Prosecution Insights
Last updated: October 08, 2026

USPTO Art Unit 1723: Examiners and Allowance Rates

66 examiners • 22 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 4,615 dispositions): 60% allowance rate • 5.0 office actions per allowance • 1,465 days median pendency
ExaminerAllowance rateResolved casesPending apps
Oscar Armando Londono100.0%60
Mark Ruthkosky100.0%40
Jonathan J Johnson100.0%30
Tong Guo100.0%30
Olatunji A Godo100.0%20
Edwin Young100.0%10
Cynthia Kyung Soo Walls100.0%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
David Bochna100.0%10
Kaj K Olsen100.0%10
Kourtney Salzman Carlson100.0%10
Monique M Wills94.5%14523
Carlos Barcena89.4%59733
Muhammad S Siddiquee88.7%49722
Laura S Weiner87.4%22332
Jesse James Efymow87.0%2331
Tiffany Legette-Thompson82.4%172
John S Maples81.6%1030
Jenna N Shulman81.5%270
Katherine J Metzger78.6%140
Albert Michael Hilton77.8%10828
Lingwen R Zeng76.7%54528
Yoshitoshi Takeuchi76.2%44221
Jimmy Vo73.4%69334
Christian Roldan Ramos72.4%31221
Nicholas P D'Aniello71.7%75537
Haixia Zhang66.8%18411
Paul Christian St Wyrough66.7%1829
Jeremiah R Smith62.8%66738
Kaity V Chandler60.8%740
Jared A Hansen60.0%3532
Mary G Henshaw58.6%1160
Michael L Dignan57.9%73646
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
Douglas C Marroquin48.1%2733
Imran Akram47.0%830
Grace A Kenlaw45.8%2422
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%2219
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
Dah Wei D Yuan—02

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1723?

59.9% over the last five years, across 4,615 resolved applications.

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

Among examiners with at least 30 resolved applications: Monique M Wills (94.5%, 145 resolved), Carlos Barcena (89.4%, 597 resolved), Muhammad S Siddiquee (88.7%, 497 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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