Prosecution Insights
Last updated: October 25, 2026

USPTO Art Unit 2618: Examiners and Allowance Rates

124 examiners • 12 with pending office actions • Communications (Tech Center 2600)

Art unit baseline (last 5 years, 1,903 dispositions): 57% allowance rate
ExaminerAllowance rateResolved casesPending apps
Long D Pham100.0%570
David Peter Zarka100.0%90
Erica Geraldine Therkorn100.0%311
Kwang B Lee100.0%30
Walter Kevin Dreksler100.0%20
Janelle N Young100.0%20
Edan Orgad100.0%10
Julie Ko Jeon100.0%10
Isabella Paige Ochsner100.0%112
Eric Rush100.0%10
Thuy N Pardo98.6%710
Roy P Rabindranath97.6%410
Gordon G Liu97.3%11326
Brent D Castiaux94.9%590
Ram A Mistry94.7%380
Sanghyuk Park94.5%550
Jeffrey J Chow93.8%6418
Grace Q Li92.9%9811
Adam J Snyder91.9%740
Phuc N Doan90.6%325
Pegeman Karimi90.0%400
Kwang-Su Yang89.8%590
Jonathan M Blancha88.6%440
Sonny Trinh88.4%2850
John J Lee88.3%3330
Donna J Ricks88.0%8315
Tan H Trinh87.8%2790
Ming Han Wu87.8%8223
Yuehan Wang87.2%860
Robert J Craddock85.8%33212
Jacinta M Crawford85.8%3510
Adeel Haroon85.7%140
Tilahun Gesesse85.4%2810
Sanh D Phu85.2%2830
Nhan T Le85.1%2880
Keith Ferguson85.1%1940
Lee Nguyen84.9%2910
Philip Sobutka83.7%1840
Shaima Q Aminzay83.6%1650
Marceau Milord83.6%2680
Nguyen H Truong83.3%420
Ngan T Pham Lu83.3%120
Thanh C Le82.3%1980
Tu X Nguyen82.2%1800
Diane M Wills82.2%1010
Minh D Dao81.8%2800
Tuan Hoang Nguyen81.7%3280
Tuan A Tran81.7%2130
Yuzhen Shen81.6%760
Quochien B Vuong80.7%1870
Pablo N Tran78.9%1090
Eugene Yun78.5%2230
Devona E Faulk77.8%91
Jason A Pringle-Parker77.7%2640
Jwalant B Amin76.3%2530
Blane J Jackson75.8%2520
Simon Nguyen74.4%3090
Vu Nguyen74.1%270
Anh Tuan V Nguyen74.0%1000
Tuan Pham73.2%2990
Duc M Nguyen72.4%2320
Terrell M Robinson72.3%1950
Nguyen Thanh Vo72.2%2050
Christian A Hannon71.1%2040
Lewis G West70.9%790
Dominic E Rego69.7%1850
Sujatha R Sharma69.4%1470
Phong X Nguyen69.3%2120
April Guzman Gonzales69.2%1720
Bobbak Safaipour68.6%1690
Barry T Drennan66.7%60
Andrew Wendell64.3%1680
Shivang I Patel62.6%1950
Schiller D Hill62.5%240
Yuwen Pan62.0%1370
Jin Cheng Wang61.3%4110
Cindy Huyen Trandai61.1%180
Ganiyu A Hanidu60.4%1060
Charles Chiang Chow60.0%300
Raymond S Dean59.7%2430
Jason M Mandeville59.6%520
Thuan T Nguyen58.3%240
Chung Tien Yang58.3%120
Golam Sorowar57.7%1040
Brian S Kravitz57.6%330
Fayyaz Alam56.4%1720
Rui Meng Hu55.6%1170
Ajibola A Akinyemi55.0%1600
Richard Chan54.9%1220
Diana S Hickey53.8%650
Khoa Vu53.5%1590
Junpeng Chen53.4%1630
Gennadiy Tsvey53.3%1200
Ping Y Hsieh53.3%1840
Hai V Nguyen52.9%1890
Wen Wu Huang52.1%1690
Angelica Perez51.4%1380
Ayodeji O Ayotunde51.4%740
Dan F Kalhori50.0%67
Chanh Duy Nguyen50.0%40
Aaron M Richer49.3%730
Adel Y Youssef47.3%550
Richard M Russell46.2%650
Stacey A Sorawat45.5%220
Paul P Tran45.2%1260
Md K Talukder44.4%180
Sohum S Kaji44.4%90
Andrew J Gill42.9%70
Amar A Daglawi41.9%430
Ankur Jain39.8%1030
Zhiyu Lu28.7%1360
David Bilodeau26.7%1010
Fanghwa Wang25.9%270
Erica L Fleming-Hall25.2%1190
Devan A Sandiford25.0%80
Hsinchun Liao23.1%780
Mark Woodall19.4%360
Edward F Urban16.7%60
Matthew D Anderson14.3%70
Fatuma G Sherif11.8%170
Duc Minh Nguyen0.0%170
Alejandro Rivero0.0%20
Logan David Neishloss0.0%20
Dune Ngoc Nguyen—09

Frequently Asked Questions

What is the allowance rate in USPTO Art Unit 2618?

57.3% over the last five years, across 1,903 resolved applications.

Which examiners in Art Unit 2618 have the highest allowance rates?

Among examiners with at least 30 resolved applications: Long D Pham (100.0%, 57 resolved), Thuy N Pardo (98.6%, 71 resolved), Roy P Rabindranath (97.6%, 41 resolved).

Which examiners in Art Unit 2618 have the lowest allowance rates?

Among examiners with at least 30 resolved applications: Mark Woodall (19.4%, 36 resolved), Hsinchun Liao (23.1%, 78 resolved), Erica L Fleming-Hall (25.2%, 119 resolved).

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