Prosecution Insights
Last updated: October 02, 2026

Examiner: VU, PHU

Tech Center 2800 • Art Units: 2871

This examiner grants 85% of resolved cases

Analysis

Phu Vu is an examiner in Tech Center 2800, specifically Art Unit 2871. The examiner has handled 1017 resolved cases. The allowance rate is 85.3 percent. This high rate suggests a strong likelihood of success for applicants. Practitioners can approach prosecution with this examiner with a positive outlook regarding the probability of a grant.

The interview lift is 9.8 percent. This indicates that interviews provide a helpful boost to the 85.3 percent allowance rate. Practitioners should consider the examiner's openness to discussion to resolve rejections and advance the application. The data suggests that verbal communication in Art Unit 2871 is a beneficial tool for reaching a successful outcome.

The median days to allowance is 802. This timeline is relatively short, reflecting an efficient prosecution process. With 1017 resolved cases, the examiner has a significant track record in Tech Center 2800. This combination of a high allowance rate and fast pendency is beneficial for applicants seeking timely patent protection.

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

Performance Statistics

85.3%
Allow Rate
+17.3% vs TC avg
1,036
Total Applications
+9.8%
Interview Lift
802
Avg Prosecution Days
Based on 1017 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
29.3%
§102 Novelty
58.7%
§103 Obviousness
3.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18975006 Interconnections for Tunable Lens Systems Non-Final OA Apple Inc.
18764984 WRITABLE DEVICE Non-Final OA InnoLux Corporation
19023967 LIQUID CRYSTAL ELEMENT Non-Final OA Magnolia White Corporation
18954090 Display Device and Electronic Device Non-Final OA Semiconductor Energy Laboratory Co., Ltd.
18725268 LIGHT DETECTING DEVICE AND ELECTRONIC DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18438110 MULTIPLANE NANOPHOTONIC VOXEL ENGINE Non-Final OA Massachusetts Institute of Technology
19008209 OPTICAL IMAGING SYSTEM Non-Final OA Samsung Electro-Mechanics Co., Ltd.
18522775 LENS ASSEMBLY Final Rejection SAMSUNG ELECTRO-MECHANICS CO., LTD.
19046525 DISPLAY APPARATUS Non-Final OA Coretronic Corporation
18922524 OPTICAL FILTER Final Rejection AGC Inc.
18439947 ABNORMALITY DETECTION METHOD AND ACTUATOR DEVICE Non-Final OA HAMAMATSU PHOTONICS K.K.
18439238 Semi-Transparent Mirror Non-Final OA Vitro Flat Glass LLC

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