Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1723: Examiners and Allowance Rates

72 examiners • 27 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 4,644 dispositions): 60% allowance rate • 5.1 office actions per allowance • 1,440 days median pendency
ExaminerAllowance rateResolved casesPending apps
Oscar Armando Londono100.0%60
Jonathan J Johnson100.0%50
Mark Ruthkosky100.0%40
Tong Guo100.0%33
Olatunji A Godo100.0%20
Edwin Young100.0%10
Cynthia Kyung Soo Walls100.0%10
Daniel S Gatewood100.0%10
Deneen Gaynor100.0%10
Travis Lynden Martin100.0%10
Ignazio Nathan David Macaluso100.0%10
In Suk C Bullock100.0%10
Stewart A Fraser100.0%10
Andrew James Miller100.0%10
Zhongqing Wei100.0%10
David Bochna100.0%10
Kaj K Olsen100.0%10
Kourtney Salzman Carlson100.0%10
Monique M Wills94.6%14723
Carlos Barcena89.6%60629
Muhammad S Siddiquee88.9%50323
Laura S Weiner87.1%22530
Tiffany Legette-Thompson82.4%173
John S Maples81.6%1030
Jenna N Shulman81.5%270
Jesse James Efymow78.6%2830
Katherine J Metzger78.6%140
Albert Michael Hilton78.4%11122
Lingwen R Zeng76.6%54826
Yoshitoshi Takeuchi76.4%44423
Jimmy Vo73.4%69634
Christian Roldan Ramos72.5%31324
Nicholas P D'Aniello71.8%75942
Paul Christian St Wyrough68.4%1926
Haixia Zhang66.8%18411
Jeremiah R Smith62.7%66836
Kaity V Chandler60.8%740
Jared A Hansen60.0%3531
Mary G Henshaw58.6%1160
Michael L Dignan58.1%73946
Kiran Quraishi Akhtar56.0%910
Philip A Stuckey55.1%2160
Matthew J Merkling53.8%1320
Joshua Patrick Mcclure50.5%930
Stephen J Yanchuk49.3%3690
Abibatu O Oluwa49.2%590
Nicholas A Smith49.1%1100
Harry D Wilkins III49.1%1060
Imran Akram47.0%830
Douglas C Marroquin46.4%2828
Grace A Kenlaw45.8%2423
Miriam Stagg44.6%830
Bryan D Ripa43.5%850
Shannon M Gardner40.8%710
Zulmariam Mendez39.5%810
Suphia Quraishi35.0%400
Golam Mowla31.5%920
Michael A Band30.3%890
Christine Conlon Disney27.3%2221
Jennifer A Moss25.5%550
William T Leader21.6%740
Milton I Cano12.2%740
Brian W Cohen12.1%330
Ciel P Contreras8.3%360
Srilakshmi K Kumar0.0%20
Alexa Doroshenk Neckel0.0%20
Ning Chen0.0%129
Isaac Gregorio Torres Diaz—06
Colin Michael Zorij—04
Fausto Israel Mares Davila—03
John Alexander Sinclair—01
Kinesha Latrece Harris—01

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1723?

60.0% over the last five years, across 4,644 resolved applications.

Which examiners in Art Unit 1723 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Monique M Wills (94.6%, 147 resolved), Carlos Barcena (89.6%, 606 resolved), Muhammad S Siddiquee (88.9%, 503 resolved).

Which examiners in Art Unit 1723 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Ciel P Contreras (8.3%, 36 resolved), Brian W Cohen (12.1%, 33 resolved), Milton I Cano (12.2%, 74 resolved).

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