Prosecution Insights
Last updated: October 27, 2026

Huan V Doan, USPTO Patent Examiner

Listed by the USPTO as DOAN, HUAN V

Tech Center 2400 • Art Units: 2437 2496 2499

This examiner grants 80% of resolved cases

Analysis

DOAN, HUAN V is assigned to Tech Center 2400 and Art Unit 2437. The profile records 287 resolved cases, an allowance rate of 80.5%, and a median of 1093 days to allowance. The 41.9% interview lift indicates a substantial association between interviews and improved allowance outcomes.

Representative companies include Verizon Communications Inc., Orange, and Cisco Technology Inc. The listed firms are Crowell, Kilpatrick Townsend & Stockton LLP - Winston-Salem, and WESTMAN CHAMPLIN & KOEHLER, P.A. The high allowance rate and strong interview lift support maintaining a deliberate interview strategy alongside substantive written responses.

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

Performance Statistics

80.5%
Allow Rate
+22.5% vs TC avg
301
Total Applications
+41.9%
Interview Lift
1093
Avg Prosecution Days
Based on 287 resolved cases, 2023–2026

Rejection Statute Breakdown

12.6%
§101 Eligibility
15.5%
§102 Novelty
58.0%
§103 Obviousness
11.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18249844 Method and device for prioritising packet flows Non-Final OA ORANGE
19044678 METHOD AND SYSTEM FOR MACHINE LEARNING MODEL GENERATION AND ANOMALOUS EVENT DETECTION Non-Final OA Verizon Patent and Licensing Inc.
18632209 COMPREHENSIBLE THREAT DETECTION Final Rejection Cisco Technology, Inc.
19025684 BENEFIT DENIAL SYSTEM FOR UNLOCKING AN ELECTRONIC DEVICE Final Rejection Lowe's Companies, Inc.

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Frequently Asked Questions

What is examiner Huan V Doan's allowance rate?

80.5% of resolved applications examined by Huan V Doan were allowed (287 resolved cases), compared with 66.4% across Art Unit 2437 over the last five years.

Does an interview help with examiner Huan V Doan?

This examiner's interview lift is +41.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Huan V Doan take to allow a patent?

Applications allowed by Huan V Doan took 1,093 days on average from filing to allowance.

Which art unit does examiner Huan V Doan work in?

Huan V Doan examines applications in Art Unit 2437 in Tech Center 2400 (Networking & Security).

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