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Last updated: May 29, 2026

Examiner: GRAY, SUNGHEE Y

Tech Center 2800 • Art Units: 2877 2886

This examiner grants 84% of resolved cases

Performance Statistics

83.5%

Allow Rate

+15.5% vs TC avg

542

Total Applications

+10.5%

Interview Lift

905

Avg Prosecution Days

Based on 526 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%

§101 Eligibility

2.9%

§102 Novelty

66.1%

§103 Obviousness

23.1%

§112 Clarity

Currently Pending Office Actions

App #	Title	Status	Assignee
18391824	Adjusted Color Prescriptions for Aqueous Coating Compositions to Correct Gloss Differences	Non-Final OA	Columbia Insurance Company
18532585	METHODS OF ESTIMATING LINE WIDTH AND SYSTEMS THEREOF	Non-Final OA	Tokyo Electron Limited
18345335	COMPACT OPTICAL SMOKE DETECTOR SYSTEM AND APPARATUS	Final Rejection	Analog Devices, Inc.
18036407	OPTICAL-BASED VALIDATION OF ORIENTATIONS OF SURFACES	Final Rejection	LUMUS LTD.
18776767	SKID ATTACHMENT	Non-Final OA	Wyatt Technology, LLC
18280072	MEASURING DEVICE AND METHOD FOR MEASURING OPTICAL ELEMENTS	Non-Final OA	Dutch United Instruments B.V.
18448182	DETECTION TUBE, DETECTION SYSTEM AND OPTICAL DETECTION METHOD FOR PARAMETER OF TEST SPECIMEN	Non-Final OA	SKYLA Corporation
18344085	Measurement of Bidirectional Reflectance Distribution	Non-Final OA	DATACOLOR INC.
17782843	WEDGE CHAMBER DEVICE FOR MOUNTING SAMPLES FOR MICROSCOPY	Non-Final OA	Mizar Imaging, LLC

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