Prosecution Insights
Last updated: May 29, 2026

Examiner: ZHANG, RICHARD Z

Tech Center 3700 • Art Units: 1714 3723

This examiner grants 64% of resolved cases

Performance Statistics

64.4%
Allow Rate
-5.6% vs TC avg
218
Total Applications
+66.2%
Interview Lift
975
Avg Prosecution Days
Based on 191 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
3.9%
§102 Novelty
86.5%
§103 Obviousness
7.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17801835 MOVING ROBOTS AND METHOD FOR CONTROLLING THE SAME Final Rejection LG ELECTRONICS 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.
18720928 METHOD AND APPARATUS TO CLEAN ADDITIVELY MANUFACTURED COMPONENTS Non-Final OA A. RAYMOND ET CIE
18679593 SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING DEVICE Non-Final OA SCREEN Holdings Co., Ltd.
18892730 SYSTEMS AND METHODS FOR CLEANING CERAMIC MATRIX FROM A COMPACTION ROLLER Non-Final OA The Boeing Company
18469619 SUBSTRATE TREATMENT APPARATUS AND METHOD FOR TREATING SUBSTRATE Non-Final OA KIOXIA CORPORATION
18789694 WET CLEANING METHOD Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18539187 METHOD OF PERFORMING CLEANING AND APPARATUS FOR PERFORMING SUBSTRATE PROCESSING Final Rejection TOKYO ELECTRON LIMITED
18781867 Process for Rinsing a Coating Product Application Device, and Associated Device Non-Final OA Exel Industries
18746876 WASH AND RINSE ARM SYSTEM FOR DISH WASHER Non-Final OA Ecolab USA Inc.
18278021 SYSTEM AND METHOD FOR CLEANING WINE AND/OR A BARREL CONTAINING WINE Non-Final OA Ariel Scientific Innovations Ltd.
18830712 SUBSTRATE SURFACE TREATMENT DEVICE AND SUBSTRATE SURFACE TREATMENT METHOD Non-Final OA Hiroyuki ORITA
18821331 APPARATUS FOR CLEANING INDUSTRIAL COMPONENTS Non-Final OA TECH SONIC LIMITED PARTNERSHIP
18037680 METHOD FOR CLEANING SEMICONDUCTOR SUBSTRATE, METHOD FOR MANUFACTURING PROCESSED SEMICONDUCTOR SUBSTRATE, AND PEELING AND DISSOLVING COMPOSITION Non-Final OA NISSAN CHEMICAL CORPORATION
18655789 Gas Injected Chemistry for Single Wafer Processing Final Rejection IMEC VZW
18281469 ROBOTIC CLEANER SYSTEM AND THERETO RELATED METHOD Final Rejection Aktiebolaget Electrolux
18351003 Entry-Less Railroad Tank Car Cleaning System Final Rejection Proterra Energy Solutions Inc.
18018589 CORNEAL CONTACT LENS CLEANER AND METHOD FOR DETECTING PROTEIN REMOVAL EFFECT THEREOF Non-Final OA SUZHOU 3N BIOLOGICAL TECHNOLOGY CO., LTD

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