Prosecution Insights
Last updated: October 27, 2026

Chao Wang, USPTO Patent Examiner

Listed by the USPTO as WANG, CHAO

Tech Center 2400 • Art Units: 2431 2439

This examiner grants 81% of resolved cases

Analysis

WANG, CHAO works in Tech Center 2400 and Art Unit 2431. His record covers 151 resolved cases, with an 80.8% allowance rate and a median of 997 days to allowance. The figures show that most resolved matters reached allowance, while the median timing indicates a prosecution period of more than two years.

The interview lift is 81.2%, indicating a very strong positive association between interviews and allowance in the recorded matters. The leading companies are NEC Corporation, Huawei Technologies Co., Ltd., and Panasonic Holdings Corporation. The leading firms are AMIN, TUROCY & WATSON, LLP, Gardner, Linn, Burkhart & Ondersma LLP, and Getech Law LLC. Interview preparation should be a central element of prosecution planning, supported by precise written follow-up.

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

Performance Statistics

80.8%
Allow Rate
+22.8% vs TC avg
179
Total Applications
+81.2%
Interview Lift
997
Avg Prosecution Days
Based on 151 resolved cases, 2023–2026

Rejection Statute Breakdown

13.9%
§101 Eligibility
5.5%
§102 Novelty
73.0%
§103 Obviousness
2.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18809613 DISPLAY DEVICE, DISPLAY METHOD, AND RECORDING MEDIUM Final Rejection NEC Corporation
19252830 COMMUNICATION METHOD AND COMMUNICATION APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18972449 SECURITY MONITORING DEVICE, SECURITY MONITORING METHOD, AND RECORDING MEDIUM Final Rejection Panasonic Intellectual Property Management Co., Ltd.
18211582 SECURE PROMPT RECOMMENDATION USING REVERSE ENGINEERING SECURITY PROMPTS Non-Final OA MICROSOFT TECHNOLOGY LICENSING, LLC
18542294 SYSTEMS AND METHODS FOR MANAGING SOFTWARE SECURITY Final Rejection Palantir Technologies Inc.
18787265 Secure Communications Including Secure Channel Multiplexing Non-Final OA Infineon Technologies AG
17219484 GENERATION OF A CAUSALITY TREE REPRESENTATION OF THREAT ANALYSIS REPORT DATA Non-Final OA Palo Alto Networks, Inc.

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Frequently Asked Questions

What is examiner Chao Wang's allowance rate?

80.8% of resolved applications examined by Chao Wang were allowed (151 resolved cases), compared with 76.5% across Art Unit 2431 over the last five years.

Does an interview help with examiner Chao Wang?

This examiner's interview lift is +81.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Chao Wang take to allow a patent?

Applications allowed by Chao Wang took 997 days on average from filing to allowance.

Which art unit does examiner Chao Wang work in?

Chao Wang examines applications in Art Unit 2431 in Tech Center 2400 (Networking & Security).

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