Prosecution Insights
Last updated: October 27, 2026

Nga Leung V Law, USPTO Patent Examiner

Listed by the USPTO as LAW, NGA LEUNG V

Tech Center 1700 • Art Units: 1717 1784 1799

This examiner grants 56% of resolved cases

Analysis

Nga Leung V. Law is a USPTO patent examiner in Tech Center 1700 and Art Unit 1717. The record shows 557 resolved cases, a 56.4% allowance rate, and a median of 1170 days to allowance. The allowance rate is close to an even split between allowed and other resolved outcomes, and the median indicates a comparatively extended prosecution timeline within this record.

Interviews are associated with a 19.8% lift. That figure supports considering interview preparation as part of the prosecution strategy, particularly when paired with focused written amendments. The listed companies are ASM IP Holding B.V., RTX Corporation, and Applied Materials Inc. The listed firms are HAUPTMAN HAM, LLP, Snell & Wilmer (ASM IP Holding B.V.), and Banner & Witcoff, LTD.

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

Performance Statistics

56.4%
Allow Rate
-8.6% vs TC avg
609
Total Applications
+19.8%
Interview Lift
1170
Avg Prosecution Days
Based on 557 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
9.3%
§102 Novelty
59.7%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18965369 COMPOSITION FOR DEPOSITING A MOLYBDENUM-CONTAINING THIN FILM, METHOD FOR MANUFACTURING A MOLYBDENUM-CONTAINING THIN FILM, AND MOLYBDENUM-CONTAINING THIN FILM MANUFACTURED THEREBY Non-Final OA Samsung Electronics Co., Ltd.
19284207 METHOD AND SYSTEM FOR DEPOSITING METAL CARBIDE ON A SUBSTRATE Non-Final OA ASM IP Holding B.V.
17864698 SUBSTRATE SUPPORT UNIT, THIN FILM DEPOSITION APPARATUS INCLUDING THE SAME, AND SUBSTRATE PROCESSING APPARATUS INCLUDING THE SAME Final Rejection ASM IP Holding B.V.
17109080 SUBSTRATE PROCESSING APPARATUS, BEVEL MASK AND SUBSTRATE PROCESSING METHOD Non-Final OA ASM IP Holding B.V.
17962692 GRADIENT WITHIN A THERMAL BARRIER COATING AND METHODS OF THEIR FORMATION Final Rejection General Electric Company
17792109 YTTRIUM ALUMINUM COATING FOR PLASMA PROCESSING CHAMBER COMPONENTS Final Rejection Lam Research Corporation
19127570 METHODS OF DEPOSITING INORGANIC PARTICLES Non-Final OA CORNING INCORPORATED
19274978 FILM FORMING METHOD AND FILM FORMING APPARATUS Non-Final OA Tokyo Electron Limited
18674526 METHOD AND DEVICE FOR PLASMA SPRAYING OF POWDERS Final Rejection RTX CORPORATION
18628256 ENCAPSULATED PARTICLES FOR MAINTAINING PARTICLE CHEMISTRY DURING PLASMA SPRAY APPLICATIONS Final Rejection RTX Corporation
19307285 Hydrocarbon Polymer Coating Material for a Razor Blade and the Method of Coating Non-Final OA The Gillette Company LLC
18643462 VOLUMETRIC EXPANSION DEPOSITION OF SILICON BASED DIELECTRIC FILM Non-Final OA Applied Materials, Inc.
18088889 TUNEABLE UNIFORMITY CONTROL UTILIZING ROTATIONAL MAGNETIC HOUSING Final Rejection Applied Materials, Inc.
18628285 SYSTEMS AND METHODS FOR VAPORIZATION AND VAPOR DISTRIBUTION Non-Final OA First Solar, Inc.
18636404 Durable Coated Article Having a Metal Layer Final Rejection Vitro Flat Glass LLC
18498479 METHOD OF APPLYING A DIELECTRIC COATING ON A COMPONENT OF AN ELECTRICAL DEVICE Final Rejection Quantinuum LLC
18104462 EPITAXIAL STRUCTURE AND METHOD OF MANUFACTURING THE SAME Final Rejection GLOBALWAFERS CO., LTD.

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Frequently Asked Questions

What is examiner Nga Leung V Law's allowance rate?

56.4% of resolved applications examined by Nga Leung V Law were allowed (557 resolved cases), compared with 49.3% across Art Unit 1717 over the last five years.

Does an interview help with examiner Nga Leung V Law?

This examiner's interview lift is +19.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nga Leung V Law take to allow a patent?

Applications allowed by Nga Leung V Law took 1,170 days on average from filing to allowance.

Which art unit does examiner Nga Leung V Law work in?

Nga Leung V Law examines applications in Art Unit 1717 in Tech Center 1700 (Chemistry & Materials).

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