Prosecution Insights
Last updated: August 18, 2026

Examiner: LU, JIONG-PING

Tech Center 1700 • Art Units: 1713 1716

This examiner grants 84% of resolved cases

Performance Statistics

83.5%
Allow Rate
+18.5% vs TC avg
1,002
Total Applications
+7.9%
Interview Lift
779
Avg Prosecution Days
Based on 966 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
28.3%
§102 Novelty
49.1%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18750176 ETCHING COMPOSITION, METAL-CONTAINING FILM ETCHING METHOD USING THE SAME, AND SEMICONDUCTOR DEVICE MANUFACTURING METHOD USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18436073 ETCHING COMPOSITIONS Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18389847 SELECTIVE ETCHING METHOD AND ETCHING ASSEMBLY Final Rejection ASM IP Holding B.V.
18680497 POLISHING COMPOSITION AND METHOD FOR CONDUCTING A MATERIAL REMOVING OPERATION Non-Final OA SAINT-GOBAIN CERAMICS & PLASTICS, INC.
18326494 SUBSTRATE GRINDING TOOL AND METHODS OF OPERATION Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18315868 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND PHOTORESIST COMPOSITION Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18762702 PROCESSES FOR REDUCING LINE-END SPACING Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18781125 CONFORMAL SELECTIVE ETCHING OF SILICON OXIDE Non-Final OA Applied Materials, Inc.
18602986 PRIME STEP FOR METAL ETCH IN HIGH ASPECT-RATIO FEATURES Non-Final OA Applied Materials, Inc.
18554225 ETCHING METHOD AND PROCESSING DEVICE Final Rejection Tokyo Electron Limited
18755022 METHOD INCLUDING UNDER-ETCHING AN ION-INDUCED DAMAGE LAYER TO FACILITATE SEPARATION OF A SUBSTRATE FILM LAYER FROM AN UNDERLYING SUBSTRATE BULK REGION Non-Final OA Microchip Technology Incorporated
18711773 CONTROL OF ETCH PROFILES IN HIGH ASPECT RATIO HOLES VIA THERMAL ATOMIC LAYER ETCHING Non-Final OA Lam Research Corporation
18750002 THIN-FILM CRYSTALLINE STRUCTURE WITH SURFACES HAVING SELECTED PLANE ORIENTATIONS Non-Final OA Seagate Technology LLC
18804184 SILICA PARTICLES, PRODUCTION METHOD THEREFOR, SILICA SOL, POLISHING COMPOSITION, POLISHING METHOD, METHOD FOR PRODUCING SEMICONDUCTOR WAFER, AND METHOD FOR PRODUCING SEMICONDUCTOR DEVICE Non-Final OA Mitsubishi Chemical Corporation
18255975 RECESS ETCHING SOLUTION, RECESS ETCHING METHOD, AND SURFACE-TREATED SEMICONDUCTOR SUBSTRATE MANUFACTURING METHOD Final Rejection MITSUBISHI GAS CHEMICAL COMPANY, INC.
18686043 POLISHING LIQUID, POLISHING METHOD, COMPONENT MANUFACTURING METHOD, AND SEMICONDUCTOR COMPONENT MANUFACTURING METHOD Final Rejection Resonac Corporation
18294889 POLISHING LIQUID FOR CMP, POLISHING LIQUID SET FOR CMP AND POLISHING METHOD Final Rejection Resonac Corporation
18264534 POLISHING LIQUID, POLISHING LIQUID SET AND POLISHING METHOD Non-Final OA RESONAC CORPORATION
18547497 Semiconductor Structures and Methods of Forming Them Final Rejection ChangXin Memory Technologies, Inc.

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