Prosecution Insights
Last updated: October 27, 2026

George Yung Chieh Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, GEORGE YUNG CHIEH

Tech Center 4100 • Art Units: 1741 3628 3667 3753 4187

This examiner grants 49% of resolved cases

Analysis

CHEN, GEORGE YUNG CHIEH is a USPTO patent examiner in tech center 4100 and art unit 1741. The record contains 460 resolved cases, an allowance rate of 49.1%, and a median of 1520 days to allowance. The interview lift is 35.6%, showing that interviews are associated with a materially different outcome in this profile.

The listed companies are Mitsubishi Electric Corporation, Simpler Postage Inc., and Alibaba Group Holding Limited. The listed firms are SCHOX PC, Xsensus, and Alleman Hall LLP. Practitioners should account for the recorded timing and allowance outcome when setting client expectations, while considering interviews as a potentially useful prosecution tool.

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

Performance Statistics

49.1%
Allow Rate
-10.9% vs TC avg
489
Total Applications
+35.6%
Interview Lift
1520
Avg Prosecution Days
Based on 460 resolved cases, 2023–2026

Rejection Statute Breakdown

30.7%
§101 Eligibility
9.6%
§102 Novelty
41.9%
§103 Obviousness
13.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19290643 INFORMATION PROCESSING DEVICE Non-Final OA Mitsubishi Electric Corporation
18880289 PROGRAMMABLE CONTROLLER Non-Final OA Mitsubishi Electric Corporation
18292925 INFORMATION PROCESSING APPARATUS, NON-TRANSITORY COMPUTER-READABLE MEDIUM, AND INFORMATION PROCESSING METHOD Non-Final OA Mitsubishi Electric Corporation
18956310 Method and Control Device for Controlling an Irradiation in a Manufacturing Process for the Additive Manufacturing of Objects Non-Final OA EOS GMBH ELECTRO OPTICAL SYSTEMS

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Frequently Asked Questions

What is examiner George Yung Chieh Chen's allowance rate?

49.1% of resolved applications examined by George Yung Chieh Chen were allowed (460 resolved cases), compared with 52.1% across Art Unit 1741 over the last five years.

Does an interview help with examiner George Yung Chieh Chen?

This examiner's interview lift is +35.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner George Yung Chieh Chen take to allow a patent?

Applications allowed by George Yung Chieh Chen took 1,520 days on average from filing to allowance.

Which art unit does examiner George Yung Chieh Chen work in?

George Yung Chieh Chen examines applications in Art Unit 1741 in Tech Center 4100.

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