Prosecution Insights
Last updated: April 19, 2026

Examiner: DEO, DUY VU NGUYEN

Tech Center 1700 • Art Units: 1713 1716 1792

This examiner grants 82% of resolved cases

Performance Statistics

82.3%
Allow Rate
+17.3% vs TC avg
1042
Total Applications
+7.1%
Interview Lift
918
Avg Prosecution Days
Based on 1023 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
29.0%
§102 Novelty
44.7%
§103 Obviousness
13.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18360930 METHODS FOR CHEMICAL MECHANICAL POLISHING AND METHODS FOR FORMING AN INTERCONNECT STRUCTURE OF A SEMICONDUCTOR DEVICE Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18550235 SUBSTRATE TREATMENT METHOD AND SUBSTRATE TREATMENT DEVICE Non-Final OA SCREEN Holdings Co., Ltd.
18620041 METHOD FOR MAKING A HIGH ASPECT RATIO TRENCH Non-Final OA STMicroelectronics International N.V.
18410811 DEVICE FABRICATION METHODS WITH ION BEAM PROCESSING Non-Final OA Tokyo Electron Limited
18406670 METHOD AND SYSTEM FOR PLASMA PROCESS Non-Final OA Tokyo Electron Limited
17708596 SEMICONDUCTOR TREATMENT LIQUID Final Rejection TOKUYAMA CORPORATION
18035865 PLASMA-ACTIVATED LIQUIDS Final Rejection The Board of Trustees of the University of Illinois
18278071 METHOD OF CLEANING SILICON WAFER, METHOD OF MANUFACTURING SILICON WAFER, AND SILICON WAFER Final Rejection SHIN-ETSU HANDOTAI CO., LTD.
18757184 ATOMIC LAYER ETCH AND SELECTIVE DEPOSITION PROCESS FOR EXTREME ULTRAVIOLET LITHOGRAPHY RESIST IMPROVEMENT Non-Final OA Lam Research Corporation
18291036 PAD-IN-A-BOTTLE (PIB) TECHNOLOGY FOR COPPER BARRIER SLURRIES Non-Final OA Versum Materials US, LLC
18276355 CHEMICAL MECHANICAL PLANARIZATION SLURRY PROCESSING TECHNIQUES AND SYSTEMS AND METHODS FOR POLISHING SUBSTRATE USING THE SAME Final Rejection ARACA, INC.

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