Prosecution Insights
Last updated: October 26, 2026

Khoa Nhat Tran, USPTO Patent Examiner

Listed by the USPTO as TRAN, KHOA NHAT

Tech Center 1600 • Art Units: 1632

This examiner grants 42% of resolved cases

Analysis

TRAN, KHOA NHAT works in tech center 1600 and art unit 1632. The profile covers 93 resolved cases, with a 41.9% allowance rate and a 50.5% interview lift. The median time to allowance is 1552 days. The observed allowance measure is below an even outcome, while the substantial interview association supports detailed preparation for examiner discussions.

The principal companies are The Regents of the University of California, Memorial Sloan Kettering Cancer Center, and The Brigham and Women's Hospital Inc. The listed firms are BAKER BOTTS L.L.P., Clark+Elbing LLP, and FOLEY & LARDNER LLP. The participant mix places this profile in university and medical research prosecution.

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

Performance Statistics

41.9%
Allow Rate
-18.1% vs TC avg
143
Total Applications
+50.5%
Interview Lift
1552
Avg Prosecution Days
Based on 93 resolved cases, 2023–2026

Rejection Statute Breakdown

7.5%
§101 Eligibility
13.8%
§102 Novelty
45.3%
§103 Obviousness
31.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18633827 METHODS AND COMPOSITIONS FOR DELIVERY OF IMMUNOTHERAPY AGENTS ACROSS THE BLOOD-BRAIN BARRIER TO TREAT BRAIN CANCER Non-Final OA The Brigham and Women's Hospital, Inc.
18684155 ANTIGEN PRESENTING CELL/TARGET CELL HYBRIDOMA-DERIVED VACCINES Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17921739 Methods for Generating Thymic Cells in Vitro Non-Final OA The Regents of the University of California
17839138 MEDIA FOR CRYOPRESERVED CELLS AND METHODS OF MAKING AND USING SAME Final Rejection Washington University

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 Khoa Nhat Tran's allowance rate?

41.9% of resolved applications examined by Khoa Nhat Tran were allowed (93 resolved cases), compared with 38.1% across Art Unit 1632 over the last five years.

Does an interview help with examiner Khoa Nhat Tran?

This examiner's interview lift is +50.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Khoa Nhat Tran take to allow a patent?

Applications allowed by Khoa Nhat Tran took 1,552 days on average from filing to allowance.

Which art unit does examiner Khoa Nhat Tran work in?

Khoa Nhat Tran examines applications in Art Unit 1632 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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