Prosecution Insights
Last updated: October 02, 2026

Examiner: GRAY, SUNGHEE Y

Tech Center 2800 • Art Units: 1737 2681 2800 2877 2886

This examiner grants 83% of resolved cases

Analysis

Sunghee Y. Gray is an examiner in Tech Center 2800, assigned to Art Unit 1737. She has resolved 535 cases, providing a substantial dataset for understanding her examination patterns. The examiner maintains an allowance rate of 83.2%, which is a strong indicator of a favorable environment for applicants. Furthermore, the data reveals a 10.7% interview lift, suggesting that oral advocacy can play a helpful role in securing an allowance.

The median days to allowance for applications under her review is 909. This 909-day timeline provides a clear expectation for the duration of the prosecution process in Art Unit 1737. The 10.7% interview lift, while modest, still offers a meaningful boost to the 83.2% allowance rate. With 535 resolved cases, the examiner's history is well-documented and offers a reliable basis for strategic planning in Tech Center 2800.

In this environment, the 83.2% allowance rate and 909-day median pendency suggest an efficient and generally positive experience for patent applicants. Practitioners should consider the 10.7% interview lift as a useful tool to address any remaining concerns. By understanding these metrics, applicants can better prepare their cases and navigate the specific requirements of Examiner Gray.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

83.2%
Allow Rate
+15.2% vs TC avg
556
Total Applications
+10.8%
Interview Lift
912
Avg Prosecution Days
Based on 536 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
13.4%
§102 Novelty
46.7%
§103 Obviousness
32.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18879346 IMAGE PICK-UP DEVICE AND IMAGE PICK-UP METHOD Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
18610384 INSPECTION CUVETTE AND SYSTEM FOR USE IN THE OPTICAL INSPECTION OF AN OPHTHALMIC LENS Non-Final OA Alcon Inc.
18325706 APPARATUS AND METHOD FOR GENERATING HOLOGRAM Non-Final OA Electronics and Telecommunications Research Institute
18969335 NOZZLE HAVING REAL TIME INSPECTION FUNCTIONS Non-Final OA TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
18796542 MARKER, METHOD FOR MANUFACTURING MARKER, AND DETECTION TARGET Non-Final OA DAI NIPPON PRINTING CO., LTD.
18558910 METROLOGY APPARATUS AND LITHOGRAPHIC APPARATUS Non-Final OA ASML Netherlands B.V.
18453531 Metrology Apparatus and a Method of Determining a Characteristic of Interest Non-Final OA ASML Netherlands B.V.
18327981 Multimodal Proximity and Visuotactile Sensing Through Transmissive Membrane Final Rejection The Trustees of the University of Pennsylvania
18981070 Line-field OCT System with K Space Calibration Non-Final OA KineoLabs, Inc.

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