Prosecution Insights
Last updated: August 18, 2026

Examiner: FENWICK, WARREN K

Tech Center 2800 • Art Units: 2852 2862

This examiner grants 90% of resolved cases

Performance Statistics

89.5%
Allow Rate
+21.5% vs TC avg
654
Total Applications
+0.4%
Interview Lift
738
Avg Prosecution Days
Based on 647 resolved cases, 2023–2026

Rejection Statute Breakdown

3.1%
§101 Eligibility
29.0%
§102 Novelty
37.8%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18663895 LIQUID LEAK DETECTION APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18737725 WIDE BAND CIRCUITRY, WITH HIGH DYNAMIC RANGE, TO MEASURE DIELECTRIC CONSTANT AND DIELECTRIC LOSS OF A LOSSY DIELECTRIC MEDIUM SIMULTANEOUSLY Non-Final OA Saudi Arabian Oil Company
18720102 METHOD FOR OPERATING AN ULTRASONIC MEASURING DEVICE, AND AN ULTRASONIC MEASURING DEVICE Non-Final OA Endress+Hauser Flowtec AG

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