Prosecution Insights
Last updated: October 27, 2026

Nduka E Ojeh, USPTO Patent Examiner

Listed by the USPTO as OJEH, NDUKA E

Tech Center 4100 • Art Units: 2800 2892 2893 4100

This examiner grants 90% of resolved cases

Performance Statistics

89.9%
Allow Rate
+29.9% vs TC avg
837
Total Applications
-2.3%
Interview Lift
807
Avg Prosecution Days
Based on 818 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
28.7%
§102 Novelty
53.7%
§103 Obviousness
12.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18791957 SEMICONDUCTOR DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18774426 MAGNETORESISTIVE RANDOM ACCESS MEMORY DEVICE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18737207 IMAGE SENSOR Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18793595 DISPLAY DEVICE Non-Final OA LG Display Co., Ltd.
18774726 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18716189 SEMICONDUCTOR DEVICE, MANUFACTURING METHOD THEREFOR, AND ELECTRONIC APPARATUS Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18694435 SOLID-STATE IMAGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18710191 DISPLAY PANEL AND MANUFACTURING METHOD THEREFOR, AND ELECTRONIC DEVICE Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18419733 ROENTGEN INTEGRATED METROLOGY FOR HYBRID BONDING PROCESS CONTROL IN ULTRA HIGH 3D INTEGRATION Non-Final OA Tokyo Electron Limited
18770150 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA SK hynix Inc.
18903368 METHOD OF MANUFACTURING A BIPOLAR TRANSISTOR Non-Final OA STMicroelectronics International N.V.
18756544 NON-PLANAR TRANSISTOR DEVICES AND METHODS OF MANUFACTURING THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.

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Frequently Asked Questions

What is examiner Nduka E Ojeh's allowance rate?

89.9% of resolved applications examined by Nduka E Ojeh were allowed (818 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Nduka E Ojeh?

This examiner's interview lift is -2.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nduka E Ojeh take to allow a patent?

Applications allowed by Nduka E Ojeh took 807 days on average from filing to allowance.

Which art unit does examiner Nduka E Ojeh work in?

Nduka E Ojeh examines applications in Art Unit 2800 in Tech Center 4100.

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