Prosecution Insights
Last updated: October 26, 2026

Errol V Fernandes, USPTO Patent Examiner

Listed by the USPTO as FERNANDES, ERROL V

Tech Center 2800 • Art Units: 2821 2841 2893 2894 2897

This examiner grants 86% of resolved cases

Analysis

FERNANDES, ERROL V has 827 resolved cases in Tech Center 2800 and art unit 2821. The allowance rate is 85.5%, the interview lift is 10.8%, and the median time to allowance is 801 days. The record indicates a favorable allowance outcome across substantial resolved-case activity, with interviews showing a supporting rather than dominant measured effect.

The listed companies are Samsung Electronics Co., Ltd., BOE Technology Group Co., Ltd., and Micron Technology Inc. The listed firms are Dorsey & Whitney LLP - MTI (Nelson), FISH & RICHARDSON P.C. (TC), and FOLEY & LARDNER LLP. Practitioners may use interviews to address discrete issues, while relying on clear written claim positions and timely prosecution decisions to manage cases within the stated median timeline.

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

Performance Statistics

85.5%
Allow Rate
+17.5% vs TC avg
847
Total Applications
+10.8%
Interview Lift
801
Avg Prosecution Days
Based on 827 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
33.0%
§102 Novelty
62.4%
§103 Obviousness
4.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18912036 SILICON SUBSTRATE SEMICONDUCTOR PACKAGE WITH INTEGRATED STACK CAPACITOR AND METHOD OF MANUFACTURING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18898790 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18829546 SEMICONDUCTOR PACKAGE Non-Final OA Samsung Electronics Co., Ltd.
18581676 SEMICONDUCTOR LIGHT-EMITTING DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18293371 Display Substrate and Display Apparatus Non-Final OA BOE Technology Group Co., Ltd.
18572960 DISPLAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE Non-Final OA BOE TECHNOLOGY GROUP CO., LTD.
18787831 FACE-TO-FACE SEMICONDUCTOR DEVICE WITH FAN-OUT PORCH Non-Final OA Micron Technology, Inc.
18750247 PHOTOALIGNMENT OF SEMICONDUCTOR STRUCTURES USING AN OPAQUE HARDMASK Non-Final OA Micron Technology, Inc.
18911992 BACKSIDE DEEP TRENCH CAPACITOR Non-Final OA International Business Machines Corporation
18650970 SEMICONDUCTOR DEVICE Non-Final OA Rohm Co., Ltd.
18332761 SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.

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Frequently Asked Questions

What is examiner Errol V Fernandes's allowance rate?

85.5% of resolved applications examined by Errol V Fernandes were allowed (827 resolved cases), compared with 89.3% across Art Unit 2821 over the last five years.

Does an interview help with examiner Errol V Fernandes?

This examiner's interview lift is +10.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Errol V Fernandes take to allow a patent?

Applications allowed by Errol V Fernandes took 801 days on average from filing to allowance.

Which art unit does examiner Errol V Fernandes work in?

Errol V Fernandes examines applications in Art Unit 2821 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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