Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2621: Examiners and Allowance Rates

124 examiners • 16 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 4,928 dispositions): 64% allowance rate • 3.1 office actions per allowance • 638 days median pendency
ExaminerAllowance rateResolved casesPending apps
David Donald Davis100.0%40
Nelson M Rosario100.0%30
Adam J Snyder100.0%30
Insa Sadio100.0%20
Bryan E Earles100.0%20
Krishna P. Neupane100.0%20
Nathan Andrew Danielsen100.0%20
Nan-Ying Yang100.0%20
Kevin M Nguyen100.0%20
Sardis F Azongha100.0%20
Grant Sitta100.0%10
Yaron Cohen100.0%10
Nitin Patel100.0%10
Sanghyuk Park100.0%10
Peter-Anthon Pappas100.0%10
Sanjiv D Patel100.0%10
Deeprose D Subedi100.0%10
Rodney Amadiz100.0%10
Dorothy H Harris100.0%10
Towfiq Elahi100.0%10
Nicholas J Lee100.0%10
Jennifer T Nguyen100.0%10
Nhut Huy Pham100.0%10
Cameron Saadat100.0%10
Calvin Ma100.0%10
Michael A Faragalla100.0%10
Caroline Elizabeth Depalma100.0%10
Yuzhen Shen100.0%10
Benyam Ketema100.0%10
Amy Onyekaba100.0%10
Ariel A Balaoing100.0%10
William Lu100.0%10
Parul H Gupta100.0%10
Chun-Nan Lin100.0%10
Lawrence Stefan Galka100.0%10
Dmitriy Bolotin100.0%10
Joseph Patrick Fox100.0%10
Matthew A Eason100.0%10
William Boddie100.0%10
Sahlu Okebato100.0%10
Afroza Y Chowdhury100.0%10
Dismery E Mercedes100.0%10
Shaheda A Abdin97.8%460
Peter D Mcloone96.7%903
Ricardo Osorio95.6%450
Md Saiful A Siddiqui93.5%620
Priyank J Shah93.2%440
Abhishek Sarma93.2%16115
Kirk W Hermann91.3%460
Joseph R Haley90.3%15420
Gene W Lee90.2%410
Abdul -Samad A Adediran90.0%48916
Richard J Hong89.7%580
Olga Aronovich89.3%560
Ibrahim A Khan88.2%510
Stephen G Sherman86.9%1,20827
Mihir K Rayan85.5%620
Sarvesh J Nadkarni85.4%410
Michael Pervan83.8%3900
Huy Thanh Nguyen83.4%1450
Christopher E Leiby83.2%20821
Gims S Philippe80.6%1600
Nhon Thanh Diep80.6%1440
Liliana P Cerullo80.0%75910
Jarurat Suteerawongsa79.3%290
Anand Shashikant Rao78.9%1330
Shawn S An78.3%1060
Robert Chevalier76.5%1490
Lunyi Lao75.0%40
Sepehr Azari74.7%19026
Kenneth Bukowski74.7%68817
Behrooz M Senfi68.2%1290
Andre L Matthews67.9%43313
Allen C Wong67.2%1160
Erick J Rekstad66.7%60
Tung T Vo66.4%1250
Mishawn N Hunter65.6%1280
David E Harvey64.1%1280
Maheen I Javed60.5%1478
Nigar Chowdhury60.2%980
Daquan Zhao59.6%1040
Girumsew Wendmagegn58.6%1400
Donna V Bocar57.8%38417
Syed Y Hasan57.1%1190
Aaron Midkiff56.4%36712
Helen Shibru56.2%1120
Dennis P Joseph56.2%54335
Matthew Y Sim56.0%1820
Wing H Chow54.9%2840
Anner N Holder54.7%750
Marc A Dazenski53.8%650
Y Young Lee53.2%620
Tat Chi Chio51.2%820
Gelek W Topgyal50.8%650
Roberto W Flores49.9%54526
David J Czekaj48.9%940
Jamie Jo Atala48.3%580
Randal L Willis48.0%250
Waseem Moorad48.0%250
Amr A Awad46.9%3211
Hung Q Dang46.4%970
Jessica Marie Prince44.4%540
Stephen A Bray42.5%1460
Chikaodili E Anyikire41.6%770
James A Fletcher40.0%100
David N Werner39.7%680
Daniel T Tekle35.8%670
Heather Rae Jones35.4%790
Jonathan G Cooper35.2%540
Oluwaseun Adegeye33.9%560
Jeremiah Charles Huber32.8%640
Richard T Torrente31.9%940
Christopher G Findley31.9%470
Geepy Pe31.1%610
Asher R Khan30.0%500
Thai Q Tran22.2%90
Hee-Yong Kim20.0%200
Kevin M Yafuso8.3%120
Michael P Choi7.7%260
James M Pontius0.0%170
Marsha Denise Banks Harold0.0%40
Jared D Beltowski0.0%20
Larry B Wheaton0.0%10
Lisa S Landis0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2621?

64.2% over the last five years, across 4,928 resolved applications.

Which examiners in Art Unit 2621 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Shaheda A Abdin (97.8%, 46 resolved), Peter D Mcloone (96.7%, 90 resolved), Ricardo Osorio (95.6%, 45 resolved).

Which examiners in Art Unit 2621 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Asher R Khan (30.0%, 50 resolved), Geepy Pe (31.1%, 61 resolved), Richard T Torrente (31.9%, 94 resolved).

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