 Robert DiCosimo Chadds Ford E.I. Du Pont De Nemours And 210
#21 Jui-Yi Tsai Newtown Comcast 210
#23 David L. Patton Jefferson Hills Eastman Kodak 207
#24 Thomas E. Kaib Colfax Zoll Medical 206
#25 Prasanna Velagapudi Pittsburgh Berkshire Grey Operating Company 205

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