Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3669: Examiners and Allowance Rates

77 examiners • 25 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 5,303 dispositions): 59% allowance rate • 6.8 office actions per allowance • 1,379 days median pendency
ExaminerAllowance rateResolved casesPending apps
Calvin K Cheung100.0%218
Michael Tyler Evan Dowling100.0%610
Wilton E Liano100.0%40
Nicholas A Mahon100.0%40
Sharon M Carlson100.0%30
Helal A Algahaim100.0%30
Tara E Schimpf100.0%20
Ernesto A Suarez100.0%20
Akram Manshalin100.0%20
Ryan Shi Leong100.0%10
Jason Khalil Hawkins100.0%10
Richard R Green100.0%10
Emily J Senn100.0%10
Eric Anthony Starck100.0%10
Richard A Goldman100.0%10
Anne Marie Antonucci100.0%10
Rami Rafat Okasha100.0%10
Abdhesh K Jha94.6%560
Brodie J Follman94.0%6711
Mussa A Shaawat93.4%18212
Michael V Kerrigan91.0%2550
Hussein A El Chanti87.8%24617
David Mesquiti Ovalle Jr.85.0%209
Todd M Melton84.7%5826
Anshul Sood84.0%2750
Alan D Hutchinson83.5%3409
Nadeem N Odeh83.2%1960
Truc M Do81.6%3580
Nicholas Kiswanto80.3%760
Vincent Feng79.7%690
Adam R Mott79.3%1790
James M Mcpherson79.3%2370
Andrew J Schneider78.0%910
Nicholas K Wiltey77.9%2630
Rami Khatib77.8%62732
John Chiang Merino76.9%396
Erin M Piateski76.9%136
Gerrad A Foster75.7%1890
Navid Z Mehdizadeh75.2%3953
Kenneth Michael Dunne74.9%19920
Matthew Ho74.3%14019
Jason R Roberson73.8%38519
Oliver E Tan72.6%12435
Shahira Baajour71.3%1010
Nicholas Karl Morgan70.0%100
Jess G Whittington69.2%4930
Ashley Tiffany Schoech68.6%5128
David P Merlino68.4%3540
Jean Paul Cass68.0%4620
Brian Keith Palmarchuk67.9%2819
Sean P Quinn67.9%280
Hajar Hassaniardekani66.7%2712
Seyyed Musta Sahafeyan66.7%90
Brian E Yang66.3%920
Jeffrey C Boomer65.4%2050
Gabriel Joseph Rene Lambert64.2%13721
Shelley Marie Osterhout64.2%8118
Sarah Alexandra Mueller62.1%9519
Jared C Bean60.3%6818
Caitlin Renee Mccleary59.4%13330
Tiffany Kelly Luu57.1%350
Rami Nabih Bedewi57.1%350
Eisen Dongkyu Yim56.2%320
Thomas E Worden55.4%2040
Micah Chuen-Him Cheng54.8%420
Divya Ayan Patel50.0%20
Daniel Lawson Greene50.0%20
Terry C Buse45.9%1090
Paul Mccarthy Allen44.3%19419
Annmarie Dressler32.3%310
John Olszewski13.3%300
Kimberly Sue Berona5.9%170
Docket Tc 36000.0%10
Zane Dargis Phillips0.0%10
Charles A Guiliano0.0%10
Tan Quang Nguyen0.0%10
Tiffany P Young0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3669?

59.0% over the last five years, across 5,303 resolved applications.

Which examiners in Art Unit 3669 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Abdhesh K Jha (94.6%, 56 resolved), Brodie J Follman (94.0%, 67 resolved), Mussa A Shaawat (93.4%, 182 resolved).

Which examiners in Art Unit 3669 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: John Olszewski (13.3%, 30 resolved), Annmarie Dressler (32.3%, 31 resolved), Paul Mccarthy Allen (44.3%, 194 resolved).

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