Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Greenwich, CT ranks #2,093 worldwide for total patents filed in 2021, with 63 patents from 35 inventors. Leading employers of inventors based in Greenwich, CT include IBM, Yale University, Regeneron Pharmaceuticals. That works out to 4.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–35 of 35 inventors

Rank Inventor Primary Company Patents
1 Larisa Shwartz IBM 5
2 Laura E. Niklason Yale University 4
2 Ankit Vartak Regeneron Pharmaceuticals 4
2 Sandeep Malhotra Mastercard 4
#5 Peter Stern Time Warner Cable 3
#5 John N. Irwin, III Lumen Devices, Llc. 3
#7 Seth Harris Groupon 2
#7 Leeam Lowin Seraya Medical Systems 2
#7 Helen Ix FitzPatrick Avenue Mobility 2
#7 John Pacifico Abyrx 2
#7 Russell Warren Biomet Manufacturing 2
#7 John Stauffer Accenture Global Services Limited 2
#7 Johanna Hansen Regeneron Pharmaceuticals 2
#7 Frederick Y. Wu IBM 2
#7 Robert Engel IBM 2
#7 Duncan McCall Placeiq 2
#7 Peter John Gould Qinetiq Limited 2
#18 Liwen Yaacoby 1
#18 Christopher Ohl 1
#18 Alexander Sergeevich Kosyakov 1
#18 Jeffrey Lederer Broder Bros. 1
#18 Meshraj Khatiwada JPMorgan Chase 1
#18 Eric Jaffe Sears Brands, L.L.C. 1
#18 Nicole M. Richards Cytec Technology 1
#18 Justin Bologna Westrock Shared Services 1
#18 Geri W. Roper Avenue Mobility 1
#18 Kaitlin Triano Mastercard 1
#18 Arlo Christopher Gilbert Iii Holdings 12 1
#18 Cristobel Kay von Walstrom Mastercard 1
#18 S. Robert Levine Ttn Holdings 1
#18 Eli Yaacoby 1
#18 Christopher Tice Peifer Hopgrade 1
#18 Willaredt Hardy The Boeing 1
#18 Jonathan Shapiro RTX (Raytheon) 1
#18 Aleem Mawji 1

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