Prosecution Insights
Last updated: October 26, 2026

Toan H Vu, USPTO Patent Examiner

Listed by the USPTO as VU, TOAN H

Tech Center 2100 • Art Units: 2141 2174 2177 2178

This examiner grants 78% of resolved cases

Analysis

VU, TOAN H works in Tech Center 2100 and Art Unit 2141. The profile shows 440 resolved cases, a 77.5% allowance rate, and a median of 1113 days to allowance. The interview lift is 20.3%, supporting the use of targeted examiner discussions when they can clarify claim scope or advance resolution.

NEC Corporation, Apple Inc., and Sony Group Corporation are the leading companies. The listed firms are CHIP LAW GROUP, Kim & Stewart LLP- Toshiba, and MBHB - ServiceNow, Inc. Counsel may use the record to set expectations around a favorable allowance rate while planning for the median prosecution duration.

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

Performance Statistics

77.5%
Allow Rate
+22.5% vs TC avg
454
Total Applications
+20.3%
Interview Lift
1113
Avg Prosecution Days
Based on 440 resolved cases, 2023–2026

Rejection Statute Breakdown

12.0%
§101 Eligibility
23.2%
§102 Novelty
52.3%
§103 Obviousness
5.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18903706 GENERATING AN IMAGE FROM A PROMPT CONSTRUCTED USING A PROMPT GUIDING INTERFACE Non-Final OA Apple Inc.
18834892 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM Non-Final OA SONY GROUP CORPORATION
18749824 LEARNING SYSTEM OF MACHINE LEARNING MODEL FOR PREDICTION OF PEDESTRIAN TRAFFIC Non-Final OA NEC Corporation
18746289 LEARNING SYSTEM OF MACHINE LEARNING MODEL FOR PREDICTION OF STAY LENGTH IN HOSPITAL Non-Final OA NEC Corporation
18746171 LEARNING SYSTEM OF MACHINE LEARNING MODEL FOR CLASSIFICATION OF SICKNESS Non-Final OA NEC Corporation
18824933 WIDGET DISPLAY METHOD AND ELECTRONIC DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18822955 CONTROLLING PRESENTATIONS IN VIDEO CONFERENCES Non-Final OA Zoom Video Communications, Inc.

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Frequently Asked Questions

What is examiner Toan H Vu's allowance rate?

77.5% of resolved applications examined by Toan H Vu were allowed (440 resolved cases), compared with 26.4% across Art Unit 2141 over the last five years.

Does an interview help with examiner Toan H Vu?

This examiner's interview lift is +20.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Toan H Vu take to allow a patent?

Applications allowed by Toan H Vu took 1,113 days on average from filing to allowance.

Which art unit does examiner Toan H Vu work in?

Toan H Vu examines applications in Art Unit 2141 in Tech Center 2100 (Computing & Software).

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