Prosecution Insights
Last updated: October 01, 2026

Examiner: EZELUOMBA, MIRIAM NCHEKWUBECHU

Tech Center 3700 • Art Units: 1724 1751 1776 1793 3762 3763

This examiner grants 92% of resolved cases

Analysis

Miriam Nchekwubechu Ezeluomba is assigned to Tech Center 3700 and Art Unit 1724, with 13 resolved cases to her credit. Her allowance rate is remarkably high at 92.3%, suggesting that most applications she reviews are eventually granted. The median days to allowance stands at 1006, providing a benchmark for the expected duration of the prosecution process.

Interestingly, the data shows an interview lift of 0.0%, indicating that interviews have not historically changed the likelihood of allowance for this examiner. Given the already high 92.3% allowance rate, the lack of lift suggests that written advocacy may be sufficient in Art Unit 1724. The 13 resolved cases reflect a developing but consistent track record.

The 1006 days to allowance is a key metric for applicants to consider when managing expectations in Tech Center 3700. While the 0.0% interview lift is unusual, it must be viewed alongside the high volume of grants. Practitioners should focus on the quality of the initial filing to maintain the high probability of success.

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

Performance Statistics

92.3%
Allow Rate
+22.3% vs TC avg
41
Total Applications
+0.0%
Interview Lift
1006
Avg Prosecution Days
Based on 13 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
10.8%
§102 Novelty
65.5%
§103 Obviousness
21.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18427388 AIRCRAFT INERTING SYSTEM Final Rejection AIRBUS OPERATIONS LIMITED
18732781 MATERIAL COLLECTION DEVICE, SUPPORT ELEMENT, COVER UNIT AND MACHINE TOOL Non-Final OA Robert Bosch GmbH
18668928 3D-TRIPTYCENE-BASED MICROPOROUS POLYMER WITH HYDROXYL GROUPS FOR CARBON DIOXIDE CAPTURE AND METHODS OF PREPARATION THEREOF Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
18766484 SYNTHESIS AND FABRICATION OF MECHANICALLY ROBUST AND MESOPOROUS ABAC TETRABLOCK POLYMER MEMBRANES FOR ULTRAFILTRATION Non-Final OA BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18686115 IONIC LIQUID-BASED COMPOSITE MEMBRANES USING FUNCTIONAL CROSS-LINKERS Non-Final OA The Regents of the University of Colorado, a Body Corporate
18416100 MID-PRESSURE WATER SEPARATION FOR ENVIRONMENTAL CONTROL SYSTEM Non-Final OA Hamilton Sundstrand Corporation
18845068 SILICON CARBIDE HONEYCOMB FILTER Non-Final OA PROTERIAL, LTD.
18558736 FUEL CELL MEMBRANE HUMIDIFIER Non-Final OA KOLON INDUSTRIES, INC.
18438531 FILTER ELEMENT WITH AN ANTI-MICROBIAL FINISH AND A FINE FILTER LAYER Final Rejection Carl Freudenberg KG
18634455 FILTER ELEMENT AND FILTER SYSTEM Final Rejection MANN+HUMMEL GmbH

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