Prosecution Insights
Last updated: October 26, 2026

Keili Diaz, USPTO Patent Examiner

Listed by the USPTO as DIAZ, KEILI

Tech Center 2800 • Art Units: 1734 1786 2818 2898

This examiner grants 0% of resolved cases

Performance Statistics

—
Allow Rate
-68.0% vs TC avg
8
Total Applications
—
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
7.1%
§102 Novelty
57.1%
§103 Obviousness
35.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18312185 HETEROCYCLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND ELECTRONIC APPARATUS INCLUDING THE ORGANIC LIGHT-EMITTING DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18491018 OPTOELECTRONIC DEVICE, AND ELECTRONIC APPARATUS AND ELECTRONIC EQUIPMENT INCLUDING THE SAME Non-Final OA Samsung Display Co., Ltd.
18486424 LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME Non-Final OA Samsung Display Co., Ltd.
18306364 LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME Non-Final OA Samsung Display Co., Ltd.
18377352 COMPOUND FOR ORGANIC OPTOELECTRONIC DEVICE, COMPOSITION FOR ORGANIC OPTOELECTRONIC DEVICE, ORGANIC OPTOELECTRONIC DEVICE AND DISPLAY DEVICE Non-Final OA SAMSUNG SDI CO., LTD.
18140701 ORGANIC OPTOELETRONIC DEVICE AND DISPLAY DEVICE Non-Final OA SAMSUNG SDI CO., LTD.

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Frequently Asked Questions

Which art unit does examiner Keili Diaz work in?

Keili Diaz examines applications in Art Unit 1734 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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