Prosecution Insights
Last updated: October 02, 2026

Examiner: ELLIS, SUEZU Y

Tech Center 2800 • Art Units: 1615 2876

This examiner grants 77% of resolved cases

Analysis

Suezu Y. Ellis is a high-volume examiner in Tech Center 2800 and Art Unit 1615, with 711 resolved cases. The allowance rate of 76.8 percent indicates a relatively high probability of success for applicants. Additionally, the median days to allowance of 818 is quite efficient, suggesting a faster path to grant than many other units within the USPTO.

The interview lift of 21.6 percent provides a clear tactical advantage for practitioners. Engaging the examiner directly can significantly boost the 76.8 percent allowance rate, making it a recommended step in the prosecution process. With a large data set of 711 resolved cases, these metrics are highly stable and provide a clear picture of the examiner's efficiency. The 818-day median pendency to allowance combined with the 21.6 percent lift makes Art Unit 1615 a productive environment for well-prepared applications.

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

Performance Statistics

76.8%
Allow Rate
+8.8% vs TC avg
727
Total Applications
+21.6%
Interview Lift
818
Avg Prosecution Days
Based on 711 resolved cases, 2023–2026

Rejection Statute Breakdown

5.1%
§101 Eligibility
15.1%
§102 Novelty
35.7%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19443186 SYSTEM AND METHOD FOR PROVIDING REAL-TIME UPDATES OF CHEQUE COLLECTION IN A CHEQUE CLEARING PROCESS Non-Final OA The Toronto-Dominion Bank
18534036 OUTAGE-AWARE ELECTRIC VEHICLE BATTERY CHARGING Non-Final OA TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
18373031 POWER STORAGE SYSTEM Non-Final OA HONDA MOTOR CO., LTD.
18998127 ELECTRONIC DEVICE AND METHOD FOR MONITORING FOR PRESENCE OF AN OPTICAL ELEMENT Non-Final OA VALEO COMFORT AND DRIVING ASSISTANCE
18985152 CONTROLLER AND CODE READER SYSTEM Non-Final OA Keyence Corporation
19096095 TOOL IDENTIFIER RECOGNITION AND SENSOR CALIBRATION IN A TOOL CONTROL SYSTEM Non-Final OA SNAP-ON INCORPORATED

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