Prosecution Insights
Last updated: October 02, 2026

Examiner: NG, HENRY

Tech Center 3700 • Art Units: 3741

This examiner grants 64% of resolved cases

Analysis

Henry Ng is an examiner in Tech Center 3700 and Art Unit 3741. He has handled 237 resolved cases with an allowance rate of 64.1 percent. This 64.1 percent rate indicates the frequency of successful outcomes for applications in his docket. The volume of 237 cases reflects the total number of applications he has brought to a final resolution. This data provides a basis for understanding prosecution trends in his assigned area.

The interview lift is 52.2 percent, which represents the change in allowance probability associated with examiner interviews. This 52.2 percent lift is a factor for practitioners to consider when planning their strategy. The median days to allowance is 1001, providing a benchmark for the time required to reach an allowance. This 1001 days duration serves as a reference for the speed of his examination process. Practitioners can use the 64.1 percent allowance rate as a starting point for evaluating the likelihood of a grant. The 52.2 percent lift suggests that verbal engagement offers an increase in the probability of a grant.

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

Performance Statistics

64.1%
Allow Rate
-5.9% vs TC avg
265
Total Applications
+52.2%
Interview Lift
1001
Avg Prosecution Days
Based on 237 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
22.4%
§102 Novelty
54.1%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18817394 GAS TURBINE ENGINE WITH CLUTCH ASSEMBLY Final Rejection General Electric Company
19229076 ENGINE CORE SIZE Final Rejection ROLLS-ROYCE plc
18892741 Engine Core Size Final Rejection ROLLS-ROYCE PLC
18996587 GAS TURBINE COMBUSTOR AND GAS TURBINE Non-Final OA MITSUBISHI HEAVY INDUSTRIES, LTD.
18057256 COMPRESSION SYSTEM FOR A GAS TURBINE, HIGH-PRESSURE COMPRESSOR, COMPRESSION SYSTEM COMPRISING A HIGH-PRESSURE COMPRESSOR, LOW-PRESSURE COMPRESSOR, COMPRESSION SYSTEM COMPRISING A LOW-PRESSURE COMPRESSOR, AND GAS TURBINE Non-Final OA MTU Aero Engines AG
18303496 INTEGRATED SUBCUTANEOUS SENSOR AND INFUSION DEVICE, SYSTEM AND METHOD Non-Final OA Medtronic MiniMed, Inc.
18770830 MULTIPLE HEAT SOURCE CRYOGENIC BOTTOMING CYCLE SEQUENCING AND ROUTING Non-Final OA RTX CORPORATION
18770854 CRYOGENIC BOTTOMING CYCLE UTILIZING A THERMAL BUS WITH MULTIPLE HEAT SOURCES Final Rejection RTX CORPORATION
18407973 ADD-ON DEVICE FOR BLOOD SET HANDPUMP WITH MECHANICAL LEVERAGE Non-Final OA CareFusion 303, Inc
18183476 INTRAVENOUS SET WITH PUMP INTERFACE FOR RAPID INFUSION VIA REUSABLE DRIVER Non-Final OA CareFusion 303, Inc.
18292532 SPIRAL ZIPPER-DRIVEN PUMP MECHANISM IN FLUID DELIVERY DEVICE Non-Final OA Becton, Dickinson and Company
18576472 SINGLE-USE MEDICAL ITEM HAVING AN INTEGRATED MARKER Non-Final OA B. Braun Melsungen AG
18134650 INFUSION PUMP THAT SETS PUMP PARAMETERS BASED ON CASSETTE TYPE Final Rejection B. Braun Medical Inc.
18285956 DRUG DELIVERY DEVICE Non-Final OA medmix Switzerland AG
18086755 ELECTRICALLY BOOSTED TURBINE COOLING AIR Non-Final OA Raytheon Technologies Corporation

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