Prosecution Insights
Last updated: October 27, 2026

Hannah Chinwe Nnabugwu, USPTO Patent Examiner

Listed by the USPTO as NNABUGWU, HANNAH CHINWE

Tech Center 1700 • Art Units: 1747

This examiner grants 80% of resolved cases

Analysis

NNABUGWU, HANNAH CHINWE works in tech center 1700 and art unit 1747. The profile contains 5 resolved cases and an allowance rate of 80.0%. The median time to allowance is 1061 days. Interview lift is 0.0%, so the reported record shows no measured interview effect.

The leading companies are Nicoventures Trading Limited, JT International S.A., and Philip Morris International Inc. The listed firms are MERCHANT & GOULD P.C. - BAT, FBT Gibbons LLP, and LEE, HONG, DEGERMAN, KANG & WAIMEY. Because the resolved-case record is limited to 5 cases, practitioners should use these figures as an early directional reference rather than a broad prediction. The applicant and firm names identify the current concentration of reported work.

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

Performance Statistics

80.0%
Allow Rate
+15.0% vs TC avg
17
Total Applications
+0.0%
Interview Lift
1061
Avg Prosecution Days
Based on 5 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
36.8%
§102 Novelty
39.5%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18722140 AEROSOL PROVISION DEVICE Non-Final OA Nicoventures Trading Limited
18290973 DELIVERY SYSTEM COMPRISING AN AEROSOL GENERATING DEVICE AND AN AERSOLISABLE MATERIAL Non-Final OA Nicoventures Trading Limited
18290612 AEROSOL PROVISION SYSTEM Non-Final OA Nicoventures Trading Limited
18579146 AEROSOL GENERATION Non-Final OA Nicoventures Trading Limited
18712066 AEROSOL-GENERATING ARTICLE HAVING A GROOVED AIR CHANNELLING ELEMENT Non-Final OA PHILIP MORRIS PRODUCTS S.A.
18697396 AEROSOL-GENERATING DEVICE Non-Final OA KT&G CORPORATION
18758827 ELECTRONIC ATOMIZATION DEVICE AND ATOMIZER THEREOF Non-Final OA SHENZHEN SMOORE TECHNOLOGY LIMITED

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Frequently Asked Questions

What is examiner Hannah Chinwe Nnabugwu's allowance rate?

80.0% of resolved applications examined by Hannah Chinwe Nnabugwu were allowed (5 resolved cases), compared with 38.3% across Art Unit 1747 over the last five years.

Does an interview help with examiner Hannah Chinwe Nnabugwu?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hannah Chinwe Nnabugwu take to allow a patent?

Applications allowed by Hannah Chinwe Nnabugwu took 1,061 days on average from filing to allowance.

Which art unit does examiner Hannah Chinwe Nnabugwu work in?

Hannah Chinwe Nnabugwu examines applications in Art Unit 1747 in Tech Center 1700 (Chemistry & Materials).

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