Prosecution Insights
Last updated: October 27, 2026

Igwe U Anya, USPTO Patent Examiner

Listed by the USPTO as ANYA, IGWE U

Tech Center 2800 • Art Units: 2891

This examiner grants 85% of resolved cases

Performance Statistics

85.1%
Allow Rate
+17.1% vs TC avg
998
Total Applications
-3.8%
Interview Lift
925
Avg Prosecution Days
Based on 964 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
36.8%
§102 Novelty
50.9%
§103 Obviousness
7.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18628220 SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18781169 BONDING METHOD, BONDING APPARATUS AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
18314230 BIDIRECTIONAL POWER TRANSISTOR AND METHOD FOR PRODUCING A BIDIRECTIONAL POWER TRANSISTOR Final Rejection Robert Bosch GmbH
18409010 DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME Final Rejection Samsung Display Co., Ltd.
18853110 DISPLAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME, DISPLAY PANEL AND DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18240318 MAGNETIC INDUCTORS FOR SEMICONDUCTOR PACKAGING Non-Final OA Intel Corporation
18346098 FIDUCIALS WITH UNDERLYING DUMMY METALLIZATION FOR INTEGRATED CIRCUIT DEVICE ALIGNMENT Non-Final OA Intel Corporation
18217056 FORMING POROUS DIELECTRIC STRUCTURES WITH SPATIALLY-CONTROLLED POROSITY Non-Final OA Intel Corporation
18852619 SEMICONDUCTOR DEVICE Non-Final OA Semiconductor Energy Laboratory Co., Ltd.
18793709 POWER SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME Non-Final OA HYUNDAI MOBIS CO., LTD.
18852819 WIRING BOARD AND SEMICONDUCTOR DEVICE Non-Final OA KYOCERA Corporation
18692226 METHOD FOR PRODUCING A GROWTH SUBSTRATE, GROWTH SUBSTRATE, AND METHOD FOR PRODUCING A PLURALITY OF OPTOELECTRONIC SEMICONDUCTOR CHIPS Non-Final OA ams-OSRAM International GmbH
18852660 SEMICONDUCTOR FILM, AND METHOD FOR PRODUCING SEMICONDUCTOR FILM Non-Final OA IDEMITSU KOSAN CO.,LTD.
18683703 NITRIDE SEMICONDUCTOR SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME Final Rejection SHIN-ETSU HANDOTAI CO., LTD.
18750937 MEMORY DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18655769 SEMICONDUCTOR DEVICE AND FORMATION METHOD THEREOF Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18654441 SEMICONDUCTOR DEVICE PACKAGES AND METHODS OF FORMATION Non-Final OA Taiwan Semiconductor Manufacturing Company , Ltd.
18421026 SEMICONDUCTOR DIE AND WAFER BONDING CRACK DETECTOR STRUCTURES AND METHODS OF FORMING SAME Non-Final OA Taiwan Semiconductor Manufacturing Company LTD
18402035 CAPACITOR STRUCTURE AND METHODS OF FORMING THE SAME Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18909114 RADIATION-EMITTING SEMICONDUCTOR COMPONENT AND METHOD FOR PRODUCING RADIATION-EMITTING SEMICONDUCTOR COMPONENT Non-Final OA OSRAM OLED GmbH
18806055 PACKAGE SUBSTRATE AND FABRICATING METHOD THEREOF Non-Final OA SILICONWARE PRECISION INDUSTRIES CO., LTD.

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Frequently Asked Questions

What is examiner Igwe U Anya's allowance rate?

85.1% of resolved applications examined by Igwe U Anya were allowed (964 resolved cases), compared with 69.5% across Art Unit 2891 over the last five years.

Does an interview help with examiner Igwe U Anya?

This examiner's interview lift is -3.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Igwe U Anya take to allow a patent?

Applications allowed by Igwe U Anya took 925 days on average from filing to allowance.

Which art unit does examiner Igwe U Anya work in?

Igwe U Anya examines applications in Art Unit 2891 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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