Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1612: Examiners and Allowance Rates

48 examiners • 18 with pending office actions • Biotechnology & Pharmaceuticals (Tech Center 1600)

Art unit baseline (last 5 years, 5,970 dispositions): 41% allowance rate • 3.9 office actions per allowance • 1,190 days median pendency
ExaminerAllowance rateResolved casesPending apps
Eric Parker Mosher100.0%234
Thuy X Le100.0%10
Noble E Jarrell100.0%10
Hanna Marie Thueson100.0%10
Carlos A Azpuru100.0%10
Kaijiang Zhang100.0%10
Xue H Liu100.0%10
Brian J Davis86.7%4970
Sahana S Kaup68.0%254
Benjamin J Packard66.9%1,35141
Isaac Shomer63.2%1,19752
Celeste A Roney63.0%77536
Nannette Holloman60.8%79827
Lucy Minyu Tien59.1%8833
Michael P Cohen58.8%86037
Snigdha Maewall58.8%1,07231
Amanda Michelle Petritsch56.6%9934
Ashlee Elizabeth Wertz54.7%5347
Tracy Liu54.3%5400
Barbara P Badio53.3%750
Abdulrahman Mustafa Abbas52.4%6337
Toriana Nichole Vigil52.2%6743
Bryan James Rego51.9%270
Joshua Alexander Atkinson51.8%8338
Lezah Roberts48.6%77743
Brian M Gulledge47.4%6830
Amanda E Boswell46.4%690
Walter E Webb46.3%1,00444
Dennis J Parad39.7%3630
Sabiha Naim Qazi35.0%1230
Gollamudi S Kishore32.7%1,0170
Hong Yu27.4%2660
Colman Thomas Welles26.9%2637
Adam C Milligan22.0%4820
Zohreh Alemzadeh Fay21.9%960
Chris E Simmons16.8%1310
Ryan C Smith16.7%60
Marcos L Sznaidman14.2%1270
Sean M Basquill12.8%860
Gigi Georgiana Huang11.9%670
Sara Elizabeth Townsley10.9%460
Frederick F Krass7.1%850
Darryl C Sutton6.4%1730
Sriram Kasturi0.0%50
June Marie Rogers0.0%30
Irina Y Kosinski0.0%20
Shahrzad Spieler0.0%10
Evan Michael Lewoczko—026

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1612?

40.7% over the last five years, across 5,970 resolved applications.

Which examiners in Art Unit 1612 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Brian J Davis (86.7%, 497 resolved), Benjamin J Packard (66.9%, 1,351 resolved), Isaac Shomer (63.2%, 1,197 resolved).

Which examiners in Art Unit 1612 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Darryl C Sutton (6.4%, 173 resolved), Frederick F Krass (7.1%, 85 resolved), Sara Elizabeth Townsley (10.9%, 46 resolved).

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