Prosecution Insights
Last updated: October 27, 2026

Nathan Ngoc-Ngoc Hoang, USPTO Patent Examiner

Listed by the USPTO as HOANG, NATHAN NGOC-NGOC

Tech Center 2400 • Art Units: 1772 1778 2447

This examiner grants 100% of resolved cases

Analysis

Nathan Ngoc-Ngoc Hoang is an examiner in Tech Center 2400 and Art Unit 1772. There are 2 resolved cases with an allowance rate of 100.0%. The median days to allowance is 1078. The interview lift is 0.0%.

Toyota Motor Corporation, Volkswagen AG, and SK Inc. are top companies. HARNESS DICKEY and IP & T GROUP LLP are the primary firms. The 100.0% allowance rate is based on a very small sample of 2 resolved cases.

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

Performance Statistics

100.0%
Allow Rate
+42.0% vs TC avg
10
Total Applications
+0.0%
Interview Lift
1078
Avg Prosecution Days
Based on 2 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
18.5%
§102 Novelty
48.2%
§103 Obviousness
22.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18525937 BATTERY SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18677860 ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME Non-Final OA KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
18542789 METHOD OF RECOVERING TRANSITION METAL Non-Final OA SK INNOVATION CO., LTD.

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Frequently Asked Questions

What is examiner Nathan Ngoc-Ngoc Hoang's allowance rate?

100.0% of resolved applications examined by Nathan Ngoc-Ngoc Hoang were allowed (2 resolved cases), compared with 59.5% across Art Unit 1772 over the last five years.

Does an interview help with examiner Nathan Ngoc-Ngoc Hoang?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nathan Ngoc-Ngoc Hoang take to allow a patent?

Applications allowed by Nathan Ngoc-Ngoc Hoang took 1,078 days on average from filing to allowance.

Which art unit does examiner Nathan Ngoc-Ngoc Hoang work in?

Nathan Ngoc-Ngoc Hoang examines applications in Art Unit 1772 in Tech Center 2400 (Networking & Security).

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