Prosecution Insights
Last updated: October 27, 2026

Tiffany T Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, TIFFANY T

Tech Center 3700 • Art Units: 3654 3761

This examiner grants 61% of resolved cases

Analysis

TRAN, TIFFANY T works in Tech Center 3700 and Art Unit 3654. The record shows 279 resolved cases, a 60.6% allowance rate, and a 47.0% interview lift. The median time to allowance is 1456 days. The profile reports an allowance outcome above half of resolved cases and the largest interview-associated effect in this group, while the pendency figure supports planning well before a commercial deadline.

LG Energy Solution Ltd., Seagate Technology LLC, and Siemens Aktiengesellschaft are the leading companies. The principal firms are FAEGRE DRINKER BIDDLE & REATH LLP (DC), Burr & Forman LLP (Primary Customer Number), and CANTOR COLBURN LLP. Practitioners may place substantial emphasis on interview preparation, supported by amendments that are technically specific and fully documented.

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

Performance Statistics

60.6%
Allow Rate
-9.4% vs TC avg
315
Total Applications
+47.0%
Interview Lift
1456
Avg Prosecution Days
Based on 279 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
16.5%
§102 Novelty
50.6%
§103 Obviousness
29.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18700387 Electrode Fabric Transfer Device, and Electrode Notching Device Comprising the Same Non-Final OA LG Energy Solution, Ltd.
17920117 Determining a Radiation Intensity and/or a Wavelength of Process Lighting Non-Final OA Siemens Aktiengesellschaft
18700594 ERGONOMIC BEVERAGE MACHINE Non-Final OA SOCIETE DES PRODUITS NESTLE S.A.
18470524 INFRARED SENSOR TURRET FOR REFLOW OVENS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
18757732 AEROSOL-GENERATING SYSTEM COMPRISING A VIBRATABLE ELEMENT Non-Final OA Altria Client Services LLC
18579606 A welding method Non-Final OA ArcelorMittal
17752806 HEATED AIRCRAFT FLOOR PANELS Non-Final OA Goodrich Corporation
18576191 LASER PROCESSING DEVICE AND LASER PROCESSING METHOD Non-Final OA HAMAMATSU PHOTONICS K.K.
17777420 MODIFIED CATHODE DEVICE AND HOLDER ASSEMBLY FOR PLASMA ARC SPRAY GUN Final Rejection PRAXAIR S.T. TECHNOLOGY, INC.

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Frequently Asked Questions

What is examiner Tiffany T Tran's allowance rate?

60.6% of resolved applications examined by Tiffany T Tran were allowed (279 resolved cases), compared with 68.0% across Art Unit 3654 over the last five years.

Does an interview help with examiner Tiffany T Tran?

This examiner's interview lift is +47.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by Tiffany T Tran took 1,456 days on average from filing to allowance.

Which art unit does examiner Tiffany T Tran work in?

Tiffany T Tran examines applications in Art Unit 3654 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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