Prosecution Insights
Last updated: October 02, 2026

Examiner: IBEKWE, DARLINGTON NDUKA

Tech Center 3700 • Art Units: 3654 3722 3725

This examiner grants 33% of resolved cases

Analysis

Darlington Nduka Ibekwe works in Tech Center 3700 and Art Unit 3654. The examiner has 3 resolved cases, with an allowance rate of 33.3 percent. This rate indicates the proportion of resolved applications that reached allowance in this art unit. The median days to allowance for these cases is 952, providing a timeline for practitioners to consider when managing applications.

The interview lift is 100.0 percent, suggesting a correlation between interviews and successful outcomes in this sample. While the 3 resolved cases limit the statistical significance of this metric, the 100.0 percent lift highlights the potential impact of direct communication with the examiner. Practitioners should weigh the 33.3 percent allowance rate against the 952-day median pendency when developing a strategy for Tech Center 3700. The data suggests that interviews may be a factor in navigating the examination process with this specific examiner.

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

Performance Statistics

33.3%
Allow Rate
-36.7% vs TC avg
19
Total Applications
+100.0%
Interview Lift
956
Avg Prosecution Days
Based on 3 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
14.7%
§102 Novelty
57.9%
§103 Obviousness
26.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18619251 DEFIBRATION DEVICE Final Rejection SEIKO EPSON CORPORATION
18411461 MANUFACTURING METHOD FOR FASTENING STRUCTURE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18388533 ELONGATED MATERIAL SUPPLY DEVICE AND BENDING APPARATUS Final Rejection RICOH COMPANY, LTD.
18763817 BINDING TOOL Final Rejection Illinois Tool Works Inc.
18433517 DEVICE FOR REPAIRING BURRS OF ELECTRODE PLATE Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18992715 MANUFACTURING EQUIPMENT FOR METAL BAND, ACCEPTABILITY DETERMINATION METHOD FOR METAL BAND, AND MANUFACTURING METHOD FOR METAL BAND Non-Final OA JFE STEEL CORPORATION
18874242 COLD ROLLING EQUIPMENT, STEEL PLATE MANUFACTURING EQUIPMENT, COLD ROLLING METHOD, AND STEEL PLATE MANUFACTURING METHOD Non-Final OA JFE STEEL CORPORATION
18706111 METHOD FOR DETERMINING CONFORMITY OF ROLLING ROLL, METHOD FOR ROLLING METAL STRIP, AND METHOD FOR PRODUCING COLD-ROLLED STEEL SHEET Final Rejection JFE Steel Corporation
18869571 DEVICE AND METHOD FOR COOLING ROLLS USED FOR ROLLING IN A HIGHLY TURBULENT ENVIRONMENT Non-Final OA ArcelorMittal
18836709 ROTOR ASSEMBLY FOR A PULVERIZER AND PULVERIZER COMPRISING THE SAME Non-Final OA TORXX KINETIC PULVERIZER LIMITED
18276428 METHOD FOR MACHINING SHEET-LIKE WORKPIECES, AND MACHINING DEVICE Non-Final OA HOMAG GMBH

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