Prosecution Insights
Last updated: October 02, 2026

Examiner: CHOI, MICHAEL W

Tech Center 4100 • Art Units: 2116 2119 2121 2129 2835 3642 3652 4100

This examiner grants 77% of resolved cases

Analysis

Michael W Choi is an examiner in Tech Center 4100 and Art Unit 2116. The examiner has 382 resolved cases and an allowance rate of 77.2%. This high rate indicates a favorable environment for applicants, with more than three-quarters of cases resulting in a grant. The median days to allowance is 1003, providing a clear expectation of the time required to reach a successful conclusion in this technical area.

The interview lift is 30.1%, which is a significant increase in the probability of success. This figure indicates that conducting an interview is a highly effective strategy, raising the chances of allowance well above the 77.2% baseline. The 30.1% lift suggests that the examiner is very receptive to direct communication and that interviews are a powerful tool for resolving rejections and clarifying claims in Art Unit 2116.

In Tech Center 4100, the 382 resolved cases provide a solid foundation for these statistics. The 77.2% allowance rate and 1003 median days to allowance are key indicators for practitioners. The 30.1% interview lift stands out as a strong recommendation for applicants to engage the examiner directly to maximize their chances of a favorable and efficient outcome during the prosecution process.

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

Performance Statistics

77.3%
Allow Rate
+17.3% vs TC avg
406
Total Applications
+29.9%
Interview Lift
1003
Avg Prosecution Days
Based on 383 resolved cases, 2023–2026

Rejection Statute Breakdown

12.6%
§101 Eligibility
17.8%
§102 Novelty
47.9%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18895988 FAN CONTROL FOR HEADSET COMPUTING DEVICE Non-Final OA Apple Inc.
18762839 Computer-Implemented Method for Determining an Energy Load Distribution in a System Non-Final OA ABB Schweiz AG
18527613 Validation Logic for OPC UA Connected Devices Final Rejection ABB Schweiz AG
18626127 BUILDING AUTOMATION SYSTEM WITH AUTOMATED SEQUENCING FOR MANAGERLESS TWINNING AND METHOD THEREOF Final Rejection Tyco Fire & Security GmbH
18854564 DISTRIBUTED POWER SUPPLY INTEGRATION MANAGEMENT DEVICE AND POWER SYSTEM Non-Final OA Mitsubishi Electric Corporation
18262308 DIAGNOSIS APPARATUS AND DIAGNOSIS METHOD Non-Final OA Mitsubishi Electric Corporation
18704226 AIR CONDITIONER AND AIR CONDITIONING SYSTEM Final Rejection FUJITSU GENERAL LIMITED
18776627 SMART TRANSFER SYSTEM AND METHOD FOR PERFORMING 3D PRINTING OUTPUT POST-PROCESSING AND LOADING PROCESSES Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18283334 Causal Analysis of an Anomaly Based on Simulated Symptoms Non-Final OA Siemens Aktiengesellschaft
18487086 Heat management in network switch Non-Final OA MELLANOX TECHNOLOGIES, LTD.
18420783 INTELLIGENT MANUFACTURING EXECUTION SYSTEM (MES) FOR BATTERY MANUFACTURING WITH AUTONOMOUS SYSTEMS Non-Final OA HONEYWELL INTERNATIONAL INC.
18390571 SHOVEL Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
18820544 DETECTING SYSTEMS IN BAGS Non-Final OA Dell Products L.P.
18907417 SYSTEMS AND METHODS FOR REDUCING TEMPERATURE OVERSHOOT OF A HEATING, VENTILATION, AND AIR CONDITIONING SYSTEM Non-Final OA Rheem Manufacturing Company
18042712 MAPPING ACOUSTIC PROPERTIES IN AN ENCLOSURE Final Rejection View, Inc.

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