Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, CHAU T

Tech Center 2100 • Art Units: 2145 2147 2176 2177

This examiner grants 68% of resolved cases

Analysis

Chau T. Nguyen is an examiner in Tech Center 2100 and Art Unit 2145. The data for this profile is based on 562 resolved cases. The allowance rate is 68.0 percent, which serves as the baseline probability of success for applications in this portfolio. This rate provides a benchmark for practitioners to evaluate the likelihood of a grant when filing in this unit.

The median days to allowance is 1450. This figure represents the time required for an application to reach a grant. Practitioners can use the 1450-day timeline to manage client expectations regarding the duration of the prosecution process. This duration reflects the pace of work for the 562 resolved cases concluded by the examiner.

The interview lift is 30.8 percent. This metric indicates the increase in the allowance rate when an interview is conducted. When compared to the 68.0 percent allowance rate, the 30.8 percent lift suggests that oral advocacy is a productive tool for resolving outstanding issues. For matters in Art Unit 2145, the data indicates that interviews are associated with a higher likelihood of moving a case toward allowance.

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

Performance Statistics

67.9%
Allow Rate
+12.9% vs TC avg
592
Total Applications
+30.5%
Interview Lift
1449
Avg Prosecution Days
Based on 563 resolved cases, 2023–2026

Rejection Statute Breakdown

15.3%
§101 Eligibility
15.4%
§102 Novelty
49.6%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17856569 METHOD AND SYSTEM FOR SEARCHING DEEP NEURAL NETWORK ARCHITECTURE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18191568 SPLIT-SCREEN DISPLAY CONTROL METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18303885 Named Entity Recognition System based on Enhanced Label Embedding and Curriculum Learning Final Rejection Robert Bosch GmbH
18229485 PROVISIONAL SELECTION DRIVES EDIT SUGGESTION GENERATION Final Rejection Microsoft Technology Licensing, LLC
18329904 MULTI-MODAL REPRESENTATION LEARNING FOR ELECTRONIC DATA INTERCHANGE AND TEXT Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18411428 SHARED SCREEN TOOLS FOR COLLABORATION Non-Final OA Salesforce, Inc.
18060330 PLATFORM AND ARCHITECTURE FOR DISTRIBUTING CONTENT INFORMATION Final Rejection NETFLIX, INC.
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
18525413 NEURAL NETWORK PROCESSING Non-Final OA Arm Limited
17960019 MALLEABLE CONFIDENCE MODELS AND MACHINE LEARNING PREDICTION Final Rejection The Aerospace Corporation

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