Prosecution Insights
Last updated: May 29, 2026

Examiner: MARKOFF, ALEXANDER

Tech Center 1700 • Art Units: 1711 1761 1792

This examiner grants 49% of resolved cases

Performance Statistics

48.8%
Allow Rate
-16.2% vs TC avg
949
Total Applications
+32.1%
Interview Lift
1351
Avg Prosecution Days
Based on 908 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
12.2%
§102 Novelty
63.4%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18402844 SUBSTRATE CLEANING APPARATUS, SUBSTRATE PROCESSING SYSTEM INCLUDING THE SAME AND METHOD OF PROCESSING SUBSTATE USING THE SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18736692 AUTOMATIC DISHWASHING DETERGENT WATER-SOLUBLE POUCH COMPRISING SOLVENT Non-Final OA The Procter & Gamble Company
18436119 ANTI-FOULING SYSTEM, DESIGNED TO BE USED WITH A WET COMPARTMENT Final Rejection KONINKLIJKE PHILIPS N.V.
17968454 ENHANCED CHAMBER CLEAN AND RECOVERY WITH DUAL FLOW PATH Final Rejection Applied Materials, Inc.
18905707 ADJUSTABLE AIR SCOOP FOR LENS CLEANING Non-Final OA Gentex Corporation
18391366 SUBSTRATE PROCESSING DEVICE AND SUBSTRATE PROCESSING METHOD Non-Final OA SCREEN HOLDINGS CO., LTD.
18863570 CLEANING DEVICE AND CLEANING METHOD Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18675236 PROCESS AND RELATED DEVICE FOR REMOVING BY-PRODUCT ON SEMICONDUCTOR PROCESSING CHAMBER SIDEWALLS Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18231196 APPARATUS FOR ELECTRO-CHEMICAL PLATING Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
17909491 PLASMA PROCESSING METHOD Final Rejection HITACHI HIGH-TECH CORPORATION
18910702 CHEMICAL FOULING REMOVAL METHOD FOR POLYMERIZATION PROCESSES Non-Final OA Braskem S.A.
16972433 CLEANING ROBOT, CONTROL METHOD FOR SAME, AND CLEANING ROBOT SYSTEM Final Rejection Positec Power Tools (Suzhou) Co., Ltd
18713004 PLUMBING FIXTURE FOR A SHOWER SYSTEM Non-Final OA GROHE AG
18857677 AUTOMATED VACUUM AND CHARGER SYSTEM AND METHOD Non-Final OA EyeVac, LLC
18727610 PROCESS FOR REMOVING UV CURABLE PRINTING INKS Non-Final OA Sun Chemical Corporation
18419639 Surface Treatment Compositions and Methods Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18722806 SLIDE CLEANING APPARATUS AND METHOD Non-Final OA Leica Biosystems Melbourne Pty Ltd
18642130 DEBRIS REMOVAL FROM HIGH ASPECT STRUCTURES Non-Final OA Bruker Nano, Inc.
18632391 Systems and Methods for Clearing Build-Up From Conduits Final Rejection Salamander IP Holdings LLC
18412969 SYSTEM, METHOD AND APPARATUS FOR SYNTHETIC FIELD PAINT AND LINE REMOVAL WITH EDGER BRUSHES AND VACUUMING Non-Final OA Kromer Company
18406297 REPROCESSING A SINGLE-USE MEDICAL DEVICE Non-Final OA INNOVATIVE HEALTH
17888726 METHOD OF CLEANING SUBSTRATE FOR BLANK MASK, SUBSTRATE FOR BLANK MASK, AND BLANK MASK INCLUDING THE SAME Non-Final OA SK enpulse Co., Ltd.

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