Prosecution Insights
Last updated: May 29, 2026

Examiner: LEE, TSU-CHANG

Tech Center 2100 • Art Units: 2121 2123 2126 2128 2129

This examiner grants 72% of resolved cases

Performance Statistics

72.5%
Allow Rate
+17.5% vs TC avg
441
Total Applications
+14.3%
Interview Lift
1295
Avg Prosecution Days
Based on 422 resolved cases, 2023–2026

Rejection Statute Breakdown

29.3%
§101 Eligibility
2.0%
§102 Novelty
55.4%
§103 Obviousness
6.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18026361 DEVICE, COMPUTING PLATFORM AND METHOD OF ANALYZING LOG FILES OF AN INDUSTRIAL PLANT Non-Final OA SIEMENS AKTIENGESELLSCHAFT
17442770 INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD Final Rejection SONY GROUP CORPORATION
18515665 CAUSAL ANALYSIS Non-Final OA NEC CORPORATION
18070682 METHOD FOR TRAINING CLASSIFIER, AND DATA PROCESSING METHOD, SYSTEM, AND DEVICE Non-Final OA Huawei Technologies Co., Ltd.
17791771 SPARSE MATRIX OPERATIONS FOR DEEP LEARNING Non-Final OA Google LLC
18190268 REVERSE DATA GENERATION AND DATA DISTRIBUTION ANALYSIS TO VALIDATE ARTIFICIAL INTELLIGENCE MODEL Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18089355 METHOD AND APPARATUS FOR PERFORMING FILTER PRUNING ON CONVOLUTIONAL LAYERS IN NEURAL NETWORK Non-Final OA UIF (University Industry Foundation), Yonsei University
17873330 System and Method for Dynamic Knowledge Transition Final Rejection Cognizant Technology Solutions India Pvt. Ltd.
17042061 ADAPTIVE ARTIFICIAL INTELLIGENCE SYSTEM FOR EVENT CATEGORIZING BY SWITCHING BETWEEN DIFFERENT STATES Non-Final OA KEPLER VISION TECHNOLOGIES B.V.
18051134 BIAS REDUCTION IN MACHINE LEARNING MODEL TRAINING AND INFERENCE Final Rejection Epistamai, Inc.

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