Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1613: Examiners and Allowance Rates

26 examiners • 16 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 5,553 dispositions): 34% allowance rate • 4.6 office actions per allowance • 950 days median pendency
ExaminerAllowance rateResolved casesPending apps
Kevin E Weddington100.0%10
Blessing M Fubara66.0%1,17833
Mark V Stevens65.4%87439
Sin J Lee61.3%40137
Kyung Sook Chang60.4%80653
Arya Ahmadi Bazargani60.0%533
Jianfeng Song56.4%86953
Andrew S Rosenthal51.9%67133
Alparslan Nmn Asan50.8%1300
Ernst V Arnold50.7%1,25557
Kauser M Akhoon45.2%420
Doan Thi-Thuc Phan42.8%65648
Miriam A Levin38.4%2420
Jennifer A Berrios37.8%80041
Gigi Georgiana Huang37.3%19330
Danielle A Kim36.6%10154
Sean M Basquill35.9%8030
Hong Yu30.6%3200
Christopher Raymond Lea29.5%1050
Lyndsey Marie Beckhardt28.3%54558
Katherine L Siller27.3%110
Amy A Lewis25.0%40
Sara Elizabeth Townsley20.8%720
Chasity Paige Janosko15.9%4440
Yong Sok Kwon15.7%5115
Amanda Lynn Chi—029

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1613?

34.0% over the last five years, across 5,553 resolved applications.

Which examiners in Art Unit 1613 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Blessing M Fubara (66.0%, 1,178 resolved), Mark V Stevens (65.4%, 874 resolved), Sin J Lee (61.3%, 401 resolved).

Which examiners in Art Unit 1613 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Yong Sok Kwon (15.7%, 51 resolved), Chasity Paige Janosko (15.9%, 44 resolved), Sara Elizabeth Townsley (20.8%, 72 resolved).

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