Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1796: Examiners and Allowance Rates

183 examiners • 11 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 2,695 dispositions): 56% allowance rate • 3.6 office actions per allowance • 1,221 days median pendency
ExaminerAllowance rateResolved casesPending apps
Lyle Alexander100.0%20
Kevin Joyner100.0%10
Benjamin A Schiffman100.0%10
Jacqueline Brazin100.0%10
Michael L Hobbs100.0%10
Sarah A Slifka96.9%320
Jelitza M Perez91.7%240
Timothy J Kugel91.0%780
Noah S Wiese89.1%1280
Terressa M Boykin88.4%2920
Jeremy R Severson88.2%340
Sonya N Wright87.5%560
Jessee Randall Roe87.0%1230
Fred M Teskin86.9%1830
Brittany I Fisher86.3%18325
Peter A Salamon86.1%360
Anca Eoff85.1%670
Ling Siu Choi84.2%1580
Bernard Lipman83.2%1310
Tony Glen Soohoo82.9%350
Edward J Cain82.5%2230
Emily R Berkeley82.1%14519
Brian J Sines82.0%26634
Arti R Singh-Pandey81.8%660
Richard M Rump81.7%930
Roberto Rabago80.9%1150
David C Mellon80.2%860
Gerard T Higgins78.9%570
Paul Sang Hwa Hyun78.9%21342
Christopher D Rodee78.9%1230
Henry S Hu78.8%1600
Duc Truong78.7%1690
Sean Everett Conley78.7%890
C Caixia Lu78.6%1120
Gurpreet Kaur76.2%210
Robert D Harlan76.0%2170
Michael P Shimek75.6%410
Sanza L Mcclendon75.1%1850
Mark T Kopec74.4%1330
Douglas J Mc Ginty74.1%1350
William P Fletcher III74.1%810
Andrew K Bohaty72.4%580
Tingchen Shi71.4%14016
John J Figueroa71.4%1120
Jaison P Thomas71.1%830
Robert S Loewe71.0%1930
Kriellion Antionette Sanders70.8%1920
Alex A Rolland70.7%580
Lydia E Edwards70.7%20822
Eisa B Elhilo70.4%1890
Brian P Mruk69.9%1760
Harry D Wilkins III69.7%890
Susan W Berman69.4%1860
Hui H Chin69.3%1660
Rip A Lee69.2%1560
Atnaf S Admasu68.2%850
Shane Fang67.4%860
Marc S Zimmer67.0%1910
Peter A Szekely66.7%2160
Jun Li66.7%750
Vu Anh Nguyen66.1%1860
Frances Tischler66.1%1120
Scott R Walshon65.0%400
Kuo Liang Peng64.8%710
Ana Lucrecia Woodward64.0%1360
Charles I Boyer63.6%1430
Michael J Feely63.3%1800
Eli S Mekhlin63.2%760
Matthew D Krcha63.1%22548
Kelechi Chidi Egwim62.7%1260
Lindsay Ann Nelson62.1%290
Robert S Walters Jr.61.8%1020
Helen Lee Pezzuto61.5%1170
Jean C Caraballo-Leon61.5%650
Nathan M Nutter61.4%2280
William K Cheung61.3%2220
Jennifer A Steele60.7%610
Chun Cheng Wang60.6%1040
Joseph David Anthony60.3%1260
Gregory E Webb60.1%1380
Monique R Peets60.0%500
Necholus Ogden Jr.59.6%1610
Sophia Yuan Lyle58.2%15329
Pamela Hl Weiss57.8%900
Michael Bernshteyn57.6%1650
Satya B Sastri57.3%820
Aiqun Li57.1%420
Nicole R Blan56.5%460
Margaret G Moore55.7%1760
David J Buttner55.6%1530
Khanh Tuan Nguyen55.5%1190
Elizabeth A Robinson52.9%340
Eugenia Wang52.8%530
Tri V Nguyen52.6%950
Robert E Sellers52.3%1740
Jonathan Everett Lepage51.9%540
Robert Stockton Jones Jr.51.4%700
Katarzyna I Kolb51.4%350
Austin Q Le51.3%15434
Marie L Reddick51.2%430
John R Hardee50.3%1630
Tae H Yoon50.0%1920
John M Maksymonko50.0%40
Olatunde S Ojurongbe50.0%20
Changru Chen48.6%10925
Jeffrey C Mullis47.6%1430
Nicole M Buie-Hatcher47.5%990
Michael L Leonard46.3%670
Jeffrey S Lenihan45.3%640
Peter D Mulcahy45.1%1530
Ryan Joseph Dowty45.0%200
Daniel S Metzmaier43.7%1260
Jane L Stanley43.5%850
Amina S Khan43.0%1650
Angela C Scott42.7%820
Gregory R Delcotto42.4%1580
Liam J Heincer42.2%1870
Alicia Bland41.2%680
Robert C Boyle39.8%830
Kyle Baumstein38.6%570
Mohammadreza Asdjodi38.1%840
Tanisha Diggs37.5%320
Elizabeth Eng37.5%240
Lorna M Douyon37.0%1190
Anthony H Sheh36.6%410
Irina Sophia Zemel36.5%1370
Bijan Ahvazi36.4%1180
Saira Bano Haider36.2%800
Noah S Frank35.9%1170
Rachel Kahn35.4%480
Haidung D Nguyen35.4%650
Brieann R Johnston35.2%540
Irina Krylova34.5%550
Patrick Dennis Niland34.5%1450
Vickey M Nerangis34.4%1540
Mark Eashoo33.3%300
David Thomas Karst33.3%210
Olga Asinovsky33.3%60
Michael M Dollinger32.9%790
Jessica Marie Roswell32.7%550
Gregory Listvoyb32.3%1240
Christopher R Harmon31.9%470
Michael F Pepitone30.8%1300
Karuna P Reddy30.4%1120
Katie L Hammer30.2%530
John M Cooney29.6%1080
Mark S Kaucher29.6%540
Timothy S Chiang29.5%440
Aaron J Greso28.8%730
Jessica I Treidl28.6%70
Jae J Kwak28.6%70
Hannah J Pak28.3%990
John E Uselding28.0%1000
Gennadiy Mesh27.7%1120
Peter F Godenschwager27.3%880
Elizabeth A Gwartney25.0%560
Richard A Huhn24.6%610
Doris L Lee24.5%980
Megan Cassandra Mcculley24.4%860
Benjamin Gillespie23.5%850
Kara Brady Boyle22.7%440
Rabon A Sergent21.6%1020
Sarira Camilla Pourbohloul21.1%190
Melissa A Rioja17.3%520
Alexander C Kollias15.6%1090
Darcy Danielle Laclair Lynx13.2%530
Deve V. Hall13.0%230
Thuy-Ai N Nguyen7.3%410
Michael A Salvitti5.6%360
Preeti Kumar5.3%380
James W Taylor II0.0%140
Alvin Collins0.0%60
James J Seidleck0.0%50
Donald Lawrence Tarazano0.0%40
Milton I Cano0.0%40
Randy P Gulakowski0.0%30
Vasudevan Salem Jagannathan0.0%20
Elizabeth Jane Reagan0.0%20
Ryan M Harrington0.0%20
Srilakshmi K Kumar0.0%10
Emily Fay Eix0.0%10
Michael B Cleveland0.0%10
Michael A Marcheschi—011

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1796?

55.6% over the last five years, across 2,695 resolved applications.

Which examiners in Art Unit 1796 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Sarah A Slifka (96.9%, 32 resolved), Timothy J Kugel (91.0%, 78 resolved), Noah S Wiese (89.1%, 128 resolved).

Which examiners in Art Unit 1796 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Preeti Kumar (5.3%, 38 resolved), Michael A Salvitti (5.6%, 36 resolved), Thuy-Ai N Nguyen (7.3%, 41 resolved).

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