Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1752: Examiners and Allowance Rates

22 examiners • 15 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 1,144 dispositions): 77% allowance rate • 4.5 office actions per allowance • 1,300 days median pendency
ExaminerAllowance rateResolved casesPending apps
Sin J Lee100.0%20
Ryan Patrick Murphy100.0%221
Geraldina Visconti100.0%10
Michael Robert Worden100.0%10
Raymond Alejandro95.0%24111
Olatunji A Godo88.6%29821
John Samuel Medley87.5%400
Osei K Amponsah86.8%11439
Ziheng Nmn Lu84.3%7019
Stephen J Yanchuk83.9%6213
Nicholas A Smith83.3%549
Kevin Nmn Nguyen82.8%5832
Oi K Conley76.8%16425
Zackary Richard Cochenour75.4%6913
Benjamin Eli Kass-Mullet71.4%2839
Amanda R Rosenbaum58.9%10734
Pamela Hl Weiss53.8%130
Hoa Van Le50.0%20
Seamus Patrick Mcnulty44.2%4336
John S Y Chu0.0%10
Joshua Page Bistany-Riebman—021
Gelena Bazelyan Sobolewski—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1752?

77.2% over the last five years, across 1,144 resolved applications.

Which examiners in Art Unit 1752 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Raymond Alejandro (95.0%, 241 resolved), Olatunji A Godo (88.6%, 298 resolved), John Samuel Medley (87.5%, 40 resolved).

Which examiners in Art Unit 1752 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Seamus Patrick Mcnulty (44.2%, 43 resolved), Amanda R Rosenbaum (58.9%, 107 resolved), Zackary Richard Cochenour (75.4%, 69 resolved).

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