Prosecution Insights
Last updated: October 27, 2026

Hien Ngoc Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HIEN NGOC

Tech Center 3700 • Art Units: 3737 3768 3777 3793 3797 3798 3799

This examiner grants 53% of resolved cases

Analysis

NGUYEN, HIEN NGOC is assigned to tech center 3700 and art unit 3737. The profile contains 792 resolved cases, with a 52.7% allowance rate. The 40.8% interview lift is the strongest directional signal in this profile, associating interviews with a substantial improvement in allowance outcomes. The median time to allowance is 1441 days, which makes prosecution duration important in portfolio scheduling.

Sanmai Technologies Pbc, Alpheus Medical, Inc., and Cortery AB are the listed companies. The leading firms are Knobbe, Martens, Olson & Bear, LLP, Artegis Law Group, LLP, and Clifford Chi, A.P.C. Practitioners may find that interview preparation deserves particular attention, while the large resolved-case record gives this profile meaningful historical depth for assessing examination strategy.

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

Performance Statistics

52.7%
Allow Rate
-17.3% vs TC avg
849
Total Applications
+40.8%
Interview Lift
1441
Avg Prosecution Days
Based on 792 resolved cases, 2023–2026

Rejection Statute Breakdown

7.3%
§101 Eligibility
10.1%
§102 Novelty
51.6%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19116554 SYSTEMS AND METHODS OF MOVING A MEDICAL TOOL WITH A TARGET IN A VISUALIZATION OR ROBOTIC SYSTEM FOR HIGHER YIELDS Non-Final OA COVIDIEN LP
18340821 MINIATURIZED TRANSPARENT PHOTOACOUSTIC SENSOR Final Rejection QUALCOMM Incorporated
18700499 ACTIVATION OF LATE RESPONSE GENES USING NEUROMODULATION Non-Final OA GE Precision Healthcare LLC
18862300 SYSTEM FOR AND METHOD OF PLANNING AND REAL-TIME NAVIGATION FOR TRANSCRANIAL FOCUSED ULTRASOUND STIMULATION Non-Final OA The General Hospital Corporation
16971497 Detector Arrangement Suited for Optical Sensors Final Rejection Nokia Technologies Oy
19221718 COLD PLASMA GENERATING DEVICES, SYSTEMS, AND METHODS Final Rejection L'Oreal
18697235 MEASURING THE HUMAN SKIN AGE THROUGH NEAR-INFRARED SPECTROSCOPY Non-Final OA TRINAMIX GMBH

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Frequently Asked Questions

What is examiner Hien Ngoc Nguyen's allowance rate?

52.7% of resolved applications examined by Hien Ngoc Nguyen were allowed (792 resolved cases), compared with 0.0% across Art Unit 3737 over the last five years.

Does an interview help with examiner Hien Ngoc Nguyen?

This examiner's interview lift is +40.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Hien Ngoc Nguyen take to allow a patent?

Applications allowed by Hien Ngoc Nguyen took 1,441 days on average from filing to allowance.

Which art unit does examiner Hien Ngoc Nguyen work in?

Hien Ngoc Nguyen examines applications in Art Unit 3737 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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