Prosecution Insights
Last updated: October 10, 2026

Long T Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, LONG T

Tech Center 3700 • Art Units: 3747 3783

This examiner grants 83% of resolved cases

Analysis

Long T Tran, based in Art Unit 3747, has resolved 1373 cases. He has an allowance rate of 83.2 percent and a median days to allowance of 754. These figures indicate a high-volume examiner with a favorable prosecution style in Tech Center 3700. The 83.2 percent allowance rate and 754-day median pendency are the primary metrics for his profile.

The interview lift of 13.8 percent suggests that interviews provide a benefit to applicants. His docket is focused on automotive and industrial companies like Robert Bosch GmbH, Toyota Motor Corporation, and Volvo Group. Firms such as Maginot, Moore & Beck LLP, OLIFF PLC, and BLANK ROME LLP are frequently involved in his cases. These firms manage applications within the 1373 resolved cases. The 13.8 percent interview lift is a factor for practitioners navigating the 754-day median pendency. These data points provide a baseline for expected outcomes in Art Unit 3747.

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

Performance Statistics

83.2%
Allow Rate
+13.2% vs TC avg
1,392
Total Applications
+13.8%
Interview Lift
754
Avg Prosecution Days
Based on 1373 resolved cases, 2023–2026

Rejection Statute Breakdown

1.9%
§101 Eligibility
39.8%
§102 Novelty
40.6%
§103 Obviousness
16.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19109275 INJECTION VALVE FOR FUELS, CYLINDER HEAD WITH INJECTION VALVE, METHOD FOR INSTALLING AN INJECTION VALVE INTO A CYLINDER HEAD, AND USE OF A CYLINDRICAL RECEPTACLE OF A CYLINDER HEAD AS THE OUTER SHELL OF AN INJECTION VALVE Final Rejection Robert Bosch GmbH
19052687 Method for Waking up a Steering Control Unit Final Rejection Robert Bosch GmbH
18692072 Steering Gear for a Steering System of a Utility Vehicle Final Rejection Robert Bosch GmbH
18894975 DRIVING ASSISTANCE APPARATUS FOR VEHICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
19213271 VERTICAL COUPLING LOADS FOR VEHICLE COMBINATIONS Non-Final OA VOLVO TRUCK CORPORATION
19063332 VEHICLE CONTROL DEVICE, FLYING VEHICLE CONTROL DEVICE, VEHICLE CONTROL METHOD AND STORAGE MEDIUM Non-Final OA HONDA MOTOR CO., LTD.
18920122 STEER-BY-WIRE-SYSTEM AND METHOD FOR SAME Final Rejection ZF AUTOMOTIVE GERMANY GMBH
19107367 VEHICLE CONTROL APPARATUS, VEHICLE CONTROL METHOD, AND VEHICLE CONTROL SYSTEM Non-Final OA Hitachi Astemo, Ltd.
18752231 FIBER-SEISMIC TOMOGRAPHY Non-Final OA California Institute of Technology
19196611 METHOD AND APPARATUS FOR ACTIVATING ESC OF INTELLIGENT DRIVING VEHICLE Non-Final OA Yinwang Intelligent Technologies Co., Ltd.

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Frequently Asked Questions

What is examiner Long T Tran's allowance rate?

83.2% of resolved applications examined by Long T Tran were allowed (1,373 resolved cases), compared with 69.2% across Art Unit 3747 over the last five years.

Does an interview help with examiner Long T Tran?

This examiner's interview lift is +13.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Long T Tran take to allow a patent?

Applications allowed by Long T Tran took 754 days on average from filing to allowance.

Which art unit does examiner Long T Tran work in?

Long T Tran examines applications in Art Unit 3747 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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