Prosecution Insights
Last updated: October 02, 2026

Examiner: ARK, DARREN W

Tech Center 3600 • Art Units: 3643 3647

This examiner grants 56% of resolved cases

Analysis

Darren W. Ark is an examiner in Tech Center 3600 and Art Unit 3643, having resolved 1429 cases. His allowance rate is 56.3 percent. This 56.3 percent rate indicates the frequency of granted patents among the 1429 resolved cases. Practitioners can use these figures to evaluate the prosecution environment and the likelihood of success in this technology area.

The interview lift is 64.4 percent, which is a statistic that shows the change in allowance probability following an interview. This 64.4 percent lift is a notable metric for developing a strategy. The median days to allowance is 1031, providing a benchmark for the time required to reach a grant. This 1031-day median is a key data point for managing expectations. These figures from Tech Center 3600 and Art Unit 3643 serve as the basis for understanding the examiner's historical performance across a large volume of cases.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

56.3%
Allow Rate
+4.3% vs TC avg
1,478
Total Applications
+64.4%
Interview Lift
1031
Avg Prosecution Days
Based on 1429 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
25.5%
§102 Novelty
38.7%
§103 Obviousness
31.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18460011 SENSOR FOR A WIRELESS ANIMAL TRAP DETECTION SYSTEM Non-Final OA Woodstream Corporation
17323416 Remote Monitoring Of Live Catch Rodent Traps Non-Final OA Woodstream Corporation
17316606 SENSOR FOR A WIRELESS ANIMAL TRAP DETECTION SYSTEM Non-Final OA Woodstream Corporation
18828448 FLYING INSECT ATTRACTION STATION Non-Final OA ECOLAB USA INC.
17900254 FISHING ROD HANDLE MEMBER AND FISHING ROD Non-Final OA GLOBERIDE, Inc.
17890873 LURE FOR FISHING Non-Final OA GLOBERIDE, Inc.
17879402 LURE FOR FISHING Non-Final OA GLOBERIDE, Inc.
19056364 HOVERING, STROLLING FISHING RIG Non-Final OA Core Tackle LLC
18656097 ANIMAL TRAP Final Rejection Field Engine Wildlife Research and Management LLC
18703513 RODENT TRAP AND STREET FURNITURE COMPRISING SUCH A TRAP Non-Final OA SECU-RAT
18543927 NON-PAINTED FAKE BAIT STRUCTURE Final Rejection Ever Grass International Co., LTD.

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