Prosecution Insights
Last updated: October 26, 2026

Nnenna Ngozi Ekpo, USPTO Patent Examiner

Listed by the USPTO as EKPO, NNENNA NGOZI

Tech Center 2400 • Art Units: 2425

This examiner grants 72% of resolved cases

Analysis

EKPO, NNENNA NGOZI is a USPTO patent examiner in Tech Center 2400 and Art Unit 2425. The profile reports 607 resolved cases, an allowance rate of 71.8%, and an interview lift of 20.8%. Median time to allowance is 1160 days. The case history provides a useful basis for prosecution planning, while the interview measure supports considering examiner engagement alongside written claim analysis.

The listed companies are Beijing Zitiao Network Technology Co., Ltd., Adeia Media Holdings Inc., and Adeia Technologies Inc. The listed firms are HG Law LLP (Adeia), Astute IP Law Group, and COOLEY LLP. Counsel can use these associations to anticipate technology context and to structure responses around allowance prospects and timing.

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

Performance Statistics

71.8%
Allow Rate
+13.8% vs TC avg
638
Total Applications
+20.8%
Interview Lift
1160
Avg Prosecution Days
Based on 607 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
16.6%
§102 Novelty
56.5%
§103 Obviousness
10.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19163348 VIDEO STREAM PLAYBACK METHOD AND DEVICE, STORAGE MEDIUM, AND PROGRAM PRODUCT Non-Final OA Beijing Zitiao Network Technology Co., Ltd
19153118 METHOD, APPARATUS AND ELECTRONIC DEVICE FOR GENERATING A VIDEO TEMPLATE Final Rejection Beijing Zitiao Network Technology Co., Ltd.
18877900 LIVE STREAM INTERACTION METHOD, APPARATUS, ELECTRONIC DEVICE AND STORAGE MEDIUM Final Rejection Beijing Zitiao Network Technology Co., Ltd.
19060711 CONTENT REPRODUCTION APPARATUS Non-Final OA Honda Motor Co., Ltd.
18779738 SYSTEMS AND METHODS FOR CONTENT PRESENTATION IN MULTI-DWELLING UNITS Final Rejection DISH Network L.L.C.

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Frequently Asked Questions

What is examiner Nnenna Ngozi Ekpo's allowance rate?

71.8% of resolved applications examined by Nnenna Ngozi Ekpo were allowed (607 resolved cases), compared with 68.9% across Art Unit 2425 over the last five years.

Does an interview help with examiner Nnenna Ngozi Ekpo?

This examiner's interview lift is +20.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nnenna Ngozi Ekpo take to allow a patent?

Applications allowed by Nnenna Ngozi Ekpo took 1,160 days on average from filing to allowance.

Which art unit does examiner Nnenna Ngozi Ekpo work in?

Nnenna Ngozi Ekpo examines applications in Art Unit 2425 in Tech Center 2400 (Networking & Security).

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