Prosecution Insights
Last updated: October 02, 2026

Examiner: CHEN, QING

Tech Center 4100 • Art Units: 2191 2663 2857 4100

This examiner grants 80% of resolved cases

Analysis

Qing Chen, an examiner in Tech Center 4100 and Art Unit 2191, has 701 resolved cases. The allowance rate is 80.2%, which is very high. The median days to allowance is 1151, showing a standard timeline for successful prosecution. This 1151-day duration is a key metric for applicants in Art Unit 2191. The 80.2% rate suggests a high probability of success for well-prepared applications.

The interview lift is 53.0%, which is very high. This indicates that interviews are extremely effective at moving cases toward allowance, even with an 80.2% baseline. In Tech Center 4100, the 1151-day median pendency is a standard expectation. The 701 resolved cases provide a strong foundation for these metrics. The 53.0% lift is one of the most impactful figures in this profile.

Applicants should prioritize interviews given the 53.0% lift. The 80.2% allowance rate and 1151-day median to allowance are very favorable. With 701 resolved cases, this examiner's profile is very strong for applicants. Practitioners in Art Unit 2191 should use the 53.0% lift to navigate the 1151-day timeline more successfully.

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

Performance Statistics

80.2%
Allow Rate
+20.2% vs TC avg
720
Total Applications
+53.0%
Interview Lift
1151
Avg Prosecution Days
Based on 701 resolved cases, 2023–2026

Rejection Statute Breakdown

18.1%
§101 Eligibility
10.7%
§102 Novelty
41.8%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18806516 MODEL VALIDATION AS A SERVICE Non-Final OA Wells Fargo Bank, N.A.
18934591 CONTROL DEVICE, CONTROL METHOD, AND NON-TRANSITORY STORAGE MEDIUM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18572936 MACHINE LEARNING MODEL IMPROVEMENT MEASURE PRESENTING APPARATUS Non-Final OA NEC Corporation
18798081 METHODS AND SYSTEMS FOR MONITORING COMPUTING PROCESSES Non-Final OA Capital One Services, LLC
18728508 Device Management System and Program Management Method Thereof Non-Final OA LG Energy Solution, Ltd.
18911167 AUTOMATED CODE GENERATION USING LARGE LANGUAGE MODELS FOR SOFTWARE PLATFORM INTEGRATIONS WITH COMPUTING SERVICES Non-Final OA PAYPAL, INC.
18622634 IMPROVED FIRMWARE UPDATE WITH REDUCED IMPACT FOR WORKFLOW APPLICATIONS Final Rejection MICROSOFT TECHNOLOGY LICENSING, LLC
18271110 ROBOT TEACHING DEVICE AND PROGRAM FOR GENERATING ROBOT PROGRAM Final Rejection FANUC CORPORATION
18628455 SEAMLESSLY IMPLEMENTING CODE MODULE UPDATES Non-Final OA International Business Machines Corporation
18193690 GENERATING REFERENTIAL ARTIFICIAL INTELLIGENCE FUNCTIONALITY FOR INTUITIVELY TAGGING INFRASTRUCTURE Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18549179 SOFTWARE PERFORMANCE VERIFICATION SYSTEM AND SOFTWARE PERFORMANCE VERIFICATION METHOD Final Rejection Hitachi, Ltd.
18910465 SOFTWARE BILL OF MATERIALS COMPONENT USAGE Non-Final OA Cisco Technology, Inc.
18429068 Processor Environment Architecture Agnostic Firmware Update Management Operation Final Rejection Dell Products L.P.
18605137 Software Installation Using Mounted File System Non-Final OA Arista Networks, Inc.
18653517 DYNAMICALLY UPGRADING A MODEM Non-Final OA Charter Communications Operating, LLC
18653102 CONTROL DEVICE, CONTROL SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM Non-Final OA Yazaki Corporation

Facing This Examiner?

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

Build Your Strategy

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