Prosecution Insights
Last updated: October 26, 2026

Em N Trieu, USPTO Patent Examiner

Listed by the USPTO as TRIEU, EM N

Tech Center 2100 • Art Units: 1686 2126 2128 2141

This examiner grants 46% of resolved cases

Analysis

TRIEU, EM N is assigned to tech center 2100 and art unit 1686. The examiner has 74 resolved cases, an allowance rate of 45.9%, and a median of 1636 days to allowance. The limited case count calls for caution, but the record shows a lower observed allowance outcome and the longest listed median timing in this profile.

The interview lift is 14.3%, indicating that interviews may have a targeted rather than central role in prosecution planning. The listed companies are Samsung Electronics Co., Ltd., Capital One Services LLC, and Citibank, N.A. The listed firms are BERKELEY LAW & TECHNOLOGY GROUP, LLP, CANTOR COLBURN LLP, and KDW Firm PLLC (1988). These names provide context for represented applicants and counsel.

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

Performance Statistics

45.9%
Allow Rate
-9.1% vs TC avg
104
Total Applications
+14.3%
Interview Lift
1636
Avg Prosecution Days
Based on 74 resolved cases, 2023–2026

Rejection Statute Breakdown

31.3%
§101 Eligibility
7.0%
§102 Novelty
50.1%
§103 Obviousness
9.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18105723 SYSTEMS AND METHODS FOR MATRIX OPERATION SELECTOR BASED ON MACHINE LEARNING Final Rejection Samsung Electronics Co., Ltd.
17238460 METHOD AND DEVICE FOR SEARCHING NEW MATERIAL Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18009178 TRANSFER MACHINE LEARNING FOR ATTRIBUTE PREDICTION Non-Final OA Google LLC
18573527 UNSUPERVISED MODEL DRIFT ESTIMATION SYSTEM FOR DATASET SHIFT DETECTION AND MODEL SELECTION Non-Final OA Intel Corporation
18197197 MULTI-SCALE ARTIFICAL NEURAL NETWORK AND A METHOD FOR OPERATING SAME FOR TIME SERIES FORECASTING Final Rejection Royal Bank of Canada

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Frequently Asked Questions

What is examiner Em N Trieu's allowance rate?

45.9% of resolved applications examined by Em N Trieu were allowed (74 resolved cases), compared with 45.6% across Art Unit 1686 over the last five years.

Does an interview help with examiner Em N Trieu?

This examiner's interview lift is +14.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Em N Trieu take to allow a patent?

Applications allowed by Em N Trieu took 1,636 days on average from filing to allowance.

Which art unit does examiner Em N Trieu work in?

Em N Trieu examines applications in Art Unit 1686 in Tech Center 2100 (Computing & Software).

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