Prosecution Insights
Last updated: October 02, 2026

Examiner: TSAI, JAMES T

Tech Center 4100 • Art Units: 1754 2124 2147 2174 2177 4100

This examiner grants 63% of resolved cases

Analysis

James T. Tsai works in Art Unit 1754 within Tech Center 4100, where he has resolved 313 cases. His allowance rate is 63.3%, and the median time to allowance is 1202 days. These figures represent a moderate level of difficulty and a standard timeline for prosecution. The 313 cases resolved suggest that the examiner is consistent in his application of patentability standards.

The most striking data point is the interview lift of 56.9%. This is an exceptionally high lift, indicating that interviews are extremely effective for applications assigned to him. For the 313 cases resolved, an interview appears to be the most impactful action a practitioner can take to improve the 63.3% baseline allowance rate. This lift suggests a high degree of receptiveness to applicant arguments during direct discussions.

The 1202-day median pendency is a key factor for planning prosecution timelines in Tech Center 4100. While the 63.3% allowance rate is solid, the 56.9% interview lift is the most critical metric for success. Practitioners should prioritize interviews to navigate Art Unit 1754 effectively and secure allowances for their clients.

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

Performance Statistics

63.4%
Allow Rate
+3.4% vs TC avg
335
Total Applications
+56.9%
Interview Lift
1201
Avg Prosecution Days
Based on 314 resolved cases, 2023–2026

Rejection Statute Breakdown

11.4%
§101 Eligibility
9.7%
§102 Novelty
63.8%
§103 Obviousness
9.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18416163 ARTIFICIAL INTELLIGENCE DEVICE FOR MULTI-PURPOSE RETRIEVAL FOR KNOWLEDGE BASE QUESTION AND ANSWERING AND CONTROL METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
18110323 Devices, Methods, and Graphical User Interfaces for Accessing System Functions of Computer Systems While Displaying Three-Dimensional Environments Final Rejection Apple Inc.
18421231 SYSTEMS AND METHODS FOR PERSONALIZED FEDERATED LEARNING UNDER BITWIDTH FOR CLIENT RESOURCE AND DATA HETEROGENEITY Non-Final OA Toyota Motor Engineering & Manufacturing North America, Inc.
18404069 INTELLIGENT MODEL TRAINING METHOD AND APPARATUS Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18561104 Preventing The Distribution Of Forbidden Network Content With Robustified Detection Final Rejection Google LLC
18465705 Domain-Based Machine-Learned Classifiers Final Rejection Google LLC
18571616 APPARATUS, METHOD, DEVICE AND MEDIUM FOR LOSS BALANCING IN MULTI-TASK LEARNING Non-Final OA Intel Corporation
17558744 MECHANISM FOR POISON DETECTION IN A FEDERATED LEARNING SYSTEM Final Rejection Intel Corporation
18358571 BLOCK-WISE PRUNING OF WEIGHTS IN DEEP NEURAL NETWORK Non-Final OA Altera Corporation
18606802 NON-TRANSITORY COMPUTER-READABLE RECORDING MEDIUM STORING MACHINE LEARNING EXPLANATION PROGRAM, APPARATUS, AND METHOD Non-Final OA FUJITSU LIMITED
18769891 MOVING APPLICATIONS ON MULTI-SCREEN COMPUTING DEVICE Final Rejection Microsoft Technology Licensing, LLC
18511659 MATURITY STATE-BASED WORKPLACE ACTIVITY ASSIGNMENT USING DIGITAL TWIN-BASED SIMULATION Non-Final OA International Business Machines Corporation
18121891 MODEL-BASED COMPREHENSION OF LOG DATA Final Rejection International Business Machines Corporation
18404280 MODIFYING NEURAL NETWORKS Non-Final OA NVIDIA Corporation
18731776 CONTROL OF SELECTIVE CATALYTIC REDUCTION USING MACHINE LEARNING Non-Final OA GE Infrastructure Technology LLC
18358302 UNIVERSAL AND MACHINE LEARNING MODEL AGNOSTIC CONTROL AND TRACKING Final Rejection Optum, Inc.
18192372 METHOD OF TRAINING AN ARTIFICIAL INTELLIGENCE CIRCUIT, MONITORING METHOD AND SYSTEM FOR MONITORING A RADIO FREQUENCY ENVIRONMENT Final Rejection Rohde & Schwarz GmbH & Co. KG
18195115 SYSTEM AND METHOD FOR IMPROVING MEASUREMENT PERFORMANCE OF CHARACTERIZATION SYSTEMS Non-Final OA KLA Corporation
18477817 ARTIFICIAL INTELLIGENCE ENHANCED KNOWLEDGE FRAMEWORK Non-Final OA KPMG LLP
18588749 HYBRID QUANTUM CLASSICAL CLASSIFICATION SYSTEM FOR CLASSIFYING IMAGES AND TRAINING METHOD Non-Final OA Terra Quantum AG
18169458 INFORMATION PROVISION SYSTEM, METHOD, AND NON-TRANSITORY COMPUTER-READABLE MEDIUM Non-Final OA connectome.design Inc.
18401256 Layer-Based Analog Hardware Realization of Neural Networks Non-Final OA PolyN Technology Limited

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