Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1794: Examiners and Allowance Rates

170 examiners • 16 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 3,850 dispositions): 60% allowance rate
ExaminerAllowance rateResolved casesPending apps
Daniel R Zirker100.0%20
Seung Ho Choi100.0%10
Duy Vu Nguyen Deo100.0%10
Keith D Hendricks100.0%10
Alexander Rene Parent100.0%10
James M Mellott100.0%10
Fred M Teskin100.0%10
Michael Eugene La Villa100.0%10
David R Sample100.0%10
Donald Lawrence Tarazano100.0%10
Adrien J Bernard100.0%10
Timon Wanga92.6%270
Zulmariam Mendez83.2%51237
Jason Berman81.7%47113
Wojciech Haske80.2%25323
Bryan D Ripa79.8%10428
Timothy M Speer79.1%910
Rodney Glenn Mcdonald75.3%59531
Nicholas A Smith73.9%2910
Marie Rose Yamnitzky72.0%1180
Hoa T Le72.0%1430
Harry D Wilkins III69.7%43627
Newton O Edwards69.4%620
Ling X Xu69.3%1010
Ramsey E Zacharia68.4%570
Patrick S Ott68.0%24125
Leszek B Kiliman67.9%1340
Camie S Thompson67.8%1210
Hosung Charles Chung66.9%33521
Colleen M Raphael66.7%1500
Brian W Cohen66.3%1750
Thao T Tran66.0%1000
John Joseph Brayton65.8%29524
Ciel P Contreras65.6%45439
Archene A Turner65.6%900
Sheeba Ahmed64.5%1240
Bruce H Hess64.5%1210
Nathanael Jason Downes62.9%3518
Gordon Baldwin62.2%740
Lynda Salvatore62.0%1420
Anthony J Weier61.1%1130
Vivian Chen60.2%880
Holly C Rickman60.2%930
Cathy Fong Fong Lam59.4%1060
Michael A Band58.1%35834
Sow Fun Hon58.1%1240
Dawn L Garrett57.0%1350
Gary D Harris56.9%720
Gwendolyn Blackwell56.5%460
Nicole T Gugliotta56.5%460
Vivian Ailinh Tran55.7%20318
Louis V Falasco55.0%600
Arti R Singh-Pandey54.6%970
Helen F Heggestad54.1%980
Aaron Austin54.0%870
Norca Liz Torres Velazquez52.8%1250
Vera Katz52.0%500
Alexander S Thomas52.0%1270
David J Joy51.1%470
Michael C Miggins50.6%890
Carolyn A Paden49.5%1010
Leslie A Wong48.8%1230
Jenna Leigh Johnson47.5%610
Kevin Sylvester47.5%4026
Dhirajlal S Nakarani47.0%830
William P Watkins III46.2%910
Betelhem Shewareged46.0%1130
Sommer Yousef Osman44.7%3813
John J Zimmerman44.6%1120
Jason L Savage44.4%900
Ula Corinna Tavares-Crockett44.4%720
Lawrence D Ferguson44.4%720
Patricia L Nordmeyer44.0%1000
Lauren Robinson Colgan43.2%740
Donald J Loney41.8%980
Hai Vo40.5%1530
Drew E Becker40.2%820
Catherine A Simone37.5%960
Jonathan C Langman37.5%640
Elizabeth Evans Mulvaney37.0%1350
Michael H Wilson36.9%840
Jennifer A Boyd36.2%1050
Monique R Jackson35.1%1140
Jill M Gray34.7%750
Chhaya D Sayala33.7%980
April C Inyard33.3%150
Nathan Comstock33.3%120
Michael E Nelson33.3%90
Ronald A Quinlan33.3%30
Rena Dye Cronin33.3%30
Patricia Ann George32.7%490
John Lee31.7%4125
Brent T O'Hern31.2%1090
Lisa N Chau30.8%260
Daniel H Miller30.4%690
Brent T O Hern28.6%70
Victor S Chang26.9%1340
Walter Aughenbaugh25.3%830
Hong Thi Yoo25.0%240
Abelline Katusiime Fionah25.0%40
Kelly Jo Bekker25.0%40
Adam C Krupicka24.3%370
Brett Alan Crouse24.2%620
Matthew D Matzek23.8%840
Cheryl Ann Juska23.2%1250
Andrew T Piziali23.0%870
Tamra Dicus21.4%420
Lien Thuy Tran21.3%750
Preston Smith20.0%300
Arthur L Corbin20.0%200
Jeffrey A Vonch20.0%50
Dominique A Womack19.0%210
Elizabeth A Robinson18.4%490
Frank D Ducheneaux16.7%180
Linda N Chau15.8%380
Gerard T Higgins15.5%1030
Altrev C Sykes15.4%390
Alicia Ann Chevalier14.8%540
Marc A Patterson13.9%720
Gregory D Clark13.9%360
Jyoti Chawla13.3%450
Chaim A Smith12.8%390
Katherine Deguire Leblanc12.5%80
Nicole K Harrison12.5%80
Prashant J Khatri12.3%650
Anish P Desai11.5%780
Jenna A Watts11.5%260
Ellen Suzanne Hock11.5%610
Erik Kashnikow11.1%630
Michele Lynn Jacobson10.6%660
Kevin R Kruer10.2%590
James C Yager10.0%600
John D Freeman9.8%510
Sathavaram I Reddy9.1%220
Peter Y Choi8.1%620
Elizabeth Mary Cole Imani7.9%1010
Jennifer A Steele7.2%830
James Lin7.1%280
Jerry W Anderson6.1%330
Nikki H Dees5.3%750
Andrew E Krause4.8%420
Walter A Moore4.8%210
Hamid R Badr2.9%680
Viren A Thakur1.9%540
Steven L Weinstein1.0%1040
Vera Stulii0.0%530
Felicia C Turner0.0%250
Nicholas C Kokkinos0.0%170
Dalila Toussaint0.0%130
Cheng Yuan Huang0.0%100
Ibrahime A Abraham0.0%100
Luana Zhang Long0.0%90
Michael B Nelson0.0%80
Bhaskar Mukhopadhyay0.0%70
Ronak C Patel0.0%60
Saeeda Monee Latham0.0%60
Joseph M.J. Hanrahan0.0%50
Lela Samantha Davis0.0%40
Ricardo E. Lopez0.0%40
Andrew K Bohaty0.0%40
Jay Lee Yang0.0%40
Tynesha L. Mcclain0.0%40
Armando P Ramirez0.0%40
Elizabeth A Gwartney0.0%40
Samir Shah0.0%40
Susan K Caldwell0.0%30
Sandeep Mukkamala0.0%10
Pamela R Schwartz0.0%10
Steven N Leff0.0%10
Justin P Wolf0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1794?

59.5% over the last five years, across 3,850 resolved applications.

Which examiners in Art Unit 1794 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Zulmariam Mendez (83.2%, 512 resolved), Jason Berman (81.7%, 471 resolved), Wojciech Haske (80.2%, 253 resolved).

Which examiners in Art Unit 1794 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Vera Stulii (0.0%, 53 resolved), Steven L Weinstein (1.0%, 104 resolved), Viren A Thakur (1.9%, 54 resolved).

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