Prosecution Insights
Last updated: April 19, 2026

Examiner: BULLOCK, IN SUK C

Tech Center 1700 • Art Units: 1772 1797

This examiner grants 49% of resolved cases

Performance Statistics

49.3%
Allow Rate
-15.7% vs TC avg
253
Total Applications
+30.0%
Interview Lift
1263
Avg Prosecution Days
Based on 225 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
12.4%
§102 Novelty
57.7%
§103 Obviousness
17.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17929820 FLUIDIC DEVICE Final Rejection SEIKO EPSON CORPORATION
18056747 PROCESSES AND APPARATUSES FOR SEPARATING HYDROGEN FROM HYDROCARBONS Final Rejection UOP LLC
17901537 Sorbent-based oxygen separation Non-Final OA UNITED STATES DEPARTMENT OF ENERGY

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