Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2663: Examiners and Allowance Rates

50 examiners • 15 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 2,982 dispositions): 63% allowance rate • 3.4 office actions per allowance • 903 days median pendency
ExaminerAllowance rateResolved casesPending apps
Nhan T Tran100.0%10
Qing Chen100.0%10
Xin Jia94.0%11714
Nirav G Patel92.2%770
Andrae S Allison90.9%2090
Jingge Wu90.8%1530
Menatoallah M Youssef90.8%870
Leon Viet Q Nguyen90.7%47327
Yosef Kassa90.6%530
Tsung Yin Tsai89.7%2240
Renae Allyn Bitor87.0%469
Ahmed A Berhan86.1%3680
Luong Trung Nguyen85.6%2910
Randolph I Chu85.3%2380
Kevin M Coomber84.6%789
Rohan Tejas Mukundhan84.6%130
Sean M Conner84.0%2388
Stephen M Brinich84.0%2440
Ngoc Yen T Vu83.4%2890
Vikkram Bali81.9%37629
Peter Chon80.5%1130
Ming Shui80.4%4620
Padma Haliyur80.4%2500
Fred H. Hu79.6%540
Jiangeng Sun79.5%440
Dwight Alex C Tejano79.4%2380
Stefano Anthony Dardano78.6%8417
Owais Iqbal Memon78.5%13010
Kenny A Cese78.1%44339
Angel L Garces-Rivera77.7%2380
Andrew M Moyer76.3%1900
Quang V Le75.8%990
Fayez A Bhuiyan75.0%2240
Ronde Lee Miller75.0%4013
Phuong Hau Cai74.3%350
Ty Mitchell Beatty73.0%378
David Alexander Wambst70.0%4018
Akshay Trehan68.8%2050
Justin P Misleh68.4%1930
Denise G Alfonso66.7%90
Carramah J Quiett65.4%2280
Antoinette T Spinks65.2%3620
Han Dinh Hoang55.6%270
Wesley Jason Chiu51.8%1910
Gregory Allan Morse50.0%48
David Benjamin Orange17.4%2333
Twyler Lamb Haskins14.3%70
Claire X Wang0.0%30
Dwayne D Bost0.0%20
Seth Adam Silverman0.0%10

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2663?

63.1% over the last five years, across 2,982 resolved applications.

Which examiners in Art Unit 2663 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Xin Jia (94.0%, 117 resolved), Nirav G Patel (92.2%, 77 resolved), Andrae S Allison (90.9%, 209 resolved).

Which examiners in Art Unit 2663 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Wesley Jason Chiu (51.8%, 191 resolved), Antoinette T Spinks (65.2%, 362 resolved), Carramah J Quiett (65.4%, 228 resolved).

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