Prosecution Insights
Last updated: April 19, 2026

Examiner: DUCLAIR, STEPHANIE P.

Tech Center 1700 • Art Units: 1713 1716 1792

This examiner grants 71% of resolved cases

Performance Statistics

71.3%
Allow Rate
+6.3% vs TC avg
825
Total Applications
+19.9%
Interview Lift
1011
Avg Prosecution Days
Based on 795 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
5.6%
§102 Novelty
75.4%
§103 Obviousness
11.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18603614 CHEMICAL MECHANICAL POLISHING SLURRY AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18252032 METHOD FOR SELECTIVELY ETCHING A METAL COMPONENT Non-Final OA Microsoft Technology Licensing, LLC
18584540 DIRECTIONAL SELECTIVE FILL USING HIGH DENSITY PLASMA Non-Final OA Applied Materials, Inc.
18392785 ATOMIC LAYER ETCHING OF SILICON OXIDE AT CRYOGENIC TEMPERATURE Non-Final OA Applied Materials, Inc.
18539892 ETCHING SUBSTRATES USING VAPOR ADSORPTION Final Rejection Applied Materials, Inc.
18084303 Hardmask to substrate pattern transfer method for Microfabrication of micro to mesoscale, high aspect ratio, multi-level, 3D Structures Final Rejection The Board of Trustees of the Leland Stanford Junior University
18386601 ETCHING METHOD Non-Final OA Tokyo Electron Limited
18485978 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18479599 ETCHING METHOD AND PLASMA PROCESSING SYSTEM Non-Final OA Tokyo Electron Limited
18312427 Protection Layer Formation during Plasma Etching Conductive Materials Non-Final OA Tokyo Electron Limited
18248562 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18125206 PLASMA PROCESSING METHOD AND PLASMA PROCESSING SYSTEM Non-Final OA Tokyo Electron Limited
18682767 ETCHING METHOD AND METHOD FOR PRODUCING SEMICONDUCTOR ELEMENT Non-Final OA Resonac Corporation
18273605 METHOD FOR FORMING PATTERN OF METAL OXIDE AND METHOD FOR PRODUCING SEMICONDUCTOR ELEMENT Final Rejection Resonac Corporation
18439340 Photolithography Methods and Resulting Structures Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18308266 Stealth Patterning Formation for Bonding Improvement Final Rejection Taiwan Semiconductor Manufacturing Co., Ltd.
18558788 IMIDAZOLIUM-BASED POLY(IONIC LIQUID)S AND USE THEREFORE Non-Final OA Versum Materials US, LLC
18252705 METHOD FOR ETCHING SILICON WAFER Non-Final OA BEIJING NAURA MICROELECTRONICS EQUIPMENT CO., LTD.
18127053 POLISHING COMPOSITIONS AND METHODS OF USE THEREOF Final Rejection Fujifilm Electronic Materials U.S.A., Inc.
17699655 POLISHING COMPOSITIONS AND METHODS OF USING THE SAME Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18213865 Control of Trench Profile Angle in SiC Semiconductors Non-Final OA SPTS Technologies Limited
18027071 METHOD OF PREPARING A SILICON CARBIDE WAFER Final Rejection Oxford Instruments Nanotechnology Tools Limited
17923931 PLASMA PROCESSING METHOD USING A MIXED PLASMA PROCESSING GAS OF C4F8 AND 2,3,3,3- TETRAFLUOROPROPENE Final Rejection SPP Technologies Co., Ltd.
18288270 MULTI-LEVEL STRUCTURE FABRICATION Non-Final OA NILT Switzerland GmbH

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