Prosecution Insights
Last updated: October 01, 2026

Examiner: BUI, PHUONG T

Tech Center 1600 • Art Units: 1638 1663

This examiner grants 81% of resolved cases

Analysis

Phuong T. Bui serves in Tech Center 1600 and Art Unit 1638. She has a record of 1198 resolved cases, resulting in an allowance rate pct of 81.2. This percentage shows that the majority of applications she reviews reach allowance. The median days to allowance for these cases is 871, providing an efficient timeline for the prosecution cycle from filing to grant. This 871 median days to allowance is a key benchmark.

The interview lift pct of 23.2 is a notable metric. It indicates that interviews are effective and correlate with an increase in the probability of allowance. For practitioners in Art Unit 1638, the 23.2 interview lift pct highlights the value of oral advocacy in resolving rejections and securing a grant from the 1198 resolved cases. This lift is a strong indicator of examiner receptivity.

The 81.2 allowance rate pct and the 871 median days to allowance define a favorable environment for applicants. The 23.2 interview lift pct provides a tool for further improving success. Applicants should consider the 1198 resolved cases as evidence of a consistent examination style where interviews play a key role in achieving the 81.2 allowance rate pct in Tech Center 1600.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

81.2%
Allow Rate
+21.2% vs TC avg
1,230
Total Applications
+23.2%
Interview Lift
871
Avg Prosecution Days
Based on 1198 resolved cases, 2023–2026

Rejection Statute Breakdown

9.8%
§101 Eligibility
22.0%
§102 Novelty
15.4%
§103 Obviousness
45.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18032046 MELON PLANTS WITH MATURITY INDICATOR Non-Final OA Syngenta Crop Protection AG
17383580 TERMINATOR SEQUENCE FOR GENE EXPRESSION IN PLANTS Non-Final OA PIONEER HI-BRED INTERNATIONAL, INC.
19201334 TOMATO HYBRID SVTM9033 AND PARENTS THEREOF Non-Final OA Seminis Vegetable Seeds, Inc.
19200405 PEPPER HYBRID SVPS7935 AND PARENTS THEREOF Non-Final OA Seminis Vegetable Seeds, Inc.
19071453 SWEET CORN HYBRID SVSC3795 Non-Final OA Seminis Vegetable Seeds, Inc.
18917584 PEPPER HYBRID SVPB3274 AND PARENTS THEREOF Non-Final OA Seminis Vegetable Seeds, Inc.
18917545 SWEET CORN HYBRID SVSK4540 AND PARENTS THEREOF Non-Final OA Seminis Vegetable Seeds, Inc.
18906078 TOMATO HYBRID SVTM9027 AND PARENTS THEREOF Non-Final OA Seminis Vegetable Seeds, Inc.
18496162 TOMATO HYBRID SVTE8839 AND PARENTS THEREOF Final Rejection Seminis Vegetable Seeds, Inc.
18579325 EXTRACHROMOSOMAL CIRCULAR DNA AS AN IMMUNOSTIMULANT AND BIOMARKER FOR DISEASE Non-Final OA Children's Medical Center Corporation
18919922 ENHANCED DISEASE RESISTANCE IN PLANTS Non-Final OA CORNELL UNIVERSITY
18184606 PLANTS WITH MODIFIED TRAITS Final Rejection Commonwealth Scientific and Industrial Research Organisation

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