Prosecution Insights
Last updated: May 29, 2026

Examiner: BULLOCK, IN SUK C

Tech Center 1700 • Art Units: 1772 1797

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-15.0% vs TC avg
253
Total Applications
+32.0%
Interview Lift
1312
Avg Prosecution Days
Based on 230 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
2.1%
§102 Novelty
81.4%
§103 Obviousness
3.5%
§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
18048947 Gas Purification and Liquefication System and Method Using Liquid Nitrogen Final Rejection Chart Energy & Chemicals, Inc.

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