Prosecution Insights
Last updated: October 26, 2026

Joshua Nmn Chen, USPTO Patent Examiner

Listed by the USPTO as CHEN, JOSHUA NMN

Tech Center 2800 • Art Units: 2665 2682 2877

This examiner grants 82% of resolved cases

Analysis

CHEN, JOSHUA NMN is a USPTO patent examiner in tech center 2800 and art unit 2665. The record contains 57 resolved cases, an allowance rate of 82.5%, and a median of 1028 days to allowance. The interview lift is 32.3%, indicating a positive association between interviews and allowance outcomes in the available record.

The listed companies are Canon Inc., Sony Group Corporation, and Kubota Corporation. The listed firms are Bayramoglu Law Offices LLC, BUCHANAN, INGERSOLL & ROONEY PC, and HODGSON RUSS LLP. The limited case volume warrants caution, but the figures support giving interview preparation attention when developing a prosecution plan.

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

Performance Statistics

82.5%
Allow Rate
+14.5% vs TC avg
77
Total Applications
+32.3%
Interview Lift
1028
Avg Prosecution Days
Based on 57 resolved cases, 2023–2026

Rejection Statute Breakdown

17.0%
§101 Eligibility
15.0%
§102 Novelty
51.6%
§103 Obviousness
15.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18633744 MEDICAL IMAGE PROCESSING METHOD, MEDICAL IMAGE PROCESSING APPARATUS, AND STORAGE MEDIUM Final Rejection Canon Kabushiki Kaisha
18961169 HYBRID PRE AND POST PROCESSING Non-Final OA Sony Interactive Entertainment Europe Limited
18880861 CONTROLLABLE NO-REFERENCE DENOISING OF MEDICAL IMAGES Non-Final OA KONINKLIJKE PHILIPS N.V.
18799325 CALIBRATION METHOD AND CALIBRATION DEVICE Non-Final OA Koito Manufacturing Co., Ltd.

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Frequently Asked Questions

What is examiner Joshua Nmn Chen's allowance rate?

82.5% of resolved applications examined by Joshua Nmn Chen were allowed (57 resolved cases), compared with 68.0% across Art Unit 2665 over the last five years.

Does an interview help with examiner Joshua Nmn Chen?

This examiner's interview lift is +32.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joshua Nmn Chen take to allow a patent?

Applications allowed by Joshua Nmn Chen took 1,028 days on average from filing to allowance.

Which art unit does examiner Joshua Nmn Chen work in?

Joshua Nmn Chen examines applications in Art Unit 2665 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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