Prosecution Insights
Last updated: October 01, 2026

Examiner: SHIAO, DAVID A

Tech Center 2800 • Art Units: 1732 2836

This examiner grants 76% of resolved cases

Analysis

David A. Shiao operates in Tech Center 2800 and Art Unit 1732, where he has 489 resolved cases. The allowance rate pct is 75.5, and the median days to allowance is 889. These figures indicate a favorable environment and a predictable timeline for applications. The 489 resolved cases provide a solid foundation for these performance metrics.

The interview lift pct is 30.9, which is a very strong positive impact. This indicates that the 75.5 allowance rate pct is significantly higher for cases that include an interview. With 489 resolved cases, the data strongly supports the use of interviews as a prosecution tactic. The 889 median days to allowance is a key statistic for managing expectations regarding the speed of the process. By leveraging the 30.9 interview lift pct, practitioners can maximize their chances of a successful outcome. The 75.5 allowance rate pct establishes a high baseline for success, and direct engagement further enhances this probability. This examiner's profile suggests that active communication is highly beneficial.

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

Performance Statistics

75.5%
Allow Rate
+7.5% vs TC avg
506
Total Applications
+30.9%
Interview Lift
889
Avg Prosecution Days
Based on 489 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
19.8%
§102 Novelty
41.5%
§103 Obviousness
27.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18748373 CONVERTER FOR FORMING THE NEUTRAL IN AN ISLANDED SPLIT-PHASE POWER SYSTEM Non-Final OA EATON INTELLIGENT POWER LIMITED
19091500 WIRELESS POWER TRANSMISSION SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
18911351 Power Supply System and Operating Method Non-Final OA ABB Schweiz AG
18883281 EXCESS ENERGY MANAGEMENT FOR SELF-POWERED AIR CONDITIONING SYSTEMS Non-Final OA Carrier Corporation
18856734 APPARATUS AND SYSTEM FOR POWER CONVERSION AND METHOD FOR CONTROLLING THE APPARATUS Final Rejection HITACHI ENERGY LTD

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