Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1645: Examiners and Allowance Rates

38 examiners • 17 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 4,699 dispositions): 49% allowance rate
ExaminerAllowance rateResolved casesPending apps
Rudolph Edward Sloup IV100.0%20
Meera Natarajan100.0%10
Ruixue Wang100.0%10
Jegatheesan Seharaseyon86.5%1330
Albert Mark Navarro82.0%9410
Rodney P Swartz79.7%9520
Padmavathi Baskar78.1%6880
Nita M Minnifield77.2%6530
Jennifer E Graser76.8%1,05340
Brian J Gangle76.8%96036
Christine J Saoud76.2%25230
Amelia Carole Stephens75.0%829
Daniel E Kolker75.0%81
Lakia J Jackson-Tongue69.0%70120
Sarvamangala Devi65.5%88229
Mary M Lyons65.5%5683
Oluwatosin A Ogunbiyi63.8%93633
Virginia Allen Portner62.5%3310
Khatol S Shahnan Shah62.5%4640
Cheom-Gil Cheong61.0%12326
Bonirath Chhay57.1%720
Bailey Michelle Morgan56.2%3225
Robert A Zeman54.2%79132
Jana A Hines53.2%71434
Patricia Ann Duffy53.0%57239
Pricila Nmn Hauk Teodoro50.0%624
Nina Archie48.4%1610
Amelia Nicole Dickens47.2%12741
Vanessa L Ford44.9%1560
Gary B Nickol18.9%370
Robert B Mondesi0.0%100
Samira Jm Jean-Louis0.0%60
Peter Paras Jr.0.0%30
Amanda Mary Zahorik0.0%10
Kimberly Chong0.0%10
Anne Gussow0.0%10
Michael B Pallay0.0%10
Gregory S Emch0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1645?

49.5% over the last five years, across 4,699 resolved applications.

Which examiners in Art Unit 1645 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Jegatheesan Seharaseyon (86.5%, 133 resolved), Albert Mark Navarro (82.0%, 941 resolved), Rodney P Swartz (79.7%, 952 resolved).

Which examiners in Art Unit 1645 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Gary B Nickol (18.9%, 37 resolved), Vanessa L Ford (44.9%, 156 resolved), Amelia Nicole Dickens (47.2%, 127 resolved).

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