Prosecution Insights
Last updated: August 18, 2026

Examiner: YAO, LEI

Tech Center 1600 • Art Units: 1642

This examiner grants 60% of resolved cases

Performance Statistics

59.8%
Allow Rate
At TC average
873
Total Applications
+65.4%
Interview Lift
1243
Avg Prosecution Days
Based on 854 resolved cases, 2023–2026

Rejection Statute Breakdown

9.5%
§101 Eligibility
16.5%
§102 Novelty
28.0%
§103 Obviousness
29.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17918792 SARS COV-2 VACCINES AND HIGH THROUGHPUT SCREENING ASSAYS BASED ON VESICULAR STOMATITIS VIRUS VECTORS Final Rejection Washington University

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