Prosecution Insights
Last updated: April 19, 2026

Examiner: LU, JIONG-PING

Tech Center 1700 • Art Units: 1713

This examiner grants 83% of resolved cases

Performance Statistics

83.3%
Allow Rate
+18.3% vs TC avg
989
Total Applications
+7.9%
Interview Lift
836
Avg Prosecution Days
Based on 935 resolved cases, 2023–2026

Rejection Statute Breakdown

0.1%
§101 Eligibility
27.9%
§102 Novelty
47.5%
§103 Obviousness
16.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18481904 SELECTIVE HARDMASK ETCH FOR SEMICONDUCTOR PROCESSING Final Rejection Applied Materials, Inc.
18234685 PLASMA ETCHING IN SEMICONDUCTOR PROCESSING Final Rejection Applied Materials, Inc.
18364249 DOPED DIAMOND-LIKE CARBON Final Rejection Applied Materials, Inc.
18221505 CYCLIC ETCH OF SILICON OXIDE AND SILICON NITRIDE Final Rejection Applied Materials, Inc.
18422028 METHOD OF MANUFACTURING COMPOSITE ARTICLE Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18359747 REPLACEMENT GATE PROCESS FOR SEMICONDUCTOR DEVICES Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18326494 SUBSTRATE GRINDING TOOL AND METHODS OF OPERATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18315868 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND PHOTORESIST COMPOSITION Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
18411986 COMPOSITIONS FOR POLISHING HARDMASKS AND RELATED SYSTEMS AND METHODS Non-Final OA ENTEGRIS, INC.
18385340 POSITIVELY CHARGED ABRASIVE WITH NEGATIVELY CHARGED IONIC OXIDIZER FOR POLISHING APPLICATION Final Rejection ENTEGRIS, INC.
18620482 ETCHING BI-METAL OXIDES WITH ALKALINE EARTH METALS Non-Final OA Tokyo Electron Limited
18620417 HARD MASK PROTECTION OF METAL INTERCONNECTS Non-Final OA Tokyo Electron Limited
18585340 Methods To Improve Etch Uniformity Across A Semiconductor Substrate When Etching With A Hydrofluoric Acid (HF) And Nitric Acid (HNO3) Solution Non-Final OA Tokyo Electron Limited
18418757 SUBSTRATE TREATMENT METHOD, SUBSTRATE TREATMENT APPARATUS, AND COMPUTER STORAGE MEDIUM Non-Final OA Tokyo Electron Limited
18410031 ETCHING METHOD AND PLASMA PROCESSING APPARATUS Non-Final OA Tokyo Electron Limited
18406783 METHOD AND SYSTEM FOR PLASMA PROCESS Non-Final OA Tokyo Electron Limited
18554225 ETCHING METHOD AND PROCESSING DEVICE Non-Final OA Tokyo Electron Limited
18239303 SILICON ETCHING SOLUTION AND METHOD FOR PRODUCING SILICON ETCHING SOLUTION, METHOD FOR TREATING SUBSTRATE, AND METHOD FOR PRODUCING SILICON DEVICE Final Rejection TOKUYAMA CORPORATION
18686043 POLISHING LIQUID, POLISHING METHOD, COMPONENT MANUFACTURING METHOD, AND SEMICONDUCTOR COMPONENT MANUFACTURING METHOD Non-Final OA Resonac Corporation
18294889 POLISHING LIQUID FOR CMP, POLISHING LIQUID SET FOR CMP AND POLISHING METHOD Non-Final OA Resonac Corporation
18264534 POLISHING LIQUID, POLISHING LIQUID SET AND POLISHING METHOD Final Rejection RESONAC CORPORATION
18690902 PLASMA PROCESSING METHOD Non-Final OA Hitachi High-Tech Corporation
18387655 SUBSTRATE PROCESSING DEVICE AND SUBSTRATE PROCESSING METHOD Final Rejection SEMES CO., LTD.
18256893 HIGH SELECTIVITY, LOW STRESS, AND LOW HYDROGEN CARBON HARDMASKS IN LOW-PRESSURE CONDITIONS WITH WIDE GAP ELECTRODE SPACING Final Rejection Lam Research Corporation
18421013 POLISHING COMPOSITION, POLISHING METHOD, AND METHOD OF MANUFACTURING SEMICONDUCTOR SUBSTRATE Non-Final OA FUJIMI INCORPORATED
17442712 POLISHING COMPOSITION Final Rejection FUJIMI INCORPORATED
18255975 RECESS ETCHING SOLUTION, RECESS ETCHING METHOD, AND SURFACE-TREATED SEMICONDUCTOR SUBSTRATE MANUFACTURING METHOD Non-Final OA MITSUBISHI GAS CHEMICAL COMPANY, INC.
18141530 Polishing Compositions and Methods of Using Same Final Rejection Fujifilm Electronic Materials U.S.A., Inc.
18534907 SUPPRESSION OF MANGANESE DIOXIDE FORMATION IN MANGANESE (III)-BASED ETCHING SOLUTIONS Non-Final OA MacDermid Enthone Inc.
18547497 Semiconductor Structures and Methods of Forming Them Non-Final OA ChangXin Memory Technologies, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month