Prosecution Insights
Last updated: April 19, 2026

Examiner: LEE, DOUGLAS

Tech Center 1700 • Art Units: 1711 1714

This examiner grants 44% of resolved cases

Performance Statistics

44.1%
Allow Rate
-20.9% vs TC avg
683
Total Applications
+14.8%
Interview Lift
1312
Avg Prosecution Days
Based on 649 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
11.3%
§102 Novelty
56.1%
§103 Obviousness
28.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18607620 POLLUTION SOURCE DETERMINATION ROBOT CLEANER AND OPERATING METHOD THEREOF Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18353111 CORDLESS VACUUM CLEANER AND CONTROL METHOD THEREFOR Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18746426 MAINTENANCE METHOD AND IMAGE RECORDING DEVICE Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18435396 CHARGING AND CLEANING SYSTEM FOR AN ELECTRIC VEHICLE Final Rejection AUDI AG
18638359 RECORDING APPARATUS AND CLEANING METHOD OF RECORDING APPARATUS Non-Final OA CANON KABUSHIKI KAISHA
18455976 CLEANING APPARATUS, CLEANING METHOD, IMPRINT APPARATUS, AND METHOD FOR MANUFACTURING AN ARTICLE Non-Final OA CANON KABUSHIKI KAISHA
18415040 EFFICIENT SURFACTANT SYSTEM ON PLASTIC AND ALL TYPES OF WARE Final Rejection ECOLAB USA INC.
18526000 ENVIRONMENT SCRUBBING VIA SWARM DEVICES Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18596205 AIR RINSING APPARATUS AND SYSTEMS FOR RINSING CONTAINERS Non-Final OA Illinois Tool Works Inc.
18675600 APPARATUS AND A PROCESS FOR STERILIZING AND RINSING CONTAINERS Non-Final OA GEA PROCOMAC S.P.A.
18523396 CONTAMINATION DETECTION DEVICE, AUTOMATIC CLEANING DEVICE, CONTAMINATION DETECTION AND AUTO-CLEANING EQUIPMENT AND METHOD USING THE SAME Non-Final OA INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18574101 METHOD FOR IMPROVED CLEANING OF A SPATIALLY DELIMITED REGION Final Rejection BSH Hausgeräte GmbH
18529049 VACUUM CLEANER AND METHOD FOR OPERATING A VACUUM CLEANER Non-Final OA BSH Hausgeräte GmbH
17854296 EDGE CLEANING BY ROBOTIC CLEANING MACHINE Non-Final OA Nilfisk A/S
18887338 Sanitary Device and Pest Prevention Device for Garbage Can Lids Non-Final OA GROTE Industries LLC
18883970 SEWER CLEANING SYSTEM Non-Final OA iPEK International GmbH
18020705 INK CLEANING AGENT USED TO RECYCLE PLASTIC LAMINATES INTO RECYCLE MATERIAL, INK FILM DETACHING METHOD, AND METHOD FOR SEPARATING AND RECOVERING DETACHED INK FILMS Final Rejection DIC Corporation
18775654 RANGE EXHAUST CLEANING SYSTEMS AND METHODS USING DETECTION AND CONTROL Non-Final OA Restaurant Technologies, Inc.
18725572 A METHOD OF CLEANING A SEMICONDUCTOR SUBSTRATE FOR A SOLAR CELL, AND A CORRESPONDING CLEANING SYSTEM Non-Final OA REC Solar PTE. Ltd.
18290681 Systems and Methods of Cleaning Extruders Non-Final OA ExxonMobil Chemical Patents Inc.
18617181 DOSING APPARATUS Non-Final OA Herbert Saier GmbH
18578440 WASHING METHOD AND APPARATUS FOR FLOOR CLEANING DEVICE, AND CLEANING APPARATUS Non-Final OA WUXI LITTLE SWAN ELECTRIC CO., LTD.
18289846 METHOD FOR RECYCLING PLASTIC FILM Final Rejection Sortology Ltd
18285739 SYSTEM FOR CLEANING MILK DUCTS FOR A MACHINE FOR PREPARING BEVERAGES Non-Final OA LUIGI LAVAZZA S.P.A

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