Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2642: Examiners and Allowance Rates

32 examiners • 13 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 4,367 dispositions): 73% allowance rate • 3.8 office actions per allowance • 917 days median pendency
ExaminerAllowance rateResolved casesPending apps
Mahendra R Patel100.0%40
Alexander Xiuye Wu100.0%10
Quochien B Vuong100.0%10
Angela Marie Widhalm De Rodrig100.0%10
Mandish K Randhawa100.0%10
Kenneth T Lam100.0%10
Danh C Le93.1%7380
Joseph Arevalo90.0%71717
Amancio Gonzalez89.5%7420
Nimesh Patel88.9%71820
Tu X Nguyen88.9%3140
Marcos Batista88.3%5725
Nghi H Ly83.6%5320
Suhail Khan82.5%5598
Xiang Zhang82.5%570
Allahyar Kasraian80.3%52916
Gilbert Mugarula Grant80.0%258
Liton Miah79.4%56823
Mark G Pannell74.7%43012
Aaron Clyde Deditch72.7%110
Quoc Thai Ngoc Vu71.5%59220
Lameka J Kirk71.4%70
Joshua L Schwartz71.0%3310
German Viana Di Prisco69.7%5451
Pakee Fang63.8%3980
Frank E Donado57.1%560
Rafael Perez Gutierrez23.8%17217
Daniel A Nobile22.7%220
Julio R Irizarry Benejam0.0%20
Juan C Perez Tolentino0.0%10
Justin Huynh Winn—04
Robert H Koenig—03

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2642?

72.5% over the last five years, across 4,367 resolved applications.

Which examiners in Art Unit 2642 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Danh C Le (93.1%, 738 resolved), Joseph Arevalo (90.0%, 717 resolved), Amancio Gonzalez (89.5%, 742 resolved).

Which examiners in Art Unit 2642 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Rafael Perez Gutierrez (23.8%, 172 resolved), Frank E Donado (57.1%, 56 resolved), Pakee Fang (63.8%, 398 resolved).

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