Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1797: Examiners and Allowance Rates

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

Art unit baseline (last 5 years, 5,407 dispositions): 55% allowance rate • 3.9 office actions per allowance • 1,160 days median pendency
ExaminerAllowance rateResolved casesPending apps
Vishal V Vasisth100.0%20
Monique A Mirabeau100.0%20
Kyle Gregory Nottingham100.0%10
Claire X Wang100.0%10
Duane Smith100.0%10
Jonathan Michael Skrzycki100.0%10
Madison Taylor Herbert100.0%10
Joye L Woodard100.0%10
Mickey Nmn Huang100.0%10
Tanzim Imam100.0%10
Chu Chuan Liu100.0%10
John Schuyler Mcguirk100.0%10
David R Sample100.0%10
Douglas J Theisen90.0%500
Michael P Shimek85.7%280
Christopher Upton84.2%1650
Thuan D Dang84.2%1520
Oyeleye A Alabi83.9%27937
Britney Nicole Washington83.8%8019
Brian J Sines83.7%4180
Bradley Etherton83.3%60
Robert A Hopkins82.4%2160
Tracy Ching-Tian Colena81.0%2112
Jennifer Wecker80.9%5339
Maureen Wallenhorst79.9%1,05521
Freddie Gary Prince Jr.79.4%1650
Frank M Lawrence Jr.79.2%2210
Lessanework T Seifu78.9%950
Christine T Mui78.9%1,05552
Dung H Bui78.6%1310
Chester T Barry78.1%1830
Huy Tram Nguyen78.1%1370
Jason M Greene76.7%1930
Steven Ray Castaneda76.7%300
Jonathan Bortoli76.5%25119
Kathryn Elizabeth Limbaugh76.4%1996
Christopher Hixson75.6%4590
Richard L Chiesa75.6%1270
Brian A Mccaig75.5%1430
Charles S Bushey75.2%1210
Nina Nmn Bhat74.1%1970
Sonji Turner73.2%820
Peter A Hruskoci72.6%2230
Francis C Campanell72.6%1060
Emily R Berkeley72.6%2770
Lore Ramillano Jarrett71.9%57319
Natasha E Young70.0%1500
Tam M Nguyen70.0%1100
Paul J Durand69.4%490
Virginia Manoharan68.6%1590
Ana M Fortuna68.4%1520
Paul Sang Hwa Hyun68.4%4140
Minh Chau Thi Pham67.6%2410
Christopher P Jones67.6%1110
Charles E Cooley67.0%1850
Benjamin J Behrendt66.7%270
Michelle Stein66.7%150
Tony Glen Soohoo65.5%1160
Prem C Singh65.5%1970
In Suk C Bullock65.4%1330
Shanta G Doe65.3%720
James C Goloboy65.2%1350
Renee E Robinson65.2%660
Bryan T Kilpatrick65.1%2810
Matthew O Savage64.9%2020
Robert Arthur Clemente64.6%1470
Thomas M Lithgow64.2%1090
Cameron J Allen64.1%920
Xiaoyun Xu63.8%82544
Michelle Adams63.4%45412
Robert J Eom63.0%56526
Amber Rose Orlando62.9%1050
Charles Hammond62.5%160
Lydia E Edwards62.0%1000
David A Reifsnyder61.1%720
Bobby Ramdhanie60.4%960
Samuel P Siefke60.0%5270
Sun U Kim59.8%1220
Ives J Wu59.7%1340
Karla Hawkins59.6%520
Jyoti Nagpaul Mutreja59.5%1110
Joseph W Drodge59.3%2310
Ali Husain Faraz59.0%390
Arlen Soderquist59.0%68716
Tiffany Palmer58.8%170
Timothy C Cleveland58.8%170
Cephia D Toomer58.1%1670
Natalia A Levkovich57.5%800
Dwan A Gerido57.5%60236
Sharon Pregler57.1%280
Thanh P Duong56.2%1300
William H Beisner56.1%1230
Ernest G Therkorn54.4%790
David G Weisz54.0%500
Randy Boyer53.2%1240
Dean P Kwak53.1%320
Jennifer A Leung53.0%1150
Taiwo Oladapo53.0%1000
Elizabeth L Mckane51.6%1280
Lyle Alexander51.0%1530
Terry K Cecil50.8%1220
David L Sorkin50.7%1500
Neil N Turk50.6%870
Allison G Fitzsimmons50.0%120
Anita B Damron50.0%20
Glenn A Caldarola50.0%20
Sean Everett Conley47.8%1360
Dwayne K Handy47.0%1150
Ellen M Mcavoy46.9%1130
Jean C Caraballo-Leon46.2%520
Shogo Sasaki46.0%630
Timothy G Kingan45.7%920
Thomas B Mckenzie45.5%110
Marjorie Ellen Christian45.0%200
Keri A Moss44.0%250
Rebecca M Fritchman44.0%3660
Yelena G Gakh43.5%3150
Michael L Hobbs41.5%940
Brian R Gordon40.9%1150
Madeline Gonzalez40.6%690
Patricia Kathryn Wright40.0%1150
Alison Claire Gerhard39.5%4319
Pamela Hl Weiss38.9%900
Lucas A Stelling38.7%1810
Krishnan S Menon38.6%1970
Dennis Michael White38.4%990
Cedric A Chan36.7%600
Nathan Andrew Bowers36.4%1210
Robert J Popovics36.4%990
Christopher Vandeusen35.3%170
David C Mellon33.3%690
Monzer R Chorbaji32.9%850
Regina M Yoo30.8%780
Katherine Marie Zalasky Mcdonald29.5%610
Jan M Ludlow27.9%610
Anthony R Shumate27.1%590
Dirk R Bass26.9%520
Benjamin M Kurtz26.4%1210
Sally Anne Merkling25.5%470
Chantel Loran Graham25.0%600
Akash K Varma25.0%120
Jerrod B Marten25.0%80
Rohit K. Dewan25.0%80
Danielle B Henkel24.5%530
Denise R Anderson23.0%610
Ming Cheung Po21.7%600
Andrew Joseph Janca21.0%810
Kevin Joyner20.0%800
Jill Alice Warden18.8%160
Jameson Q Ma17.3%520
Jonathan M Hurst14.6%480
Walter Dean Griffin8.3%120
Eric J. Mccullough7.7%130
Latosha D Hines7.5%530
Bradley R Gordon II0.0%100
Vickie Y Kim0.0%70
David W Chong0.0%70
Heidi Riviere Kelley0.0%60
Srilakshmi K Kumar0.0%20
Michael B Cleveland0.0%10
Angela Y Ortiz0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1797?

54.8% over the last five years, across 5,407 resolved applications.

Which examiners in Art Unit 1797 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Douglas J Theisen (90.0%, 50 resolved), Christopher Upton (84.2%, 165 resolved), Thuan D Dang (84.2%, 152 resolved).

Which examiners in Art Unit 1797 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Latosha D Hines (7.5%, 53 resolved), Jonathan M Hurst (14.6%, 48 resolved), Jameson Q Ma (17.3%, 52 resolved).

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