Prosecution Insights
Last updated: April 19, 2026

Examiner: MARKOFF, ALEXANDER

Tech Center 1700 • Art Units: 1711 1761 1792

This examiner grants 49% of resolved cases

Performance Statistics

48.6%
Allow Rate
-16.4% vs TC avg
947
Total Applications
+32.2%
Interview Lift
1328
Avg Prosecution Days
Based on 899 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
25.1%
§102 Novelty
36.5%
§103 Obviousness
31.6%
§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.
18122280 VACUUM CLEANER AND METHOD FOR CONTROLLING THE SAME Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18419269 CLEANING APPARATUS, BATTERY PROCESSING DEVICE, AND BATTERY PROCESSING METHOD Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18736692 AUTOMATIC DISHWASHING DETERGENT WATER-SOLUBLE POUCH COMPRISING SOLVENT Non-Final OA The Procter & Gamble Company
18736640 AUTOMATIC DISHWASHING DETERGENT WATER-SOLUBLE POUCH COMPRISING BLEACH Final Rejection The Procter & Gamble Company
17968454 ENHANCED CHAMBER CLEAN AND RECOVERY WITH DUAL FLOW PATH Final Rejection Applied Materials, Inc.
18231196 APPARATUS FOR ELECTRO-CHEMICAL PLATING Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
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.
18436119 ANTI-FOULING SYSTEM, DESIGNED TO BE USED WITH A WET COMPARTMENT Final Rejection KONINKLIJKE PHILIPS N.V.
17661095 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Final Rejection Tokyo Electron Limited
18863570 CLEANING DEVICE AND CLEANING METHOD Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
17909491 PLASMA PROCESSING METHOD Final Rejection HITACHI HIGH-TECH CORPORATION
17972666 SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD Non-Final OA SEMES CO., LTD.
18910702 CHEMICAL FOULING REMOVAL METHOD FOR POLYMERIZATION PROCESSES Non-Final OA Braskem S.A.
18550733 CONTROL OF METALLIC CONTAMINATION FROM METAL-CONTAINING PHOTORESIST Non-Final OA Lam Research Corporation
18010990 INTERMITTENT STAGNANT FLOW Non-Final OA LAM RESEARCH CORPORATION
18727610 PROCESS FOR REMOVING UV CURABLE PRINTING INKS Non-Final OA Sun Chemical Corporation
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
18406297 REPROCESSING A SINGLE-USE MEDICAL DEVICE Non-Final OA INNOVATIVE HEALTH
18419639 Surface Treatment Compositions and Methods Non-Final OA Fujifilm Electronic Materials U.S.A., Inc.
18242622 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
18632391 Systems and Methods for Clearing Build-Up From Conduits Final Rejection Salamander IP Holdings LLC
18621210 Apparatus For Fluidizing Particle Beds And Method Of Operating The Same Non-Final OA Rösler Holding GmbH
18591342 ROBOT VACUUM SYSTEM WITH OBSTRUCTION CONTROL Final Rejection Clutterbot, Inc.
18412969 SYSTEM, METHOD AND APPARATUS FOR SYNTHETIC FIELD PAINT AND LINE REMOVAL WITH EDGER BRUSHES AND VACUUMING Non-Final OA Kromer Company
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.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month