Prosecution Insights
Last updated: October 26, 2026

Shelley Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, SHELLEY

Tech Center 3600 • Art Units: 3661 3663 3665 3667

This examiner grants 66% of resolved cases

Analysis

CHEN, SHELLEY is a USPTO patent examiner in tech center 3600 and art unit 3661. The profile reports 542 resolved cases, a 66.2% allowance rate, and a median of 1237 days to allowance. The interview lift is 20.4%, indicating a positive interview-associated difference within a substantial examination record.

The listed companies are Great Plains Manufacturing Inc., Deere & Company, and CNH Industrial N.V. The listed firms are Hovey Williams LLP, PDSD LAW, and ARENTFOX SCHIFF LLP. The data supports planning for the recorded prosecution duration and incorporating interviews into response strategy when the substantive issues make discussion useful.

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

Performance Statistics

66.2%
Allow Rate
+14.2% vs TC avg
566
Total Applications
+20.4%
Interview Lift
1237
Avg Prosecution Days
Based on 542 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
17.2%
§102 Novelty
66.9%
§103 Obviousness
11.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18340412 METHOD AND APPARATUS FOR NAVIGATION WITH GNSS-INS-EO SENSOR FUSION Final Rejection Samsung Electronics Co., Ltd.
19211860 HUMAN-MACHINE INTERFACE FOR ANTI-INCURSION SYSTEMS AND METHODS Non-Final OA Airbus Operations (S.A.S.)
18757859 AGRICULTURAL HEADER TRANSPORT SYSTEM Final Rejection Deere & Company
18644923 OBSTACLE AVOIDANCE BY AUTOMATICALLY SHIFTING A GUIDANCE LINE Non-Final OA Deere & Company
18694927 OPTIMIZED DIAGNOSTIC MODEL USING VEHICLE DATA Final Rejection CUMMINS INC.

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Frequently Asked Questions

What is examiner Shelley Chen's allowance rate?

66.2% of resolved applications examined by Shelley Chen were allowed (542 resolved cases), compared with 77.3% across Art Unit 3661 over the last five years.

Does an interview help with examiner Shelley Chen?

This examiner's interview lift is +20.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Shelley Chen took 1,237 days on average from filing to allowance.

Which art unit does examiner Shelley Chen work in?

Shelley Chen examines applications in Art Unit 3661 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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