Prosecution Insights
Last updated: October 27, 2026

Chau T Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, CHAU T

Tech Center 2100 • Art Units: 2145 2147 2176 2177

This examiner grants 68% of resolved cases

Analysis

NGUYEN, CHAU T is assigned to Technology Center 2100 and Art Unit 2145. The record includes 566 resolved cases and an allowance rate of 67.7%. Applicants therefore have a meaningful path to allowance, but the outcome does not remove the need for careful claim drafting and responsive prosecution. The median time to allowance is 1448 days, making this profile particularly relevant to applicants managing long product or licensing timelines.

The interview lift is 31.3%, indicating a strong association between interviews and allowance outcomes. Practitioners may want to consider interviews early enough to influence claim strategy, particularly where technical distinctions are difficult to convey in writing. The leading companies are Robert Bosch GmbH, Huawei Technologies Co., Ltd., and DocuSign Inc. Leading firms are Maginot, Moore & Beck LLP, Artegis Law Group, LLP, and BALLARD SPAHR LLP.

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

Performance Statistics

67.7%
Allow Rate
+12.7% vs TC avg
597
Total Applications
+31.3%
Interview Lift
1448
Avg Prosecution Days
Based on 566 resolved cases, 2023–2026

Rejection Statute Breakdown

15.3%
§101 Eligibility
15.4%
§102 Novelty
49.5%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17748226 TRACE REPRESENTATION LEARNING Non-Final OA Oracle International Corporation
18303885 Named Entity Recognition System based on Enhanced Label Embedding and Curriculum Learning Final Rejection Robert Bosch GmbH
18044691 A Method of Training a Submodule and Preventing Capture of an AI Module Non-Final OA Robert Bosch GmbH
18376556 SYSTEMS AND METHODS FOR DETERMINING A COMPUTING SYSTEM’S CURRENT STATE BY IMPLEMENTING STATE MACHINES AND KNOWLEDGE GRAPHS IN AN ELECTRONIC ENVIRONMENT Non-Final OA BANK OF AMERICA CORPORATION
18191568 SPLIT-SCREEN DISPLAY CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18097009 MACHINE LEARNING BASED PREDICTION OF DOCUMENT METADATA Final Rejection DocuSign, Inc.
18316256 EFFICIENT, SECURE AND LOW-COMMUNICATION VERTICAL FEDERATED LEARNING METHOD Final Rejection ZHEJIANG UNIVERSITY
18411428 SHARED SCREEN TOOLS FOR COLLABORATION Non-Final OA Salesforce, Inc.
18329904 MULTI-MODAL REPRESENTATION LEARNING FOR ELECTRONIC DATA INTERCHANGE AND TEXT Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18525413 NEURAL NETWORK PROCESSING Non-Final OA Arm Limited

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Chau T Nguyen's allowance rate?

67.7% of resolved applications examined by Chau T Nguyen were allowed (566 resolved cases), compared with 52.6% across Art Unit 2145 over the last five years.

Does an interview help with examiner Chau T Nguyen?

This examiner's interview lift is +31.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chau T Nguyen take to allow a patent?

Applications allowed by Chau T Nguyen took 1,448 days on average from filing to allowance.

Which art unit does examiner Chau T Nguyen work in?

Chau T Nguyen examines applications in Art Unit 2145 in Tech Center 2100 (Computing & Software).

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