Prosecution Insights
Last updated: October 26, 2026

Dalena Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, DALENA

Tech Center 3600 • Art Units: 2841 3656 3657 3661 3664

This examiner grants 88% of resolved cases

Analysis

TRAN, DALENA works in tech center 3600 and art unit 2841. The profile covers 1102 resolved cases, an 87.7% allowance rate, and a 9.3% interview lift. The median time to allowance is 971 days. The large record and high observed allowance measure provide a strong baseline for planning, while the interview association is positive but modest.

The recurring companies are Toyota Motor Corporation, Koninklijke Philips N.V., and Casio Computer Co., Ltd. The leading firms are HOLTZ, HOLTZ & VOLEK PC, Rankin, Hill & Clark LLP, and Setter Roche Smith & Shellenberger LLP. These participants provide useful context for automotive, medical, and consumer-device prosecution work.

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

Performance Statistics

87.7%
Allow Rate
+35.7% vs TC avg
1,124
Total Applications
+9.3%
Interview Lift
971
Avg Prosecution Days
Based on 1102 resolved cases, 2023–2026

Rejection Statute Breakdown

8.1%
§101 Eligibility
31.4%
§102 Novelty
37.6%
§103 Obviousness
14.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19248338 VEHICLE-BASED STOP-AND-GO MITIGATION SYSTEM Non-Final OA TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
18868854 MEDICAL VEHICLE AND METHOD FOR OPERATING A MEDICAL VEHICLE Non-Final OA KONINKLIJKE PHILIPS N.V.
19235090 TECHNIQUES FOR ROBOT CONTROL BASED ON DIFFERENTIABLE TASK-AND-MOTION PLANNING Non-Final OA NVIDIA CORPORATION

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Frequently Asked Questions

What is examiner Dalena Tran's allowance rate?

87.7% of resolved applications examined by Dalena Tran were allowed (1,102 resolved cases), compared with 85.1% across Art Unit 2841 over the last five years.

Does an interview help with examiner Dalena Tran?

This examiner's interview lift is +9.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dalena Tran take to allow a patent?

Applications allowed by Dalena Tran took 971 days on average from filing to allowance.

Which art unit does examiner Dalena Tran work in?

Dalena Tran examines applications in Art Unit 2841 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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