Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3634: Examiners and Allowance Rates

35 examiners • 14 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 5,097 dispositions): 41% allowance rate • 5.8 office actions per allowance • 1,426 days median pendency
ExaminerAllowance rateResolved casesPending apps
Steven D Yates100.0%40
David E Allred100.0%30
Steven A Tullia100.0%10
Beth A Aubrey100.0%10
Justin S Lee100.0%10
William J Cook100.0%10
David E Martinez88.9%15311
Jerry E Redman80.3%1,5370
Justin B Rephann78.4%97014
Marcus Menezes70.7%91526
Johnnie A Shablack65.5%1,04020
Shiref M Mekhaeil62.5%59828
Blair M Johnson57.5%9030
Colleen Margaret Chavchavadze57.4%84033
Scott T Denion57.4%1830
Patrick Bernas Ponciano56.8%11129
Abe L Massad56.7%77325
Gregory J Strimbu56.5%93527
David M Purol55.9%7030
Matthew Richard Shepherd54.5%20021
Daniel P Cahn53.6%74013
Alvin Constantine Chin-Shue53.3%9290
Jeremy C Ramsey52.6%99032
Catherine A Kelly52.3%5510
John Hanes Jr.47.6%12428
Candace L Bradford45.6%6270
Benjamin Alexander Pezzlo45.5%1135
Poras Pradipkumar Patel41.7%120
Jaime F Cardenas-Garcia35.0%2740
Clarence W Mayott III34.8%230
Jeff Tang31.8%440
Michael J Keller29.0%930
Philip Kwon27.7%830
Katherine W Mitchell9.8%1120
Jacob F Betit0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3634?

40.8% over the last five years, across 5,097 resolved applications.

Which examiners in Art Unit 3634 have the highest allowance rates?

Among examiners with at least 30 resolved applications: David E Martinez (88.9%, 153 resolved), Jerry E Redman (80.3%, 1,537 resolved), Justin B Rephann (78.4%, 970 resolved).

Which examiners in Art Unit 3634 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Katherine W Mitchell (9.8%, 112 resolved), Philip Kwon (27.7%, 83 resolved), Michael J Keller (29.0%, 93 resolved).

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