Prosecution Insights
Last updated: October 26, 2026

Wuji Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, WUJI

Tech Center 2400 • Art Units: 2449 2454 2456 2498

This examiner grants 72% of resolved cases

Analysis

CHEN, WUJI works in tech center 2400 and art unit 2449, with 253 resolved cases. The allowance rate is 71.5%, and the median time to allowance is 1126 days. Interview participation is associated with a 37.6% lift, making examiner interviews a notable part of prosecution planning for this docket.

The company record includes Canon Inc., Google LLC, and ORACLE INTERNATIONAL Corporation. The leading firms are CHERNOFF, VILHAUER, MCCLUNG & STENZEL, LLP, FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, and FISH & RICHARDSON P.C. (TC). Practitioners should combine interview use with claim development suited to this technology center.

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

Performance Statistics

71.5%
Allow Rate
+13.5% vs TC avg
279
Total Applications
+37.6%
Interview Lift
1126
Avg Prosecution Days
Based on 253 resolved cases, 2023–2026

Rejection Statute Breakdown

7.2%
§101 Eligibility
10.1%
§102 Novelty
67.3%
§103 Obviousness
9.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17950162 COMMUNICATION APPARATUS, CONTROL METHOD, STORAGE MEDIUM, AND COMMUNICATION METHOD Non-Final OA CANON KABUSHIKI KAISHA
18902159 Semi-Automated Deployment For An Intra-Service Communication Infrastructure Final Rejection Oracle International Corporation
19015207 Fair Data Packet Delivery on Computing Platforms Final Rejection Google LLC
18818919 NEGOTIATION FOR QUALITY OF SERVICE TRAFFIC CLASSIFICATION AND POLICY SETTING FOR UPLINK AND DOWNLINK FLOWS Non-Final OA Cisco Technology, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Wuji Chen's allowance rate?

71.5% of resolved applications examined by Wuji Chen were allowed (253 resolved cases), compared with 61.1% across Art Unit 2449 over the last five years.

Does an interview help with examiner Wuji Chen?

This examiner's interview lift is +37.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Wuji Chen take to allow a patent?

Applications allowed by Wuji Chen took 1,126 days on average from filing to allowance.

Which art unit does examiner Wuji Chen work in?

Wuji Chen examines applications in Art Unit 2449 in Tech Center 2400 (Networking & Security).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month