Prosecution Insights
Last updated: October 02, 2026

Examiner: LEE, MICHAEL CHRISTOPHER

Tech Center 4100 • Art Units: 2125 2128 2482 2655 4100

This examiner grants 62% of resolved cases

Analysis

Michael Christopher Lee is an examiner in Tech Center 4100 and Art Unit 2125. He has 159 resolved cases, providing a good sample size for analysis. His allowance rate is 62.3 percent, which is a solid metric for applicants. This 62.3 percent rate indicates that a majority of the applications he resolves result in a patent grant.

The interview lift for this examiner is 24.8 percent. This 24.8 percent figure is a significant increase, suggesting that interviews are a very effective strategy in Art Unit 2125. Practitioners should prioritize scheduling interviews to leverage this lift and improve their chances beyond the baseline. The 159 resolved cases show that he is receptive to the collaborative nature of the interview process.

The median days to allowance is 1212. This timeline is on the longer side, suggesting that prosecution typically takes a significant amount of time. Applicants should factor this 1212-day figure into their planning. While the 1212-day duration is long, the 24.8 percent interview lift offers a clear path to potentially ensuring a positive outcome in Tech Center 4100.

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

Performance Statistics

62.5%
Allow Rate
+2.5% vs TC avg
199
Total Applications
+25.1%
Interview Lift
1211
Avg Prosecution Days
Based on 160 resolved cases, 2023–2026

Rejection Statute Breakdown

30.1%
§101 Eligibility
9.7%
§102 Novelty
46.5%
§103 Obviousness
12.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18168234 INFORMATION PROCESSING METHOD, APPARATUS, ELECTRONIC DEVICE, STORAGE MEDIUM AND PROGRAM PRODUCT Non-Final OA Samsung Electronics Co., Ltd.
17514840 METHOD AND APPARATUS FOR ANALYZING NEURAL NETWORK PERFORMANCE Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18209183 METHOD FOR TRAINING AT LEAST ONE ARTIFICIAL INTELLIGENCE MODEL FOR ESTIMATING THE WEIGHT OF AN AIRCRAFT DURING FLIGHT BASED ON USE DATA Non-Final OA AIRBUS HELICOPTERS
18394200 CLASSIFYING CUSTOMER EXPERIENCE SENTIMENT USING MACHINE LEARNING Final Rejection AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC.
18677962 RISK EVALUATION DEVICE, DATA PROTECTION DEVICE, AND RISK EVALUATION METHOD Non-Final OA NEC Corporation
18289137 INFORMATION PROCESSING APPARATUS, PREDICTION APPARATUS, MACHINE LEARNING METHOD, AND LEARNING PROGRAM Non-Final OA NEC Corporation
17511383 INTEGRATED CIRCUIT AND SENSOR DATA PROCESSING METHOD Non-Final OA HUAWEI TECHNOLOGIES CO.,LTD.
17766616 RE-RANKING RESULTS FROM SEMANTIC NATURAL LANGUAGE PROCESSING MACHINE LEARNING ALGORITHMS FOR IMPLEMENTATION IN VIDEO GAMES Non-Final OA GOOGLE LLC
17571761 SMART TEXT PARTITIONING FOR DETECTING SENSITIVE INFORMATION Final Rejection Capital One Services, LLC
18109538 METHOD AND SYSTEM FOR PROVIDING VIRTUAL ASSISTANT IN A MEETING Non-Final OA JPMorgan Chase Bank, N.A.
17854482 TIME-VARYING FEATURES VIA METADATA Non-Final OA Oracle International Corporation
18623569 FEDERATED LEARNING Non-Final OA Nokia Technologies Oy
18311672 MODEL DRIFT MANAGEMENT IN A MACHINE LEARNING ENVIRONMENT Final Rejection Microsoft Technology Licensing, LLC
17819519 SYSTEMS AND METHODS FOR A DEEP NEURAL NETWORK WITH COMBINED CROSS-ENTROPY AND FOCAL LOSS FOR COVID-19 DETECTION IN AUDIO SAMPLES Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18504214 APPARATUS FOR NON-DETERMINISTIC FUTURE STATE PREDICTION USING TIME SERIES DATA AND OPERATION METHOD THEREOF Non-Final OA ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18623383 UNLEARNING DATA FROM PRE-TRAINED MACHINE LEARNING MODELS WITHOUT CATASTROPHIC FORGETTING Non-Final OA International Business Machines Corporation
18413927 LARGE SCALE GENERATIVE ARTIFICIAL INTELLIGENCE FOR GENERATION OF CUSTOMIZED CONTENT Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18103057 RECTIFYING LABELS IN TRAINING DATASETS IN MACHINE LEARNING Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17664249 DETECTING NETWORK PATTERNS USING RANDOM WALKS Final Rejection International Business Machines Corporation
17814535 SYSTEM AND METHOD FOR CONTROLLING LARGE SCALE POWER DISTRIBUTION SYSTEMS USING REINFORCEMENT LEARNING Final Rejection Siemens Aktiengesellschaft
18658899 SYSTEMS AND METHODS FOR A UNIFIED TRAINING FRAMEWORK OF LARGE LANGUAGE MODELS Non-Final OA Salesforce, Inc.
18433331 METHOD AND SYSTEM FOR WORKFORCE ELASTICITY INDEXING Non-Final OA ADP, Inc.
18747830 MACHINE LEARNING DEVELOPMENT SUPPORT SYSTEM AND MACHINE LEARNING DEVELOPMENT SUPPORT METHOD Non-Final OA Hitachi, Ltd.
18535061 METHODS, APPARATUSES, AND SYSTEMS FOR MULTI-PARTY COLLABORATIVE MODEL UPDATING FOR PRIVACY PROTECTION Final Rejection Alipay (Hangzhou) Information Technology Co., Ltd.
18596391 KNOWLEDGE BASE ENTITY CLASSIFICATION Non-Final OA Roku, Inc.
18623615 METHOD OF SEARCHING FOR AN OPTIMAL COMBINATION OF HYPERPARAMETERS FOR A MACHINE LEARNING MODEL Non-Final OA STMicroelectronics International N.V.
17992232 PREDICTION OF INDOOR BIOAEROSOL CONCENTRATIONS FROM INDOOR AIR QUALITY SENSOR DATA BY ARTIFICIAL INTELLIGENCE MODELS Non-Final OA City University of Hong Kong
18197746 MODULARIZED PARAMETRIC VISUAL PROGRAM INDUCTION ALGORITHM, DEVICE, MEDIUM AND PRODUCT Final Rejection Tsinghua University
18679924 SYSTEMS AND METHODS FOR PREDICTING CONDITION OF AN ENTITY VIA MACHINE-LEARNING Non-Final OA Optum, Inc.
17864206 QUANTUM SIMULATOR NETWORK FOR SIMULATING A QUANTUM SERVICE Final Rejection Red Hat, Inc.

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