Prosecution Insights
Last updated: April 19, 2026

Examiner: ZHANG, RICHARD Z

Tech Center 1700 • Art Units: 1714

This examiner grants 64% of resolved cases

Performance Statistics

64.0%
Allow Rate
-1.0% vs TC avg
212
Total Applications
+67.0%
Interview Lift
971
Avg Prosecution Days
Based on 186 resolved cases, 2023–2026

Rejection Statute Breakdown

1.6%
§101 Eligibility
12.2%
§102 Novelty
45.7%
§103 Obviousness
34.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18658495 SUBSTRATE PROCESSING APPARATUS, CLEANING SUBSTRATE PROCESSING APPARATUS CLEANING METHOD, AND SUBSTRATE PROCESSING METHOD INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
17801835 MOVING ROBOTS AND METHOD FOR CONTROLLING THE SAME Final Rejection LG ELECTRONICS INC.
18746876 WASH AND RINSE ARM SYSTEM FOR DISH WASHER Non-Final OA Ecolab USA Inc.
18778283 SYSTEMS AND METHODS FOR PROVIDING A FLOW OF AIR ABOUT A LENS OF A SENSOR OF A VEHICLE Non-Final OA LG INNOTEK CO., LTD.
18892730 SYSTEMS AND METHODS FOR CLEANING CERAMIC MATRIX FROM A COMPACTION ROLLER Non-Final OA The Boeing Company
18789694 WET CLEANING METHOD Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
17847208 WET CLEANING TOOL AND METHOD Final Rejection Taiwan Semiconductor Manufacturing Company, Ltd.
18720928 METHOD AND APPARATUS TO CLEAN ADDITIVELY MANUFACTURED COMPONENTS Non-Final OA A. RAYMOND ET CIE
18802919 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS Non-Final OA SCREEN Holdings Co., Ltd.
18679593 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING DEVICE Non-Final OA SCREEN Holdings Co., Ltd.
18469619 SUBSTRATE TREATMENT APPARATUS AND METHOD FOR TREATING SUBSTRATE Final Rejection KIOXIA CORPORATION
18539187 METHOD OF PERFORMING CLEANING AND APPARATUS FOR PERFORMING SUBSTRATE PROCESSING Final Rejection TOKYO ELECTRON LIMITED
18547167 A METHOD FOR REMOVING DEPOSITS INSIDE A SECTION OF A FOOD PROCESSING SYSTEM Final Rejection Tetra Laval Holdings & Finance S.A.
18281469 ROBOTIC CLEANER SYSTEM AND THERETO RELATED METHOD Final Rejection Aktiebolaget Electrolux
18821331 APPARATUS FOR CLEANING INDUSTRIAL COMPONENTS Non-Final OA TECH SONIC LIMITED PARTNERSHIP
18781867 Process for Rinsing a Coating Product Application Device, and Associated Device Non-Final OA Exel Industries
18746926 DISH WASHING MACHINE USING INDUCTION HEATING Non-Final OA K.D.W. Company Limited
18037680 METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATE, METHOD FOR MANUFACTURING PROCESSED SEMICONDUCTOR SUBSTRATE, AND PEELING AND DISSOLVING COMPOSITION Final Rejection NISSAN CHEMICAL CORPORATION
18655789 Gas Injected Chemistry for Single Wafer Processing Final Rejection IMEC VZW
18278021 SYSTEM AND METHOD FOR CLEANING WINE AND/OR A BARREL CONTAINING WINE Non-Final OA Ariel Scientific Innovations Ltd.
18551962 DEVICE AND METHOD FOR REMOVING AUXILIARY MATERIAL OF 3D-PRINTED WORKPIECES Non-Final OA XIONEER SYSTEMS GMBH
18263207 METHOD AND CLEANING DEVICE FOR CLEANING THE INTERIOR OF A PIPE Final Rejection LOBBE INDUSTRIESERVICE GMBH & CO KG
18351003 Entry-Less Railroad Tank Car Cleaning System Final Rejection Proterra Energy Solutions Inc.

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