Prosecution Insights
Last updated: October 26, 2026

An Son Phi Huynh, USPTO Patent Examiner

Listed by the USPTO as HUYNH, AN SON PHI

Tech Center 3700 • Art Units: 2424 2426 3795

This examiner grants 54% of resolved cases

Analysis

HUYNH, AN SON PHI is assigned to art unit 2424 in tech center 3700 and has 550 resolved cases. The allowance rate is 54.0%, with a median of 1307 days to allowance. The record reflects an outcome that is not assured and a lengthy prosecution timeline, making early assessment of claim scope and portfolio timing important.

The interview lift is 45.5%, a substantial signal relative to the 54.0% allowance rate. Practitioners may give interviews a central role in identifying allowable distinctions before committing to written amendments. The listed companies are Boston Scientific Corporation, Olympus Corporation, and Verily Life Sciences LLC. The listed firms are SCULLY SCOTT MURPHY & PRESSER, PC, ARENTFOX SCHIFF LLP, and CHERNOFF, VILHAUER, MCCLUNG & STENZEL, LLP.

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

Performance Statistics

54.0%
Allow Rate
-16.0% vs TC avg
586
Total Applications
+45.5%
Interview Lift
1307
Avg Prosecution Days
Based on 550 resolved cases, 2023–2026

Rejection Statute Breakdown

10.3%
§101 Eligibility
11.0%
§102 Novelty
53.1%
§103 Obviousness
18.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18444738 ENDOSCOPE Final Rejection FUJIFILM Corporation
19117895 DISPLAY DEVICE AND OPERATING METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
18581408 MEDICAL IMAGE PROCESSING APPARATUS AND CONTROL METHOD Final Rejection Sony Olympus Medical Solutions Inc.
19089711 MEDICAL DEVICES AND SYSTEMS WITH A ROTATABLE SHAFT Final Rejection Boston Scientific Scimed, Inc.
18966403 MEDICAL DEVICE ACTUATORS Non-Final OA Boston Scientific Scimed, Inc.
18645534 SCOPE ADAPTERS FOR FLEXIBLE SCOPES Non-Final OA Boston Scientific Scimed, Inc.
19083362 VISION-BASED ANATOMICAL FEATURE LOCALIZATION Final Rejection Auris Health, Inc.
18952311 ENDOSCOPE BENDING PORTION AND ENDOSCOPE Non-Final OA OLYMPUS CORPORATION
18385564 CONTROL DEVICE AND CONTROL METHOD Final Rejection OLYMPUS CORPORATION

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Frequently Asked Questions

What is examiner An Son Phi Huynh's allowance rate?

54.0% of resolved applications examined by An Son Phi Huynh were allowed (550 resolved cases), compared with 68.6% across Art Unit 2424 over the last five years.

Does an interview help with examiner An Son Phi Huynh?

This examiner's interview lift is +45.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner An Son Phi Huynh take to allow a patent?

Applications allowed by An Son Phi Huynh took 1,307 days on average from filing to allowance.

Which art unit does examiner An Son Phi Huynh work in?

An Son Phi Huynh examines applications in Art Unit 2424 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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