Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2677: Examiners and Allowance Rates

74 examiners • 14 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 3,432 dispositions): 69% allowance rate
ExaminerAllowance rateResolved casesPending apps
Vu Nguyen100.0%30
Ke Xiao100.0%20
Wei-Wei Sun100.0%20
Sean A Frith100.0%10
Ali Bayat96.4%1398
Neil R Mclean94.5%2370
Jayesh A Patel94.0%21631
Jr, Maurice L Mcdowell93.8%810
Negussie Worku93.4%7750
Houshang Safaipour93.1%3770
Antonio A Caschera91.5%590
Tommy D Lee91.4%4300
Wesner Sajous91.0%670
Guillermo M Rivera-Martinez89.9%12929
Steven Y Kau89.5%570
Akwasi Sarpong89.5%190
Jonathan S Lee88.6%13215
Marcus T Riley87.8%3370
Thomas J Lett87.8%3840
Jacinta M Crawford87.2%470
Kimbinh T Nguyen85.9%640
Joni Hsu84.8%330
Darryl V Dottin84.0%2620
Dov Popovici82.9%2280
Atiba O Fitzpatrick82.8%12212
Hau H Nguyen82.2%450
Phu K Nguyen81.0%790
Qian Yang80.4%14321
Miya J Cato80.3%1930
Helen Zong80.2%2430
Andrew W. Bee79.6%499
Michelle L Sams78.4%370
Bharatkumar S Shah78.2%3670
Eric Rush76.8%12517
Frantz Bataille76.3%4520
Winta Gebreslassie75.3%7722
Jwalant B Amin75.0%320
Sing-Wai Wu74.4%430
Michelle Chin72.4%290
Edwin S Leland III72.3%3830
Devin J Dhooge72.1%6821
Donna J Ricks70.0%200
Christine Nmn Zhao69.0%297
Zhengxi Liu68.8%320
Haixia Du67.9%280
Leon T Cain II66.7%330
Emma Elizabeth Dryden66.7%3016
Robert J Craddock66.7%300
Richard M Russell66.7%30
Ryan M Gray64.3%140
Kyle Zhai63.0%270
Mark R Milia61.5%2860
Carlos Perromat60.0%450
Vincent M Rudolph60.0%300
Jed-Justin Imperial60.0%150
Kim Thanh Thi Tran60.0%150
Caleb Logan Esquino58.1%3113
Keara S Harris57.5%870
Walter A Yehl51.0%1430
Andrew Shin50.0%180
Rebecca Colette Williams50.0%1420
Natasha S Eaddy50.0%20
Jin Cheng Wang48.8%410
Ryan D Mcculley48.0%250
Idowu O Osifade47.3%1290
Aaron M Richer40.0%250
Nicholas R Wilson20.0%50
Weiming He16.7%180
Frank S Chen16.7%120
Kee M Tung6.7%150
Tammy Goddard5.3%190
Raffi Isanians0.0%40
Whitney A Pointe0.0%40
Kwang B Lee0.0%30

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2677?

69.0% over the last five years, across 3,432 resolved applications.

Which examiners in Art Unit 2677 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Ali Bayat (96.4%, 139 resolved), Neil R Mclean (94.5%, 237 resolved), Jayesh A Patel (94.0%, 216 resolved).

Which examiners in Art Unit 2677 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Idowu O Osifade (47.3%, 129 resolved), Jin Cheng Wang (48.8%, 41 resolved), Walter A Yehl (51.0%, 143 resolved).

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