Prosecution Insights
Last updated: October 26, 2026

Trang T Doan, USPTO Patent Examiner

Listed by the USPTO as DOAN, TRANG T

Tech Center 2400 • Art Units: 2131 2431

This examiner grants 83% of resolved cases

Analysis

DOAN, TRANG T works in tech center 2400 and art unit 2131. The profile contains 637 resolved cases, an 82.9% allowance rate, and a median of 1219 days to allowance. The 16.8% interview lift indicates that interviews can contribute to prosecution outcomes, although the record also reflects a substantial underlying allowance rate.

The leading companies are NetSkope Inc., Nchain Licensing AG, and Wells Fargo Bank, N.A. The leading firms are CESARI AND MCKENNA, LLP, HG Law LLP (Adeia), and VOLPE KOENIG. Counsel can use the profile to identify recurring stakeholders and prepare interview and amendment strategies suited to this art unit.

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

Performance Statistics

82.9%
Allow Rate
+24.9% vs TC avg
663
Total Applications
+16.8%
Interview Lift
1219
Avg Prosecution Days
Based on 637 resolved cases, 2023–2026

Rejection Statute Breakdown

15.3%
§101 Eligibility
19.7%
§102 Novelty
35.3%
§103 Obviousness
19.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18135246 QUANTUM PRIME NUMBER GENERATION (QPNG) Final Rejection Wells Fargo Bank, N.A.
18870969 RANGING METHOD AND RANGING DEVICE Final Rejection Beijing Xiaomi Mobile Software Co., Ltd.

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Frequently Asked Questions

What is examiner Trang T Doan's allowance rate?

82.9% of resolved applications examined by Trang T Doan were allowed (637 resolved cases), compared with 0.0% across Art Unit 2131 over the last five years.

Does an interview help with examiner Trang T Doan?

This examiner's interview lift is +16.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Trang T Doan take to allow a patent?

Applications allowed by Trang T Doan took 1,219 days on average from filing to allowance.

Which art unit does examiner Trang T Doan work in?

Trang T Doan examines applications in Art Unit 2131 in Tech Center 2400 (Networking & Security).

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