Prosecution Insights
Last updated: October 26, 2026

Ha S Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, HA S

Tech Center 2800 • Art Units: 1766 2837

This examiner grants 58% of resolved cases

Performance Statistics

58.5%
Allow Rate
-9.5% vs TC avg
680
Total Applications
-20.7%
Interview Lift
1167
Avg Prosecution Days
Based on 632 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
21.7%
§102 Novelty
42.6%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18620558 POLYMER, LEVELING AGENT AND PREPARATION METHOD THEREOF, ELECTROPLATING SOLUTION, AND ELECTROPLATING METHOD Non-Final OA HUAWEI TECHNOLOGIES CO., LTD.
17784128 POLYUREA COPOLYMER Non-Final OA BASF SE
17754080 Melt Flowable Polyamide Composition for Shaped Articles Final Rejection BASF SE
18430072 FLUOROPOLYETHER COMPOUND Non-Final OA DAIKIN INDUSTRIES, LTD.
18547226 RESIN COMPOSITION, CURED PRODUCT, LAMINATE, TRANSPARENT ANTENNA AND MANUFACTURING METHOD THEREFOR, AND IMAGE DISPLAY DEVICE Non-Final OA RESONAC CORPORATION
18556282 POLYMER COMPRISING LONG CHAIN HYDROXY ACIDS Non-Final OA EVONIK OPERATIONS GMBH
17627728 MULTI-BLOCK SHAPE MEMORY BIORESORBABLE POLYMERS Non-Final OA Evonik Operations GmbH
18006476 CHELATION CROSSLINKED POLYMERS, METHODS OF MAKING SAME, AND USES THEREOF Final Rejection CORNELL UNIVERSITY
18503546 PEKK MANUFACTURING PROCESS Final Rejection ARKEMA FRANCE
17798227 Polyamide powder and corresponding preparation method Non-Final OA ARKEMA FRANCE
18567576 POLYIMIDE-BASED POLYMER FILM, SUBSTRATE FOR DISPLAY DEVICE, AND OPTICAL DEVICE USING THE SAME Non-Final OA LG CHEM, LTD.
18279173 Graft Copolymer, Curable Resin Composition, and Adhesive Composition Non-Final OA LG Chem, Ltd.
17755247 UNIVERSAL PRECURSOR FOR NANOSCALE MORPHOLOGIES Final Rejection NewSouth Innovations Pty Limited
18392095 Catalyst Composition For A Polyester Manufacturing Process Non-Final OA CLARIANT INTERNATIONAL LTD
18686970 EPISULFIDE COMPOSITION, POLYMERIZABLE COMPOSITION, CURED PRODUCT, AND OPTICAL MATERIAL Non-Final OA MITSUI CHEMICALS, INC.
18726594 TWO-PACK TYPE CLEAR COATING COMPOSITION Non-Final OA NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD.

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Frequently Asked Questions

What is examiner Ha S Nguyen's allowance rate?

58.5% of resolved applications examined by Ha S Nguyen were allowed (632 resolved cases), compared with 58.4% across Art Unit 1766 over the last five years.

Does an interview help with examiner Ha S Nguyen?

This examiner's interview lift is -20.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ha S Nguyen take to allow a patent?

Applications allowed by Ha S Nguyen took 1,167 days on average from filing to allowance.

Which art unit does examiner Ha S Nguyen work in?

Ha S Nguyen examines applications in Art Unit 1766 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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