Prosecution Insights
Last updated: October 02, 2026

Examiner: CAI, CHARLES J

Tech Center 3700 • Art Units: 1735 2115 2117 2896 3725

This examiner grants 83% of resolved cases

Analysis

Charles J. Cai is an examiner in Tech Center 3700 and Art Unit 1735. He has 332 resolved cases. His allowance rate is 83.1 percent. This 83.1 percent rate indicates the probability of success for applications in his docket in Art Unit 1735.

The interview lift for this examiner is 29.6 percent. This 29.6 percent lift suggests that interviews are an effective tool for further increasing the chances of allowance. For the 332 resolved cases, practitioners can benefit from the 29.6 percent lift to resolve outstanding issues and move the application toward a grant more effectively.

The median days to allowance is 919. This 919 day figure represents the middle point of the time required to reach an allowance. The 919 day median indicates the typical duration of the prosecution cycle. Applicants can use the 83.1 percent allowance rate and the 919 day median to forecast their own prosecution timelines in Tech Center 3700.

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

Performance Statistics

83.1%
Allow Rate
+13.1% vs TC avg
350
Total Applications
+29.6%
Interview Lift
919
Avg Prosecution Days
Based on 332 resolved cases, 2023–2026

Rejection Statute Breakdown

7.0%
§101 Eligibility
15.1%
§102 Novelty
47.1%
§103 Obviousness
25.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18899710 MONITORING AT LEAST ONE MACHINE Non-Final OA SICK AG
18558180 SYSTEM LEVEL ADAPTIVE DTR CONTROL MECHANISM TO EXTEND DYNAMIC TEMPERATURE RANGE Final Rejection Intel Corporation
19406832 BATTERY MANUFACTURING METHOD AND BATTERY MANUFACTURING SYSTEM Final Rejection LG Energy Solution, Ltd.
18558108 FAILURE DETERMINATION SYSTEM, FAILURE DETERMINATION METHOD, CONTROL DEVICE, AND PROGRAM Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
18379745 METHOD AND SYSTEM FOR ANALYZING STABILITY OF FACTORY ENERGY CONSUMPTION BASED ON ENERGY INTENSITY PER PRODUCT Final Rejection ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
18849654 METHOD FOR CHECKING THE PLAUSIBILITY OF A PREDICTION Non-Final OA Siemens Aktiengesellschaft
18345848 MELT POOL PROCESS USING NEUROMORPHIC SENSORS Final Rejection RTX Corporation
18679517 OPTIMIZATION OF BUILDING OPERATIONS Non-Final OA Honeywell International Inc.
18380657 SYSTEMS AND METHODS FOR MANAGING EMISSIONS IN A FACILITY Non-Final OA HONEYWELL INTERNATIONAL INC.

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