Prosecution Insights
Last updated: October 26, 2026

Michael Brennan Sun, USPTO Patent Examiner

Listed by the USPTO as SUN, MICHAEL BRENNAN

Tech Center 2800 • Art Units: 2892

This examiner grants 100% of resolved cases

Analysis

Sun, Michael Brennan is assigned to Tech Center 2800 and Art Unit 2892. The profile contains 2 resolved cases and reports a 100.0% allowance rate. The limited record means the allowance figure should be treated as an early indicator rather than a settled measure of examination practice.

The interview lift is 0.0%, showing no recorded association between interviews and allowance outcomes in this profile. The median time to allowance is 973 days. The listed companies are Samsung Display, Applied Materials, and Samsung Electronics. The listed firms are CANTOR COLBURN, DORITY & MANNING, and HARNESS, DICKEY & PIERCE.

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

Performance Statistics

100.0%
Allow Rate
+32.0% vs TC avg
20
Total Applications
+0.0%
Interview Lift
973
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
30.8%
§102 Novelty
56.4%
§103 Obviousness
12.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18634187 SEMICONDUCTOR DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18680802 DISPLAY DEVICE Non-Final OA Samsung Display Co., LTD.
18598506 DISPLAY DEVICE Final Rejection Samsung Display Co., LTD.
18542034 SELF-ALIGNED BACKSIDE DIFFUSION BREAK AND S/D CONTACT Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18632863 METHOD OF LOW-TEMPERATURE N-TYPE SELECTIVE SILICON EPITAXY Non-Final OA Applied Materials, Inc.
18391541 LOW ENERGY TREATMENT TO PASSIVATE SiC SUBSTRATE DEFECTS Final Rejection Applied Materials, Inc.
18625292 RESISTIVE MEMORY CELL TOP ELECTRODE CONTACT WITH REDUCED CORNER EROSION AND METHOD OF FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18664941 SEMICONDUCTOR FRAME AND SEMICONDUCTOR PACKAGE INCLUDING THE SAME Non-Final OA SAMSUNG ELECTRO-MECHANICS CO., LTD.

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Frequently Asked Questions

What is examiner Michael Brennan Sun's allowance rate?

100.0% of resolved applications examined by Michael Brennan Sun were allowed (2 resolved cases), compared with 71.9% across Art Unit 2892 over the last five years.

Does an interview help with examiner Michael Brennan Sun?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Michael Brennan Sun take to allow a patent?

Applications allowed by Michael Brennan Sun took 973 days on average from filing to allowance.

Which art unit does examiner Michael Brennan Sun work in?

Michael Brennan Sun examines applications in Art Unit 2892 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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