Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3684: Examiners and Allowance Rates

71 examiners • 13 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 3,142 dispositions): 28% allowance rate
ExaminerAllowance rateResolved casesPending apps
Sun M Li100.0%10
Thomas A Dixon85.3%1290
Nicholas D Rosen83.7%1410
Michelle Therese Kringen78.0%500
Nga B Nguyen74.5%1650
Naeem U Haq72.0%500
Anne Marie Georgalas69.5%590
Benjamin S Fields67.6%1790
Anand R Loharikar65.3%2940
Joshua B Blanchette65.1%6331
Amber Altschul Misiaszek64.1%640
Robert M Pond63.3%3980
Ethan D Civan62.7%3810
Susanna M Meinecke Diaz62.2%1350
Amee A Shah62.2%370
Ashley Dawn Preston57.1%70
Mark A Fadok56.0%910
Reginald R Reyes55.3%11434
Rajesh Khattar54.2%10722
James H Zurita52.8%1760
Katherine A Barlow52.5%400
Elizabeth H Rosen52.2%230
Ming Shui52.0%2770
Norman Donald Sutch Jr.51.9%1810
William E Rankins51.6%310
Maria S.P. Heath50.0%40
Kenneth Bartley49.5%10727
Matthew E Zimmerman48.8%3300
Gerald C Vizvary48.8%820
Anna Mae Mitros46.5%430
Courtney L Stopp45.3%860
Bradley B Bayat41.2%170
Arielle E Weiner40.8%1840
Adam L Levine40.7%540
Brandy A Zukanovich40.0%2250
Brittany E Bargeon39.9%2330
Alexis M Casey39.8%2210
Latasha Devi Ramphal35.9%390
Richard N Scheunemann35.7%420
Rachel L Porter33.8%7723
Thomas J Sullivan33.8%800
Sarah M Monfeldt33.3%330
Leland R Marcus31.7%410
Katherine L O'Sullivan30.8%780
Brittney M Carroll29.9%2240
Ashley Ya-Sheh Young27.9%430
Jamie H Austin26.0%730
Jennifer L Liversedge25.0%240
Deirdre D Hatcher25.0%80
Steven G.S. Sanghera23.5%6849
Stephanie M Ziegle22.7%220
Karen Amanda Hranek21.3%6121
Venay Puri21.1%190
David Choi20.4%4930
Argirenia Zervos16.7%60
Zahra Elkassabgi15.4%260
Nancy N Prasad15.2%460
Benjamin L Hanks13.7%5122
Shahid R Merchant12.5%810
Andrew F Sebroski11.1%180
Zachary T Shuckrow9.1%220
Andrew Eldridge Lee6.2%4821
Hunter J Rasnic5.4%3724
Jason B Dunham2.7%750
Zachary Ryan Donahue0.0%210
Joshua Damian Ruiz0.0%1426
Kambiz Abdi0.0%120
Maria Teresa T Thein0.0%80
Curtis M Hellenbrand0.0%40
Andre Lance Tillman0.0%30
Jeffrey P Zimmerman0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3684?

28.1% over the last five years, across 3,142 resolved applications.

Which examiners in Art Unit 3684 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Thomas A Dixon (85.3%, 129 resolved), Nicholas D Rosen (83.7%, 141 resolved), Michelle Therese Kringen (78.0%, 50 resolved).

Which examiners in Art Unit 3684 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Jason B Dunham (2.7%, 75 resolved), Hunter J Rasnic (5.4%, 37 resolved), Andrew Eldridge Lee (6.2%, 48 resolved).

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