Prosecution Insights
Last updated: August 18, 2026

Examiner: DEO, DUY VU NGUYEN

Tech Center 2800 • Art Units: 1713 1716 1792 1794 2817

This examiner grants 82% of resolved cases

Performance Statistics

82.4%
Allow Rate
+14.4% vs TC avg
1,058
Total Applications
+7.0%
Interview Lift
873
Avg Prosecution Days
Based on 1042 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
26.9%
§102 Novelty
44.7%
§103 Obviousness
13.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18947090 ETCHING COMPOSITIONS, METHODS OF TREATING SUBSTRATES USING THE SAME, AND METHODS OF MANUFACTURING INTEGRATED CIRCUIT DEVICES USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18808281 COMPOSITION FOR MANUFACTURING SEMICONDUCTOR, METHOD FOR TREATING OBJECT TO BE TREATED, AND METHOD FOR MANUFACTURING SEMICONDUCTOR ELEMENT Non-Final OA FUJIFILM Corporation
18800584 COMPOSITION, COMPOUND, RESIN, SUBSTRATE TREATMENT METHOD, AND MANUFACTURING METHOD FOR SEMICONDUCTOR DEVICE Non-Final OA FUJIFILM Corporation
18651935 METHOD, SYSTEM AND APPARATUS FOR SURFACE MODIFICATION Non-Final OA ASM IP Holding B.V.
18779815 ETCHING COMPOSITIONS Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18780440 SEMICONDUCTOR STRUCTURE AND MANUFACTURING METHOD THEREOF Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18654400 CONDITIONING PAD WITH DEPOSITED DIAMOND COATING Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18626386 SEMICONDUCTOR DEVICE FABRICATION METHODS AND DEVICES FOR FORMING THE SAME Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18773292 SELF-HEALING POLISHING PAD Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18847897 SUBSTRATE PROCESSING DEVICE AND SUBSTRATE PROCESSING METHOD Non-Final OA TOKYO ELECTRON LIMITED
18626693 SUBSTRATE-PROCESSING METHOD AND SUBSTRATE-PROCESSING APPARATUS Final Rejection Tokyo Electron Limited
18827593 METHOD FOR MANUFACTURING PROCESSED SUBSTRATE Non-Final OA MERCK PATENT GMBH
18659602 ETCHING SOLUTION, ETCHING METHOD, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Final Rejection TOKYO OHKA KOGYO CO., LTD.
18839177 SELECTIVE PRECISION ETCHING OF SEMICONDUCTOR MATERIALS Non-Final OA Lam Research Corporation
18771442 EFFICIENT CLEANING AND ETCHING OF HIGH ASPECT RATIO STRUCTURES Non-Final OA LAM RESEARCH CORPORATION
18857335 ABRASIVE GRAIN, SELECTION METHOD THEREFOR, POLISHING AGENT, MULTI-LIQUID POLISHING AGENT, POLISHING METHOD, COMPONENT MANUFACTURING METHOD, AND SEMICONDUCTOR COMPONENT MANUFACTURING METHOD Non-Final OA Resonac Corporation
18856465 CMP POLISHING LIQUID AND POLISHING METHOD Non-Final OA Resonac Corporation
18294859 POLISHING LIQUID FOR CMP, POLISHING LIQUID SET FOR CMP, AND POLISHING METHOD Non-Final OA Resonac Corporation

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