Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 1792: Examiners and Allowance Rates

129 examiners • 16 with pending office actions • Chemistry & Materials (Tech Center 1700)

Art unit baseline (last 5 years, 5,020 dispositions): 23% allowance rate • 10.2 office actions per allowance • 1,922 days median pendency
ExaminerAllowance rateResolved casesPending apps
Thien S Tran100.0%20
Thor S Campbell100.0%20
Sang H Nguyen100.0%10
Atul P Khare100.0%10
John J Derusso100.0%10
Abdul-Rahman Yusuf Waleed Smari100.0%10
Tabatha L Penny100.0%10
Michael Casey Bryant100.0%10
Charles Kling100.0%10
Ayodeji Harry Ojofeitimi100.0%10
Emmanuel E Duke100.0%10
Stephen Michael Gravini100.0%10
Jenna A Watts100.0%10
Natalie F Huls100.0%10
Stephanie P. Duclair100.0%10
Felisa Carla Hiteshew86.0%430
Newton O Edwards82.9%820
Anthony J Weier81.0%8860
George A Goudreau80.0%50
Allan W Olsen77.3%660
Brenda A Lamb76.5%810
Kin Chan Chen75.9%540
Bret P Chen73.6%1210
Binh X Tran71.1%1140
Robert M Kunemund70.9%1170
Lan Vinh70.6%1430
Yewebdar T Tadesse69.9%1330
G Nagesh Rao67.1%760
Frederick John Parker65.9%1260
Frankie L Stinson65.8%1490
Laura Estelle Edwards65.7%1020
Roberts P Culbert65.0%1170
Kelly M Gambetta64.4%730
Cachet I Proctor63.9%1220
Duy Vu Nguyen Deo63.0%920
Alain L Bashore62.1%290
Hong Thi Yoo62.0%41637
Erma C Cameron61.7%1280
Shamim Ahmed59.9%1420
Maki A Angadi57.7%1040
Joseph L Perrin57.4%1290
Saeed T Chaudhry57.3%750
Rita P Adhlakha56.7%670
Matthew J Song55.4%650
William P Fletcher III55.3%1140
Anita Karen Alanko54.5%1010
David P Turocy50.0%1140
Luis Eugenio Diou Berdecia50.0%6020
Albert Michael Hilton50.0%20
Mahmoud Dahimene48.4%640
Andrew J Bowman48.4%620
James Lin47.8%900
Drew E Becker47.7%67126
Kirsten Jolley47.6%420
Jyoti Chawla47.2%4320
Bibi Sharidan Carrillo44.8%870
Chaim A Smith44.4%3470
Rakesh Kumar Dhingra44.3%970
Benjamin Lee Osterhout43.3%300
Brian K Talbot42.9%770
Janice Y Silverman42.6%6842
Steven N Leff42.6%54235
Austin Parker Taylor42.5%13426
Bhaskar Mukhopadhyay42.3%33333
Ryan L Coleman41.4%290
Kelly Jo Bekker41.4%2949
Natasha N. Campbell39.4%330
Anna M Crowell38.7%310
Assaf Zilbering37.5%61440
Luana Zhang Long37.2%1480
Jason Paul Riggleman37.1%700
Jason Y Ko35.9%390
Jason Mark Heckert35.8%810
Ryan Raymond Schiro35.4%480
Samuel A Waldbaum34.3%1400
Lela Samantha Davis34.2%3710
Preston Smith33.8%2930
Karla A Moore33.0%970
Maureen Gramaglia Passey31.9%910
Nicole R Blan31.6%760
Jr, Joseph Albert Miller30.8%650
Erik Kashnikow29.8%470
Ericson M Lachica29.8%53161
Eric Wayne Golightly29.7%640
Elizabeth A Burkhart29.6%810
Marianne L Padgett29.4%850
Duo Duo Chen29.2%240
Bryan Kim28.2%35142
Xiao Si Zhao27.8%360
Sylvia Macarthur27.0%890
David G Cormier26.3%380
Jeffrie Robert Lund25.9%810
Keath T Chen25.8%1200
Tabassom Tadayyon Eslami25.4%710
Nathan T Leong25.0%400
Elena Tsoy Lightfoot24.7%890
Nathan K Ford24.0%500
Alexander Marion Weddle23.9%670
Francis P Smith23.5%340
Michael G Miller22.9%480
Robert A Vetere22.5%710
Stephen K Ko22.4%580
Ram N Kackar21.5%1300
Rudy Zervigon21.3%1080
Naomi L Birbach19.2%260
Luz L Alejandro Mulero19.1%470
Thanh H Nguyen18.5%33524
Alexander Markoff18.4%760
Alex A Rolland17.2%290
Satish Chandra16.4%730
Mandy C Louie15.8%570
Viren A Thakur15.4%63645
Ariel M Rodgers15.4%3919
Robert S Walters Jr.13.9%720
Ashley Axtell13.2%28828
Nathan H Empie11.8%510
Sophia W Leung11.8%170
Tiffany Z Nuckols11.5%260
Katherine A Bareford11.1%1080
Michael P Wieczorek10.3%390
Joel G Horning9.8%410
Daniel M Propster5.6%180
Karla Isobel Diviesti3.2%3135
Rena Dye Cronin2.1%470
Richard R Bueker0.0%70
Erin Lindsay Evans0.0%30
William J Kuduk0.0%30
Jacob F Betit0.0%10
Katherine Deguire Leblanc0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 1792?

22.9% over the last five years, across 5,020 resolved applications.

Which examiners in Art Unit 1792 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Felisa Carla Hiteshew (86.0%, 43 resolved), Newton O Edwards (82.9%, 82 resolved), Anthony J Weier (81.0%, 886 resolved).

Which examiners in Art Unit 1792 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Rena Dye Cronin (2.1%, 47 resolved), Karla Isobel Diviesti (3.2%, 31 resolved), Joel G Horning (9.8%, 41 resolved).

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