Prosecution Insights
Last updated: October 27, 2026

Stephanie P. Duclair, USPTO Patent Examiner

Listed by the USPTO as DUCLAIR, STEPHANIE P.

Tech Center 3700 • Art Units: 1713 1716 1784 1792 3723

This examiner grants 72% of resolved cases

Analysis

In Tech Center 3700 and Art Unit 1713, DUCLAIR, STEPHANIE P. has resolved 829 cases. The allowance rate is 72.3%, with an interview lift of 19.6%. The median time to allowance is 1005 days. The record provides a substantial basis for assessing prosecution patterns, showing a favorable allowance result and a measurable, though limited, interview association.

The leading companies are Tokyo Electron Limited, Samsung Electronics Co., Ltd., and Lam Research Corporation. The leading firms are FOLEY & LARDNER LLP, MILLEN, WHITE, ZELANO & BRANIGAN, P.C., and NSIP LAW. Applicants may rely on clear written claim treatment as the foundation, using interviews to resolve focused questions about semiconductor technology and cited references.

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

Performance Statistics

72.3%
Allow Rate
+2.3% vs TC avg
867
Total Applications
+19.6%
Interview Lift
1005
Avg Prosecution Days
Based on 829 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
5.2%
§102 Novelty
77.6%
§103 Obviousness
11.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19026794 ETCHANT COMPOSITION FOR ETCHING SILICON GERMANIUM FILM AND METHOD OF MANUFACTURING INTEGRATED CIRCUIT DEVICE BY USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18603614 CHEMICAL MECHANICAL POLISHING SLURRY AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18848961 NEGATIVELY CHARGED SILICA PARTICLES, METHOD OF PRODUCING SUCH PARTICLES, COMPOSITIONS COMPRISING SUCH PARTICLES, AND A METHOD OF CHEMICAL-MECHANICAL POLISHING USING SUCH PARTICLES Non-Final OA MERCK PATENT GMBH
19053940 ATOMIC LAYER ETCHING FOR SUBTRACTIVE METAL ETCH Non-Final OA Lam Research Corporation
18859433 ORGANOCHLORIDE ETCH WITH PASSIVATION AND PROFILE CONTROL Non-Final OA Lam Research Corporation
18084303 Hardmask to substrate pattern transfer method for Microfabrication of micro to mesoscale, high aspect ratio, multi-level, 3D Structures Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18935294 PLASMA PROCESSING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18781793 ETCHING SYSTEM FOR FORMING RECESSED FEATURES WITH HIGH ASPECT RATIO Non-Final OA Tokyo Electron Limited
18588751 VERTICAL FEATURE GROWTH USING FLUORINE-CONTAINING GAS Final Rejection Tokyo Electron Limited
18937318 POLISHING COMPOSITION FOR A SEMICONDUCTOR PROCESS AND MANUFACTURING METHOD OF SUBSTRATE USING THE SAME Non-Final OA SK HYNIX INC.
18937925 METHODS OF SELECTIVELY ETCHING SILICON Non-Final OA Applied Materials, Inc.
18584540 DIRECTIONAL SELECTIVE FILL USING HIGH DENSITY PLASMA Final Rejection Applied Materials, Inc.
18682767 ETCHING METHOD AND METHOD FOR PRODUCING SEMICONDUCTOR ELEMENT Final Rejection Resonac Corporation
18213865 Control of Trench Profile Angle in SiC Semiconductors Final Rejection SPTS Technologies Limited
18376226 ETCHANT COMPOSITIONS AND RELATED METHODS Final Rejection ENTEGRIS, INC.
18888714 ETCHING COMPOSITIONS Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
17699655 POLISHING COMPOSITIONS AND METHODS OF USING THE SAME Final Rejection Fujifilm Electronic Materials U.S.A., Inc.
19053065 POLISHING COMPOSITION AND POLISHING METHOD Non-Final OA FUJIMI INCORPORATED
18926638 POLISHING COMPOSITION FOR SEMICONDUCTOR PROCESS AND METHOD OF MANUFACTURING SUBSTRATE USING SAME Non-Final OA YCCHEM CO., LTD.

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Frequently Asked Questions

What is examiner Stephanie P. Duclair's allowance rate?

72.3% of resolved applications examined by Stephanie P. Duclair were allowed (829 resolved cases), compared with 62.4% across Art Unit 1713 over the last five years.

Does an interview help with examiner Stephanie P. Duclair?

This examiner's interview lift is +19.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Stephanie P. Duclair take to allow a patent?

Applications allowed by Stephanie P. Duclair took 1,005 days on average from filing to allowance.

Which art unit does examiner Stephanie P. Duclair work in?

Stephanie P. Duclair examines applications in Art Unit 1713 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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