Prosecution Insights
Last updated: October 02, 2026

Examiner: CHEN, KUANG FU

Tech Center 4100 • Art Units: 2126 2143 4100

This examiner grants 80% of resolved cases

Analysis

Kuang Fu Chen, an examiner in Tech Center 4100 and Art Unit 2126, has 271 resolved cases. The allowance rate is 79.7%, which is very high. The median days to allowance is 1078, showing a standard timeline for successful prosecution. This 1078-day duration is a key metric for applicants in Art Unit 2126. The 79.7% rate suggests a high probability of success for well-prepared applications.

The interview lift is 69.0%, which is exceptionally high. This indicates that interviews are extremely effective at moving cases toward allowance, even with a 79.7% baseline. In Tech Center 4100, the 1078-day median pendency is a standard expectation. The 271 resolved cases provide a strong foundation for these metrics. The 69.0% lift is one of the most impactful figures in this profile.

Applicants should prioritize interviews given the 69.0% lift. The 79.7% allowance rate and 1078-day median to allowance are very favorable. With 271 resolved cases, this examiner's profile is very strong for applicants. Practitioners in Art Unit 2126 should use the 69.0% lift to navigate the 1078-day timeline more successfully.

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

Performance Statistics

79.7%
Allow Rate
+19.7% vs TC avg
298
Total Applications
+69.0%
Interview Lift
1078
Avg Prosecution Days
Based on 271 resolved cases, 2023–2026

Rejection Statute Breakdown

16.4%
§101 Eligibility
10.9%
§102 Novelty
50.8%
§103 Obviousness
15.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18799608 DISPLAY DEVICE AND OPERATING METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO.,LTD.
18343303 METHOD AND APPARATUS WITH NEURAL NETWORK TRAINING Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18653651 USER INTERFACES FOR MANAGING MEDIA Non-Final OA Apple Inc.
18593751 SYSTEMS AND METHODS FOR GENERATING NEW TRANSACTION FRAMEWORKS USING A MACHINE LEARNING MODEL Non-Final OA Wells Fargo Bank, N.A.
18818722 INFORMATION PROCESSING APPARATUS, SURVEY SYSTEM, AND ADJUSTMENT METHOD Non-Final OA NEC Corporation
18649372 MAP-BASED GRAPHICAL USER INTERFACE FOR MULTI-TYPE SOCIAL MEDIA GALLERIES Non-Final OA Snap Inc.
18309376 Task Learning System and Method, and Related Device Final Rejection Huawei Cloud Computing Technologies Co., Ltd.
18651247 DEVICE AND COMPUTER-IMPLEMENTED METHOD FOR SELECTING IMPLEMENTATIONS FOR OPERATORS FOR A NEURAL NETWORK, IN PARTICULAR FOR PROVIDING A COMPUTING DEVICE Non-Final OA Robert Bosch GmbH
18585803 APPARATUS AND METHOD FOR PROCESSING SENSOR DATA, SENSOR SYSTEM Non-Final OA Robert Bosch GmbH
18469166 Method for Generating Additional Training Data for Training a Machine Learning Algorithm Final Rejection Robert Bosch GmbH
18461577 Method for Determining Training Data for Training a Model, in particular for Solving a Recognition Task Final Rejection Robert Bosch GmbH
18067532 METHODS AND APPARATUS FOR RELATED SEARCH WITHIN A BROWSER Final Rejection GOOGLE LLC
18579328 METHOD AND APPARATUS FOR TRAINING MACHINE LEARNING MODELS, COMPUTER DEVICE, AND STORAGE MEDIUM Non-Final OA SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
18169015 Artificial Intelligence (AI)-Based Generation of In-App Asset Variations Final Rejection Sony Interactive Entertainment Inc.
17854487 MULTI-STEP FORECASTING VIA TEMPORAL AGGREGATION Non-Final OA Oracle International Corporation
18564687 METHODS AND APPARATUSES FOR TRAINING A MODEL BASED REINFORCEMENT LEARNING MODEL Non-Final OA Telefonaktiebolaget LM Ericsson (PUBL)
18444747 MULTIPLICATION-ACCUMULATION CIRCUIT USED IN A NODE OF ARTIFICIAL NEURAL NETWORK Non-Final OA MEDIATEK INC.
18459536 COMPUTATIONALLY CUSTOMIZING INSTRUCTIONAL CONTENT Final Rejection Microsoft Technology Licensing, LLC
18493657 SYSTEM AND METHOD FOR AUTO BINDING GRAPHICS TO COMPONENTS IN A BUILDING MANAGEMENT SYSTEM Non-Final OA Honeywell International Inc.
18230056 CONTROLLING AGENTS USING AUXILIARY PREDICTION NEURAL NETWORKS THAT GENERATE STATE VALUE ESTIMATES Final Rejection DeepMind Technologies Limited

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