Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3645: Examiners and Allowance Rates

90 examiners • 39 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 6,893 dispositions): 67% allowance rate • 5.0 office actions per allowance • 1,202 days median pendency
ExaminerAllowance rateResolved casesPending apps
Woohyeong Cho100.0%110
Helal A Algahaim100.0%34
Kimberly Jasmin Ramsarup100.0%20
Tung S Lau100.0%10
John Alexander Tweel Jr.100.0%10
Erin Lynn Snelting100.0%10
Jarreas C Underwood100.0%10
Euncha P Cherry100.0%10
Karl Duc Truong100.0%10
Rufus L Phillips100.0%10
Ricky Go100.0%10
Rodney Allen Butler100.0%10
Michael W Carter100.0%10
Shardul D Patel100.0%10
Robert R Raevis100.0%10
Steven M Marsh100.0%10
Dominic E Hawkins100.0%10
Brad Allan Knudson100.0%10
Daniel Calrissian Puentes100.0%10
Delma Rosa Forde100.0%10
Dhaval V Patel100.0%10
Harry K Liu98.6%1420
Mark Hellner91.1%1,23929
Olumide Ajibade Akonai90.2%920
Eric L Bolda88.3%7830
Luke D Ratcliffe88.2%1,42028
Daniel T Pihulic87.7%7403
Fred H Mull87.7%810
James Wilburn Napier87.5%812
Samantha K Nickerson85.5%60611
Amir J Askarian84.8%1510
Bongani Jabulani Mashele83.6%550
Krystine E Breier82.4%42611
Daniel L Murphy81.9%1,1380
Helena H Seraydaryan81.1%370
Justin M Benedik80.0%1050
Jonathan L Malikasim80.0%1030
Robert W Hodge80.0%50
Benjamin Richard Hebert79.8%890
Amie Mercedes N'Dure78.2%54726
Ian J Lobo77.5%8310
Hovhannes Baghdasaryan77.3%1,01453
Antoine J Bedard76.9%130
Joseph C Fritchman76.5%20026
James R Hulka76.2%97030
Ari M Diacou75.5%1020
Sanjida Iffat Naser73.9%1116
Christopher Richard Walker73.0%14820
Ebony E Evans71.1%1590
Abdallah Abulaban71.0%22129
Valentina Xavier70.5%1320
Clint A Thatcher69.0%4216
Zhengqing J Qi68.0%12525
Assres H Woldemaryam67.8%590
Jempson Noel66.9%16927
Michael A Fabula66.2%740
Brandon James Henson63.8%690
Vladimir Magloire60.0%50
Brian D Zawacki58.3%120
Evan Harrison Haut57.1%725
Jonathan D Armstrong55.3%45636
Clara Grace Chilton52.5%8025
Chia-Ling Chen52.5%4023
Benjamin Wade Clouser51.6%3124
Kara Marie Richter50.0%280
Andrea Maria Baca50.0%120
Vicente M Rodriguez48.6%350
Vikas Nmn Atmakuri46.9%16026
Isabelle Lin Boegholm46.2%260
Yuqing Xiao44.4%9024
Isam A Alsomiri37.5%565
Sean Campbell Grant36.4%110
John T Nolan33.3%150
Amanda Joanne Webster26.1%230
Rachel Nicole Nguyen25.5%4736
Robert William Vasquez Jr.9.5%2134
Benjamin David Wigger0.0%524
Zaki Kehinde Hawkins0.0%314
Bria Lorraine Andrews0.0%10
Aviraj Dongsook Singh0.0%119
Sean Hwang0.0%10
Journey F Sumlar0.0%10
Kara Richter—033
Michael Alex Decaria—012
John Cesare Tridico—010
Kevin Christopher Nathan—07
Joseph Natanael Zeron Cerrato—07
Khalil Ali Ahmad—05
Dorian Eyre Baldwin-Bott—04
Christopher Sean Maxie—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3645?

67.5% over the last five years, across 6,893 resolved applications.

Which examiners in Art Unit 3645 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Harry K Liu (98.6%, 142 resolved), Mark Hellner (91.1%, 1,239 resolved), Olumide Ajibade Akonai (90.2%, 92 resolved).

Which examiners in Art Unit 3645 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Rachel Nicole Nguyen (25.5%, 47 resolved), Isam A Alsomiri (37.5%, 56 resolved), Yuqing Xiao (44.4%, 90 resolved).

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