Prosecution Insights
Last updated: October 26, 2026

Sunghee Y Gray, USPTO Patent Examiner

Listed by the USPTO as GRAY, SUNGHEE Y

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

This examiner grants 83% of resolved cases

Analysis

GRAY, SUNGHEE Y is a USPTO patent examiner in Tech Center 2800 and art unit 1737. The profile covers 539 resolved cases, with an allowance rate of 82.9% and a median of 912 days to allowance. Interview participation shows a lift of 11.4%, indicating a modest positive association with allowance in the recorded cases.

The leading companies are ASML Holding N.V., Fujifilm Corporation, and Panasonic Holdings Corporation. The listed firms are BakerHostetler, Brooks Kushman P.C., and Dragon Sun Law Firm, PC. The case volume supports review of successful claim presentations and recurring technical issues, while the allowance and timing figures provide a useful basis for setting prosecution expectations.

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

Performance Statistics

82.9%
Allow Rate
+14.9% vs TC avg
558
Total Applications
+11.4%
Interview Lift
912
Avg Prosecution Days
Based on 539 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
13.9%
§102 Novelty
47.2%
§103 Obviousness
32.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19278810 ANALYSIS APPARATUS Non-Final OA FUJIFILM CORPORATION
18879346 IMAGE PICK-UP DEVICE AND IMAGE PICK-UP METHOD Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
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.
18879240 EVALUATION OF ABNORMALITIES OF A SAMPLE Non-Final OA NOVA 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.

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Frequently Asked Questions

What is examiner Sunghee Y Gray's allowance rate?

82.9% of resolved applications examined by Sunghee Y Gray were allowed (539 resolved cases), compared with 63.4% across Art Unit 1737 over the last five years.

Does an interview help with examiner Sunghee Y Gray?

This examiner's interview lift is +11.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sunghee Y Gray take to allow a patent?

Applications allowed by Sunghee Y Gray took 912 days on average from filing to allowance.

Which art unit does examiner Sunghee Y Gray work in?

Sunghee Y Gray examines applications in Art Unit 1737 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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