Prosecution Insights
Last updated: October 26, 2026

Henry Ng, USPTO Patent Examiner

Listed by the USPTO as NG, HENRY

Tech Center 3700 • Art Units: 3741

This examiner grants 63% of resolved cases

Analysis

NG, HENRY has resolved 240 cases, with an allowance rate of 62.9% and an interview lift of 53.2%. The median time to allowance is 1000 days. The interview-lift measure is a prominent feature of the profile, so counsel may consider an early, technically focused interview where it can sharpen the issues and support later written responses.

The examiner is assigned to tech center 3700 and art unit 3741. The leading companies are RTX Corporation, Cardinal Health Inc., and Mitsubishi Heavy Industries Ltd. The leading firms are Getz Balich LLC, Maschoff Brennan (OC)(BD), and Bachman & LaPointe, P.C. The record spans aerospace, medical, and industrial applicants, providing varied context for prosecution planning.

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

Performance Statistics

62.9%
Allow Rate
-7.1% vs TC avg
266
Total Applications
+53.2%
Interview Lift
1000
Avg Prosecution Days
Based on 240 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
22.7%
§102 Novelty
53.1%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18817394 GAS TURBINE ENGINE WITH CLUTCH ASSEMBLY Final Rejection General Electric Company
19142408 BURNER ASSEMBLY, GAS TURBINE COMBUSTOR, AND GAS TURBINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18998768 GAS TURBINE AND GAS TURBINE FACILITY Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
19246269 THRUST DIVERTER FOR AN OPEN ROTOR AIRCRAFT PROPULSION SYSTEM Non-Final OA RTX Corporation
19075310 CONVECTION COOLING AT LOW EFFUSION DENSITY REGION OF COMBUSTOR PANEL Non-Final OA RTX Corporation
18285956 DRUG DELIVERY DEVICE Non-Final OA medmix Switzerland AG
18134650 INFUSION PUMP THAT SETS PUMP PARAMETERS BASED ON CASSETTE TYPE Final Rejection B. Braun Medical Inc.
18086755 ELECTRICALLY BOOSTED TURBINE COOLING AIR Non-Final OA Raytheon Technologies Corporation

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Frequently Asked Questions

What is examiner Henry Ng's allowance rate?

62.9% of resolved applications examined by Henry Ng were allowed (240 resolved cases), compared with 62.4% across Art Unit 3741 over the last five years.

Does an interview help with examiner Henry Ng?

This examiner's interview lift is +53.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Henry Ng take to allow a patent?

Applications allowed by Henry Ng took 1,000 days on average from filing to allowance.

Which art unit does examiner Henry Ng work in?

Henry Ng examines applications in Art Unit 3741 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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