Prosecution Insights
Last updated: April 19, 2026

Examiner: SOTO, CHRISTOPHER ASHLEY

Tech Center 3700 • Art Units: 3723

This examiner grants 54% of resolved cases

Performance Statistics

53.6%
Allow Rate
-16.4% vs TC avg
167
Total Applications
+28.9%
Interview Lift
1022
Avg Prosecution Days
Based on 110 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
22.8%
§102 Novelty
47.1%
§103 Obviousness
26.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18440747 RETAINER RING MODULE AND CHEMICAL MECHANICAL POLISHING APPARATUS INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18570020 ELECTRIC TOOL, CONTROL METHOD, AND PROGRAM Non-Final OA Panasonic Holdings Corporation
18571603 CLEANER STATION AND CLEANER SYSTEM Non-Final OA LG Electronics Inc.
18421251 INTEGRATED CYCLONIC SEPARATOR IN A WET-DRY VACUUM Final Rejection TECHTRONIC CORDLESS GP
18392278 WORKBENCH-HAND TRUCK ASSEMBLY Final Rejection Techtronic Cordless GP
17961516 ACOUSTIC MONITORING OF CMP RETAINING RING Non-Final OA Applied Materials, Inc.
17735623 WAFER FILM FRAME CARRIER Final Rejection Applied Materials, Inc.
18590126 Wiper Blade Wear Indicator and System Non-Final OA Illinois Tool Works Inc.
18727450 MOPPING DEVICE Final Rejection Carl Freudenberg KG
17040110 HOSE COUPLING SYSTEM FOR A VACUUM CLEANER Non-Final OA Hilti Aktiengesellschaft
18570205 REGULAR HOUSEHOLD CLEANING Final Rejection BSH Hausgeräte GmbH
18029059 POLISHING AND CLEANING METHOD, CLEANER AND POLISHING CLEANING SET Final Rejection FUJIMI INCORPORATED
17902995 PROCESSING DEVICE Non-Final OA TOKYO SEIMITSU CO., LTD.
18014506 VACUUM CLEANER Non-Final OA Dyson Technology Limited
17962090 CMP PROCESS APPLIED TO A THIN SIC WAFER FOR STRESS RELEASE AND DAMAGE RECOVERY Final Rejection STMICROELECTRONICS S.r.l.
17936532 GRINDING APPARATUS Non-Final OA DISCO CORPORATION
17908563 SANDING PAD HAVING A SEALING ELEMENT AND A RIB STRUCTURE, AND SANDING MACHINE Final Rejection Festool GmbH
18665997 MATERIAL COLLECTION SYSTEM Non-Final OA Old Dominion Brush Company
18440084 COMPACT RATCHET WRENCH Non-Final OA Hong Ann Tool Industries Co., Ltd.
18451481 CLEANING SYSTEM FOR CLEANING A FLOOR OF A CLOSED SYSTEM Non-Final OA Bristola, LLC
18430729 BRUSH HEAD AND ELECTRIC TOOTHBRUSH THEREOF AND BRUSH HEAD INSERT Non-Final OA NINGBO SEAGO ELECTRIC CO., LTD.
18571810 APPARATUS FOR CLAMPING WORKPIECES ON MACHINE TOOLS Non-Final OA Hydroblock S.r.l.
18415737 BEAUTY BRUSH Non-Final OA Jing Men Jun Kai E-commerce Co.,Ltd
18576434 DRESSING DEVICE, GEAR GRINDING MACHINE, AND DRESSING METHOD FOR GRINDING WHEEL Non-Final OA Nidec Machine Tool Corporation
18575486 KNIFE SHARPENING DEVICE, AND KNIFE REPLACEMENT METHOD AND SYSTEM Non-Final OA Mundial INC.
18500242 Vacuum device Non-Final OA Producteers International GmbH
18457384 DUAL TABLE SLAB PROCESSING MACHINE AND RELATED METHOD Non-Final OA POSEIDON INDUSTRIES, INC.
17874989 POLISHING PAD AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE USING SAME Non-Final OA SK enpulse Co., Ltd.
18040685 PSYCHOACOUSTIC GEAR TOOTH FLANK FORM MODIFICATION Non-Final OA THE GLEASON WORKS
17788542 Universal load take-up device for dumper wheel rim Final Rejection ETABLISSEMENTS GEORGES RENAULT

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