Prosecution Insights
Last updated: October 26, 2026

Hanh Van Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, HANH VAN

Tech Center 3600 • Art Units: 3637 3652 3677

This examiner grants 74% of resolved cases

Analysis

Hanh Van Tran is an examiner in Tech Center 3600 and Art Unit 3637. With 1261 resolved cases, she has a very high volume of experience. Her allowance rate is 74.1 percent, and the median days to allowance is 808. This indicates an efficient prosecution process for the 1261 resolved cases.

The interview lift of 13.8 percent shows that interviews are a useful tool for applicants. While the 74.1 percent allowance rate is strong, the lift suggests that verbal communication can help resolve remaining issues. LG Electronics Inc., Julius Blum GmbH, and Samsung Electronics Co., Ltd. are the top companies prosecuting patents here.

These companies are often represented by KED & ASSOCIATES, LLP, WENDEROTH, LIND & PONACK, L.L.P., and Bodman PLC. The 808 median days to allowance is relatively fast, and the 13.8 percent interview lift offers a clear path to further improving the odds of grant. Practitioners can rely on the 1261 resolved cases to predict a consistent experience in Art Unit 3637.

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

Performance Statistics

74.1%
Allow Rate
+22.1% vs TC avg
1,295
Total Applications
+13.8%
Interview Lift
808
Avg Prosecution Days
Based on 1261 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
27.1%
§102 Novelty
46.9%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18985774 REFRIGERATOR Non-Final OA LG Electronics Inc.
18899402 VACUUM ADIABATIC MODULE AND REFRIGERATOR Non-Final OA LG Electronics Inc.
18827300 VACUUM ADIABATIC BODY AND REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
18792982 VACUUM ADIABATIC BODY AND REFRIGERATOR Non-Final OA LG ELECTRONICS INC.
18767330 REFRIGERATOR Non-Final OA LG Electronics Inc.
18270829 REFRIGERATOR Final Rejection LG ELECTRONICS INC.
18782559 REFRIGERATOR Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18652857 DAMPING PIN AND CABINET Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
18733070 ADJUSTMENT ASSEMBLY FOR APPLIANCE DOOR Final Rejection WHIRLPOOL CORPORATION
19009344 CONTAINER, PREFERABLY DRAWER Final Rejection Julius Blum GmbH
18417373 FURNITURE FITTING Non-Final OA Julius Blum GmbH
18416102 METHOD FOR PRODUCING AT LEAST ONE COMPONENT ELEMENT FOR A FURNITURE FITTING Final Rejection Julius Blum GmbH
18229244 FURNITURE FITTING AND METHOD FOR PRODUCING A FURNITURE FITTING Final Rejection Julius Blum GmbH

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Hanh Van Tran's allowance rate?

74.1% of resolved applications examined by Hanh Van Tran were allowed (1,261 resolved cases), compared with 59.8% across Art Unit 3637 over the last five years.

Does an interview help with examiner Hanh Van 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 Hanh Van Tran take to allow a patent?

Applications allowed by Hanh Van Tran took 808 days on average from filing to allowance.

Which art unit does examiner Hanh Van Tran work in?

Hanh Van Tran examines applications in Art Unit 3637 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month