Prosecution Insights
Last updated: October 26, 2026

Sheikh Maruf, USPTO Patent Examiner

Listed by the USPTO as MARUF, SHEIKH

Tech Center 2800 • Art Units: 2823 2828 2897

This examiner grants 87% of resolved cases

Analysis

MARUF, SHEIKH is assigned to tech center 2800 and art unit 2823. Across 570 resolved cases, the allowance rate is 86.8% and the interview lift is 9.1%. The median time to allowance is 823 days, providing a useful reference for applicants assessing expected prosecution duration.

Listed companies include Samsung Display Co., Ltd., International Business Machines Corporation, and Samsung Electronics Co., Ltd. Listed firms include HARNESS, DICKEY & PIERCE, P.L.C., AKC PATENTS, and Akona IP PC - Intel. The data places more weight on written prosecution than on interview practice.

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

Performance Statistics

86.8%
Allow Rate
+18.8% vs TC avg
600
Total Applications
+9.1%
Interview Lift
823
Avg Prosecution Days
Based on 570 resolved cases, 2023–2026

Rejection Statute Breakdown

4.3%
§101 Eligibility
13.9%
§102 Novelty
72.0%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18168699 SEMICONDUCTOR DEVICE INCLUDING FERROELECTRIC MATERIAL AND ELECTRONIC DEVICE INCLUDING THE SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18151021 SEMICONDUCTOR DEVICES AND METHODS FOR FABRICATING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18742136 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18629250 DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF Non-Final OA Samsung Display Co., LTD.
18627247 DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME Non-Final OA Samsung Display Co., LTD.
18607034 PACKAGE COMPRISING SUBSTRATES, INTEGRATED DEVICES AND A HEAT SINK Non-Final OA QUALCOMM Incorporated
18607094 BURIED BUMP STRUCTURE Non-Final OA QUALCOMM Incorporated
18342112 Integrated Waveguides for Semiconductor Technology Non-Final OA Intel Corporation
17710584 VERTICAL BIT DATA PATHS FOR INTEGRATED CIRCUITS Final Rejection Intel Corporation
18069411 ELECTRONIC COMPONENT WITH AT LEAST ONE LAYER OF A FERROELECTRIC OR ANTIFERROELECTRIC MATERIAL Final Rejection Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung E.V.
18433787 ETCHING METHOD AND MANUFACTURING METHOD OF A SEMICONDUCTOR MEMORY DEVICE Non-Final OA Kioxia Corporation
18326389 FIELD-PLATED RESISTOR Final Rejection TEXAS INSTRUMENTS INCORPORATED
18300421 SELF-ALIGNED CONTACT WITH CT CUT AFTER RMG Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18298402 METAL CONTACT CONNECTION THROUGH DIFFUSION BREAK AREA Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
17954979 TRANSISTORS WITH ENHANCED VIA-TO-BACKSIDE POWER RAIL Final Rejection International Business Machines Corporation
18493947 MULTIMODULE PACKAGE FOR MULTILEVEL INVERTER Non-Final OA GM Global Technology Operations LLC

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Frequently Asked Questions

What is examiner Sheikh Maruf's allowance rate?

86.8% of resolved applications examined by Sheikh Maruf were allowed (570 resolved cases), compared with 46.2% across Art Unit 2823 over the last five years.

Does an interview help with examiner Sheikh Maruf?

This examiner's interview lift is +9.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sheikh Maruf take to allow a patent?

Applications allowed by Sheikh Maruf took 823 days on average from filing to allowance.

Which art unit does examiner Sheikh Maruf work in?

Sheikh Maruf examines applications in Art Unit 2823 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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