Prosecution Insights
Last updated: October 26, 2026

Khoa D Doan, USPTO Patent Examiner

Listed by the USPTO as DOAN, KHOA D

Tech Center 2100 • Art Units: 2133 2139

This examiner grants 90% of resolved cases

Analysis

DOAN, KHOA D is assigned to Tech Center 2100 and Art Unit 2133. The profile covers 372 resolved cases, with a 90.1% allowance rate and a median of 743 days to allowance. The 7.5% interview lift indicates that interviews are associated with a modest improvement in allowance outcomes.

The listed companies are Seagate Technology LLC, Texas Instruments Incorporated, and Yangtze Memory Technologies Co., Ltd. The leading firms are CONLEY ROSE, P.C. and Meunier Carlin & Curfman LLC. The high allowance rate, substantial case volume, and relatively short median timing support efficient written prosecution planning, with interviews used selectively.

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

Performance Statistics

90.1%
Allow Rate
+35.1% vs TC avg
385
Total Applications
+7.5%
Interview Lift
743
Avg Prosecution Days
Based on 372 resolved cases, 2023–2026

Rejection Statute Breakdown

7.6%
§101 Eligibility
9.8%
§102 Novelty
52.3%
§103 Obviousness
22.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19267756 ADDRESS SPACE MAPPING Non-Final OA TEXAS INSTRUMENTS INCORPORATED

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Frequently Asked Questions

What is examiner Khoa D Doan's allowance rate?

90.1% of resolved applications examined by Khoa D Doan were allowed (372 resolved cases), compared with 85.8% across Art Unit 2133 over the last five years.

Does an interview help with examiner Khoa D Doan?

This examiner's interview lift is +7.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Khoa D Doan take to allow a patent?

Applications allowed by Khoa D Doan took 743 days on average from filing to allowance.

Which art unit does examiner Khoa D Doan work in?

Khoa D Doan examines applications in Art Unit 2133 in Tech Center 2100 (Computing & Software).

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