Prosecution Insights
Last updated: May 29, 2026

Examiner: STOCK JR, GORDON J

Tech Center 2800 • Art Units: 2877 2886

This examiner grants 82% of resolved cases

Performance Statistics

81.5%
Allow Rate
+13.5% vs TC avg
977
Total Applications
+17.5%
Interview Lift
863
Avg Prosecution Days
Based on 955 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
6.5%
§102 Novelty
58.0%
§103 Obviousness
28.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18372391 SEMICONDUCTOR MEASUREMENT APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18793875 OPTICAL-BASED VALIDATION OF ORIENTATIONS OF INTERNAL FACETS Non-Final OA LUMUS LTD.
18686742 METROLOGY SYSTEM, LITHOGRAPHIC APPARATUS, AND METHOD Non-Final OA ASML Netherlands B.V.
18684391 COMPENSATING OPTICAL SYSTEM FOR NONUNIFORM SURFACES, A METROLOGY SYSTEM, LITHOGRAPHIC APPARATUS, AND METHODS THEREOF Non-Final OA ASML Netherlands B.V.
18467371 ANGLE RESOLVED REFLECTOMETRY FOR THICK FILMS AND HIGH ASPECT RATIO STRUCTURES Final Rejection KLA Corporation
18856830 SYSTEMS AND METHODS FOR INSPECTING A WORKSURFACE Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18699093 DEVICE AND METHOD FOR CONVEYING AND LIVE CONTROLLING OF LIGHT BEAMS Non-Final OA UNIVERSITE DE LILLE
18335485 DIMENSIONAL METROLOGY USING NON-LINEAR OPTICS Non-Final OA FemtoMetrix, Inc.
18841193 DEMODULATION SYSTEM FOR OPTICAL FIBER FABRY-PEROT SENSOR Non-Final OA BEIJING BYWAVE SENSING TECHNOLOGY CO., LTD.
18752587 ADJUSTABLE IMAGING SYSTEM, DEVICE AND METHOD Non-Final OA Urugus S.A.
18706056 METHOD FOR OPTICALLY MEASURING TECHNICAL SURFACES, AND DEVICE FOR CARRYING OUT THE METHOD Non-Final OA BREITMEIER MESSTECHNIK GMBH
18187284 SYSTEMS AND METHODS FOR NON-CONTACT SEMICONDUCTOR TEMPERATURE MEASUREMENT Non-Final OA Trustees of Tufts College

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