Prosecution Insights
Last updated: October 26, 2026

Dennis Truong, USPTO Patent Examiner

Listed by the USPTO as TRUONG, DENNIS

Tech Center 2600 • Art Units: 2152 2161 2164 2169 2642

This examiner grants 74% of resolved cases

Analysis

Dennis Truong has managed 631 resolved cases in Art Unit 2152 of Tech Center 2600. The examiner maintains an allowance rate of 74.3% and a median time to allowance of 1187 days. These metrics indicate a successful prosecution environment, though the process typically takes 1187 days. The 631 resolved cases provide a stable statistical basis for these performance figures.

The interview lift is 27.5%, which indicates that conducting an interview is associated with a significant increase in the 74.3% allowance rate. This suggests that oral communication is a highly effective tool for practitioners. Notable companies in the examiner's portfolio include Apple Inc., American Express Travel Related Services Company, Inc., and Raqaivd B V. These clients are often represented by FENWICK & WEST LLP, KINNEY & LANGE, P.A., and STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C. Practitioners should prioritize interviews given the 27.5% lift.

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

Performance Statistics

74.3%
Allow Rate
+12.3% vs TC avg
645
Total Applications
+27.5%
Interview Lift
1187
Avg Prosecution Days
Based on 631 resolved cases, 2023–2026

Rejection Statute Breakdown

10.4%
§101 Eligibility
25.1%
§102 Novelty
50.4%
§103 Obviousness
7.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19038072 TECHNIQUES FOR PROVIDING RELEVANT SEARCH RESULTS FOR SEARCH QUERIES Non-Final OA Apple Inc.
19043679 DYNAMIC NETWORK ANALYSIS AND INTERACTIVITY USING A LARGE LANGUAGE MODEL Non-Final OA Insight Direct USA, Inc.
18868312 CONTROLLING AN AQUATIC VESSEL Non-Final OA BAE SYSTEMS PLC

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Frequently Asked Questions

What is examiner Dennis Truong's allowance rate?

74.3% of resolved applications examined by Dennis Truong were allowed (631 resolved cases), compared with 64.7% across Art Unit 2152 over the last five years.

Does an interview help with examiner Dennis Truong?

This examiner's interview lift is +27.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dennis Truong take to allow a patent?

Applications allowed by Dennis Truong took 1,187 days on average from filing to allowance.

Which art unit does examiner Dennis Truong work in?

Dennis Truong examines applications in Art Unit 2152 in Tech Center 2600 (Communications).

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