Prosecution Insights
Last updated: August 15, 2026

Examiner: DEL SOLE, JOSEPH STEVEN

Tech Center 4100 • Art Units: 1700 1743 1744 1754 1761 1763 1791 4100

This examiner grants 33% of resolved cases

Performance Statistics

32.8%
Allow Rate
-27.2% vs TC avg
159
Total Applications
+12.8%
Interview Lift
1182
Avg Prosecution Days
Based on 128 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
19.9%
§102 Novelty
53.0%
§103 Obviousness
19.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16608065 POLYMERS Final Rejection The University of Liverpool

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