Prosecution Insights
Last updated: October 26, 2026

Jianchun Qin, USPTO Patent Examiner

Listed by the USPTO as QIN, JIANCHUN

Tech Center 2800 • Art Units: 2655 2800 2832 2837

This examiner grants 69% of resolved cases

Analysis

QIN, JIANCHUN is assigned to Tech Center 2800 and Art Unit 2655, with 1033 resolved cases. The profile shows a 69.3% allowance rate, a 14.3% interview lift, and a median of 914 days to allowance. The substantial case history supports using these figures as a useful description of recurring prosecution outcomes.

Yamaha Corporation, Roland Corporation, and KONE Corporation are the leading companies. JCIPRNET, Rossi, Kimms & McDowell LLP, and Womble Bond Dickinson US LLP are the leading firms. The relatively short median time to allowance supports active docket management and timely response planning.

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

Performance Statistics

69.3%
Allow Rate
+1.3% vs TC avg
1,060
Total Applications
+14.3%
Interview Lift
914
Avg Prosecution Days
Based on 1033 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
32.8%
§102 Novelty
52.6%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18572170 SONG GENERATION METHOD, APPARATUS AND SYSTEM, AND STORAGE MEDIUM Non-Final OA Lemon Inc.
18078062 SYSTEM AND METHOD FOR MASKING PERIODIC NOISE Final Rejection Kia Corporation
18060469 CONTROL METHOD AND APPARATUS FOR WIRELESS SMART WEARABLE DEVICE AND STORAGE MEDIUM Non-Final OA Beijing Xiaomi Mobile Software Co., Ltd.
18200477 MUSIC DATA ANALYSIS APPARATUS AND METHOD USING TOPOLOGICAL DATA ANALYSIS, AND MUSIC DATA GENERATION APPARATUS USING THE SAME Non-Final OA POSTECH Research and Business Development Foundation

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Frequently Asked Questions

What is examiner Jianchun Qin's allowance rate?

69.3% of resolved applications examined by Jianchun Qin were allowed (1,033 resolved cases), compared with 60.9% across Art Unit 2655 over the last five years.

Does an interview help with examiner Jianchun Qin?

This examiner's interview lift is +14.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jianchun Qin take to allow a patent?

Applications allowed by Jianchun Qin took 914 days on average from filing to allowance.

Which art unit does examiner Jianchun Qin work in?

Jianchun Qin examines applications in Art Unit 2655 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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