Prosecution Insights
Last updated: April 19, 2026

Examiner: CAMPBELL, NATASHA N.

Tech Center 1700 • Art Units: 1714 1792

This examiner grants 67% of resolved cases

Performance Statistics

67.4%
Allow Rate
+2.4% vs TC avg
850
Total Applications
+14.4%
Interview Lift
1098
Avg Prosecution Days
Based on 826 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
17.1%
§102 Novelty
52.4%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18812203 BRUSH PROCESSING APPARATUS AND BRUSH PROCESSING METHOD USING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18062543 METHOD OF CLEANING CHAMBER Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18428526 AUTOMATED DE-POWDERING OF ADDITIVE MANUFACTURING BUILD Non-Final OA General Electric Company
18173415 METHOD FOR SELECTING SCALE-DISSOLVING AGENT Final Rejection FUJI ELECTRIC CO., LTD.
18732080 SYSTEM AND METHOD OF CLEANING PROCESS CHAMBER COMPONENTS Non-Final OA Applied Materials, Inc.
18785519 SEMICONDUCTOR PROCESSING TOOL AND METHODS OF OPERATION Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18175706 WASHING DEVICE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Final Rejection Kioxia Corporation
18823333 DEBRIS COLLECTION HOPPER AND METHODS Non-Final OA Federal Signal Corporation
18786227 PLASMA VESSEL CLEANING FOR ION BEAM SYSTEM Non-Final OA VEECO INSTRUMENTS INC.
18684667 Marine Cleaning Non-Final OA CLEANSUBSEA OPERATIONS PTY LTD
17471578 MEDICAL DEVICE CLEANING DEVICES AND METHODS Non-Final OA CLARUS MEDICAL, LLC

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