Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 3658: Examiners and Allowance Rates

63 examiners • 25 with pending office actions • Transportation, E-Commerce & Mechanical Systems (Tech Center 3600)

Art unit baseline (last 5 years, 4,769 dispositions): 62% allowance rate • 5.5 office actions per allowance • 1,256 days median pendency
ExaminerAllowance rateResolved casesPending apps
Dino Kujundzic100.0%1514
Paul A Castro100.0%57
Rachel M Gude100.0%20
Jorge O Peche100.0%10
Luis E Lopez-Garcia100.0%10
Elizabeth M Kerr100.0%10
Hunter B Lonsberry100.0%10
Jason R Holloway94.0%1516
Ramon A Mercado92.3%528
Michael C Zarroli91.8%19411
Basil T Jos90.6%3212
Jay Khandpur87.5%880
Madison B Emmett86.2%8712
Ellis B Ramirez85.9%14221
Truc M Do85.3%11618
David Morgan Fenstermacher85.3%5170
Jude Agendia84.2%1900
William J Cook84.1%4980
Ha Dinh Ho82.4%5100
Bryant Tang82.1%5622
Howard J Sanders81.4%1670
Justin Mitchell Krause81.1%2650
Thomas A Morrison77.8%1710
Atticus A Cameron77.3%6610
Elizabeth Rose Neleski76.4%5515
Christopher Allen Buksa75.9%8721
Victor L Macarthur75.0%4440
Blake Andrew Wood73.7%9918
Ernesto A Suarez72.7%330
Zakaria Elahmadi72.4%5760
Jr, Bobby Rushing72.1%3690
Gregory Robert Weber71.9%2600
Randell J Krug71.9%3380
Michael P Gonzalez71.0%690
Mohamad O El Sayah70.5%10531
Sihar A Karwan70.5%10515
Benjamin J Brosh67.9%8418
Tyler Roger Robarge67.9%280
Terence Boes67.3%4520
Thomas Oliver Magnuson66.7%420
Thomas E Worden66.7%240
William C Joyce66.6%6680
Thomas S Fix66.5%2090
Gregory T Prather62.8%4030
Moya Phung Ly62.5%810
Emily W Cheng62.2%980
Valentin Craciun61.9%1260
Noah William Stiebritz61.5%3921
Christopher Darren Scott60.9%230
John Martin O'Malley60.0%1520
Leonard J Archuleta59.5%420
Alexander T Vu57.6%990
Joseph Henry Brown55.3%3650
Troy Chambers51.3%390
Alexandra Robyn Morford50.0%2027
Shaheda Shabnam Hoque49.1%5320
Matthew Ryan Vaerewyck43.8%160
William J Kelleher26.5%680
Docket Tc 36000.0%20
Charles A Fox0.0%10
Godfrey Aleksander Maciorowski0.0%122
David Ruben Pedersen—019
Paul Woodward Arellano—015

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 3658?

61.9% over the last five years, across 4,769 resolved applications.

Which examiners in Art Unit 3658 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Jason R Holloway (94.0%, 151 resolved), Ramon A Mercado (92.3%, 52 resolved), Michael C Zarroli (91.8%, 194 resolved).

Which examiners in Art Unit 3658 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: William J Kelleher (26.5%, 68 resolved), Shaheda Shabnam Hoque (49.1%, 53 resolved), Troy Chambers (51.3%, 39 resolved).

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