Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3694: Examiners and Allowance Rates

53 examiners • 16 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 3,695 dispositions): 43% allowance rate • 3.3 office actions per allowance • 784 days median pendency
ExaminerAllowance rateResolved casesPending apps
Thaddeus J Plecha100.0%10
Christine M Tran100.0%11
Clifford B Madamba100.0%10
James P Trammell87.5%80
Mary Da Zhi Wang Cheung74.2%1240
Scott C Anderson68.7%62647
Tien C Nguyen68.0%66619
Xavier M Bennett67.7%310
I Jung Liu64.7%680
Gregory S Cunningham II64.5%25621
Ella Colbert64.2%2290
Elizabeth H Rosen60.0%350
William E Rankins59.5%70221
Bhavin D Shah59.2%9818
Abdul Basit57.4%680
Scott S Trotter56.3%1510
John H Holly55.8%1900
John A Anderson55.4%740
George N Proios55.0%18914
Marla Lavette Hudson54.9%12217
Bolko M Hamerski54.3%1290
Sarah M Monfeldt53.6%280
Mohammad Z Shaikh53.2%52124
Behrang Badii52.2%690
Brian E Fertig50.0%460
Kirsten Sachwitz Apple49.3%2720
Hai Tran48.3%3020
Chikaodinaka Ojiaku47.7%1300
Michael W Anderson46.3%1770
Shahid R Merchant44.3%610
Daniel Lawson Greene44.0%500
James H Miller44.0%19129
Elda G Milef41.9%49625
Yong S Park41.1%5628
Sanjeev Malhotra40.7%540
Raven E Yono38.9%18520
Barbara J Amelunxen38.8%850
Jamie H Austin38.5%260
Joan T Goodbody33.7%950
Michael J Warden33.0%9715
Dario Bianco29.2%480
Stephanie M Ziegle27.1%1290
Michael D Cranford22.7%2110
Bennett M Sigmond21.1%381
Mary M Gregg16.8%3160
Abdulmajeed Aziz15.4%390
Christine Johnson10.8%370
Leonard Raykinsteen7.7%130
Kambiz Abdi0.0%620
Matthew Cobb0.0%40
Gregory A Pollock0.0%20
Leland R Marcus0.0%10
Ryan D Donlon—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3694?

42.9% over the last five years, across 3,695 resolved applications.

Which examiners in Art Unit 3694 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Mary Da Zhi Wang Cheung (74.2%, 124 resolved), Scott C Anderson (68.7%, 626 resolved), Tien C Nguyen (68.0%, 666 resolved).

Which examiners in Art Unit 3694 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Kambiz Abdi (0.0%, 62 resolved), Christine Johnson (10.8%, 37 resolved), Abdulmajeed Aziz (15.4%, 39 resolved).

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