Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1624: Examiners and Allowance Rates

35 examiners • 13 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 6,105 dispositions): 55% allowance rate • 4.6 office actions per allowance • 1,287 days median pendency
ExaminerAllowance rateResolved casesPending apps
Dominic Lazaro100.0%10
Allen Chao100.0%10
Sikarl A Witherspoon100.0%10
Kristin Ann Vajda100.0%10
Kahsay Habte84.9%1,64127
Erich A Leeser83.7%4980
Douglas M Willis82.4%1,82139
Bruck Kifle81.0%1,24340
Ebenezer O Sackey78.8%9120
Alexander R Pagano78.3%5580
Paul V Ward78.2%1,1690
Jeffrey H Murray78.1%8050
Kevin Stephen Martin77.2%15834
Oluwafemi L Masha76.3%590
Deepak R Rao76.2%1,5150
Laura M Daniel75.2%2980
Brenda Libby Coleman74.9%1,64743
Venkataraman Balasubramanian74.3%1,5400
Brian E Mcdowell74.0%1,13941
Grace Ching Hsu73.5%490
Cecilia M Jaisle73.1%4380
Noble E Jarrell70.5%2170
Emily A Bernhardt69.5%1,1700
Kristen Wang Romero69.2%5231
Rilla Marie Samsell69.1%9421
Madeline E Braun68.4%15235
Susanna Moore68.0%1,26855
Daniel John Burkett63.4%10141
Luisalberto Gonzalez59.7%15954
Mark L Berch55.9%3060
Luke Alan Boralsky50.0%433
Tamthom Ngo Truong49.6%1170
Mark Lance Shibuya10.3%390
James O Wilson3.7%270
Isaac Shomer0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1624?

54.6% over the last five years, across 6,105 resolved applications.

Which examiners in Art Unit 1624 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Kahsay Habte (84.9%, 1,641 resolved), Erich A Leeser (83.7%, 498 resolved), Douglas M Willis (82.4%, 1,821 resolved).

Which examiners in Art Unit 1624 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Mark Lance Shibuya (10.3%, 39 resolved), Tamthom Ngo Truong (49.6%, 117 resolved), Mark L Berch (55.9%, 306 resolved).

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