Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1711: Examiners and Allowance Rates

39 examiners • 15 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 6,125 dispositions): 64% allowance rate • 3.2 office actions per allowance • 897 days median pendency
ExaminerAllowance rateResolved casesPending apps
Samuel Robert Barker100.0%50
Laura Cole Guidotti100.0%20
Gregory R Delcotto100.0%10
Michael Deangilo Jennings100.0%10
Keith Stanley Myers100.0%10
Shay Lynn Karls100.0%10
Pradhuman Parihar100.0%10
Richard Z Zhang100.0%10
Levon J Shahinian85.6%84115
Cristi J Tate-Sims83.7%73417
Benjamin Lee Osterhout82.7%1,0003
Pallavi Chitta81.1%950
Joseph L Perrin79.3%1,17027
Rita P Adhlakha79.2%3360
Jason Y Ko77.0%1,06210
Saeed T Chaudhry76.9%4290
Tinsae B Ayalew75.6%61928
Colton Busa Forry75.0%415
Lauren Grace Orta74.6%6723
Thomas Bucci74.3%5670
Frankie L Stinson71.5%2700
Charles Kling69.8%1590
Omair Chaudhri66.6%30226
David G Cormier66.0%97129
Irina Graf65.1%3930
Bibi Sharidan Carrillo64.7%70924
Andrew J Bowman64.7%510
Kevin G Lee64.2%59523
Spencer E Bell63.0%66741
Jason Paul Riggleman61.3%4520
Alexander Markoff51.8%8430
Ryan Raymond Schiro50.0%260
Caitlin Noelle Denni Dunlap46.3%950
Jason Mark Heckert44.6%560
Robert S Walters Jr.41.1%560
Michael E Barr36.4%1185
Warren A Young0.0%30
Nathan M Nutter0.0%10
William Johi Winchester—06

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1711?

63.9% over the last five years, across 6,125 resolved applications.

Which examiners in Art Unit 1711 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Levon J Shahinian (85.6%, 841 resolved), Cristi J Tate-Sims (83.7%, 734 resolved), Benjamin Lee Osterhout (82.7%, 1,000 resolved).

Which examiners in Art Unit 1711 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Michael E Barr (36.4%, 118 resolved), Robert S Walters Jr. (41.1%, 56 resolved), Jason Mark Heckert (44.6%, 56 resolved).

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