Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1725: Examiners and Allowance Rates

56 examiners • 31 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 5,992 dispositions): 66% allowance rate • 3.6 office actions per allowance • 1,038 days median pendency
ExaminerAllowance rateResolved casesPending apps
Jessica Nicole Lizarazu100.0%217
Brennan Maxwell Stewart100.0%10
Scott J Chmielecki100.0%10
Eli S Mekhlin100.0%10
Ida Etemadi100.0%10
Dah Wei D Yuan100.0%10
Matthew T Martin100.0%10
Jonathan J Johnson100.0%10
Robert Scott Carrico100.0%10
Patricia L Hailey100.0%10
Elizabeth Evans Mulvaney100.0%10
Jimmy Vo100.0%10
Fiki Vanessa Owhoso100.0%10
Samantha Lee Hanyon100.0%120
Nicole M Buie-Hatcher95.1%1223
Karie O Apicella88.8%59832
Christopher P Domone87.2%39818
Taylor Harrison Krone85.7%4220
Krishna R Hammond83.8%3733
James M Erwin82.3%60513
Kenneth J Douyette82.1%1,48629
Gregg Cantelmo81.9%62626
Tracy Mae Dove77.5%8037
Gilberto Ramos Rivera76.2%2114
Oi K Conley75.2%2220
Jonathan Crepeau75.1%85216
James Lee74.4%73732
Matthew J Merkling73.1%1,02135
Kimberly Wyluda71.5%26023
Caitlin M Wilmot70.5%1390
Sean P Cullen70.1%1,23259
Jonathan William Estes69.0%8739
Imran Akram68.0%81039
Kaity V Chandler65.7%48719
Heng M Chan65.2%29617
Jacob Buchanan57.0%59328
Jonathan G Leong54.0%3020
Kenneth Max Otero52.4%2147
Julia Marie Fehr51.6%3129
Nathaly Marie Resto Oquendo50.0%215
Allison Bourke44.0%750
Sarah Arimintia Applegate43.5%2346
Lindsey A Buck41.5%650
Tamir Ayad36.6%930
Alexander C Kollias31.3%990
Devina Pillay29.8%840
Christina Chern28.9%760
Basia Anna Ridley15.2%3331
Andrew J Golden13.0%230
Thanh Truc Trinh12.9%930
Srilakshmi K Kumar0.0%10
Nathanael T Zemui0.0%10
Thinh Gia Hoang—08
Mohammad Bilal Mian—02
Meher Mehta—02
Rafael Josep Martinez Virador—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1725?

65.5% over the last five years, across 5,992 resolved applications.

Which examiners in Art Unit 1725 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Nicole M Buie-Hatcher (95.1%, 122 resolved), Karie O Apicella (88.8%, 598 resolved), Christopher P Domone (87.2%, 398 resolved).

Which examiners in Art Unit 1725 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Thanh Truc Trinh (12.9%, 93 resolved), Basia Anna Ridley (15.2%, 33 resolved), Christina Chern (28.9%, 76 resolved).

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