Prosecution Insights
Last updated: April 19, 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
972
Total Applications
+18.0%
Interview Lift
915
Avg Prosecution Days
Based on 950 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
15.0%
§102 Novelty
42.5%
§103 Obviousness
29.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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.
18853971 WHITE TRANSFER CAMERA CHECK Non-Final OA X-RITE EUROPE GMBH
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.
18612383 SYSTEM AND METHOD FOR DEVICE-LIKE OVERLAY TARGETS MEASUREMENT Final Rejection KLA Corporation
18467371 ANGLE RESOLVED REFLECTOMETRY FOR THICK FILMS AND HIGH ASPECT RATIO STRUCTURES Final Rejection KLA Corporation
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
18248093 MULTI-DIMENSIONAL RYDBERG FINGERPRINT SPECTROSCOPY Non-Final OA King Fahd University of Petroleum & Minerals
18187284 SYSTEMS AND METHODS FOR NON-CONTACT SEMICONDUCTOR TEMPERATURE MEASUREMENT Non-Final OA Trustees of Tufts College
18115109 TURBIDITY MONITORING APPARATUS Final Rejection THE WAVE TALK, INC.
18013110 A METHOD TO PRODUCE A MATCHED PAIR OF POLARIZING FILTERS AND A METHOD AND APPARATUS TO DETERMINE THE CONCENTRATION OF BIREFRINGENT PARTICLES USING A PAIR OF POLARIZING FILTERS Final Rejection HIS MAJESTY THE KING IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTER OF NATIONAL DEFENCE

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