Prosecution Insights
Last updated: October 26, 2026

An Bach Phan, USPTO Patent Examiner

Listed by the USPTO as PHAN, AN BACH

Tech Center 3700 • Art Units: 1724 2848 3763

This examiner grants 75% of resolved cases

Analysis

PHAN, AN BACH is a USPTO patent examiner in tech center 3700 and art unit 1724. The profile contains 4 resolved cases, an allowance rate of 75.0%, and a median of 1059 days to allowance. The interview lift is 50.0%, indicating a positive association between interviews and allowance outcomes in the reported cases.

The listed companies are Mahle International GmbH, Purple Cloud Development Pte. Ltd., and Honda Motor Co., Ltd. The listed firms are MERCHANT & GOULD P.C., Muncy, Geissler, Olds & Lowe, P.C., and AMIN, TUROCY & WATSON, LLP. The small resolved-case record limits how broadly the figures should guide expectations. They can still inform initial planning, with the allowance rate and median timing providing context and the interview measure identifying examiner dialogue as a potentially relevant tactic.

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

Performance Statistics

75.0%
Allow Rate
+5.0% vs TC avg
36
Total Applications
+50.0%
Interview Lift
1059
Avg Prosecution Days
Based on 4 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
32.4%
§102 Novelty
53.2%
§103 Obviousness
14.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18126507 BATTERY MODULE AND DISASSEMBLING METHOD THEREOF Final Rejection HONDA MOTOR CO., LTD.
18124704 ALL SOLID STATE BATTERY OPERABLE AT ROOM TEMPERATURE AND METHOD OF MANUFACTURING SAME Non-Final OA Kia Corporation
18841396 HEAT EXCHANGER AND REFRIGERATION CYCLE APPARATUS INCLUDING THE SAME Non-Final OA Mitsubishi Electric Corporation
18414517 MULTIPLE CHIP MODULE DIRECT ATTACH COOLING Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18637079 DUAL ZONE PEDESTAL COOLANT DISTRIBUTION SYSTEM Non-Final OA Applied Materials, Inc.
18944626 VEHICLE THERMAL MANAGEMENT SYSTEM, AND VEHICLE Non-Final OA BYD COMPANY LIMITED
18812152 Folded Double Wall Heat Exchanger Tubes and Methods of Manufacture Final Rejection Rheem Manufacturing Company
18839750 HEAT EXCHANGER Final Rejection Hanon Systems
18130161 METAL OXIDE LITHIOPHILIC COATING ON STAINLESS STEEL CURRENT COLLECTOR Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Frequently Asked Questions

What is examiner An Bach Phan's allowance rate?

75.0% of resolved applications examined by An Bach Phan were allowed (4 resolved cases), compared with 63.2% across Art Unit 1724 over the last five years.

Does an interview help with examiner An Bach Phan?

This examiner's interview lift is +50.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner An Bach Phan take to allow a patent?

Applications allowed by An Bach Phan took 1,059 days on average from filing to allowance.

Which art unit does examiner An Bach Phan work in?

An Bach Phan examines applications in Art Unit 1724 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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