Prosecution Insights
Last updated: October 25, 2026

John P Nguyen, USPTO Patent Examiner

Listed by the USPTO as NGUYEN, JOHN P

Tech Center 1600 • Art Units: 1619

This examiner grants 44% of resolved cases

Analysis

NGUYEN, JOHN P is assigned to tech center 1600 and art unit 1619. The profile includes 408 resolved cases and a 43.9% allowance rate. The 41.8% interview lift is a strong positive signal, associating interviews with materially better allowance outcomes in this dataset. The median time to allowance is 1180 days, so prosecution strategy should address both substantive difficulty and an extended timing horizon.

The listed companies are Insmed Incorporated, CSP Technologies Inc., and BIO PROTECTANT TECHNOLOGIES, INC. The leading firms are PROCOPIO, CORY, HARGREAVES & SAVITCH LLP, BUCHALTER, and COSUD INTELLECTUAL PROPERTY SOLUTIONS, P.C. Interviews may deserve early and careful preparation, with claim amendments tied closely to the technical record. The resolved-case count supports useful historical review while warranting caution about overgeneralization.

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

Performance Statistics

43.9%
Allow Rate
-16.1% vs TC avg
447
Total Applications
+41.8%
Interview Lift
1180
Avg Prosecution Days
Based on 408 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
5.7%
§102 Novelty
57.2%
§103 Obviousness
20.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18733769 Medication for Alleviating Parkinson's Symptoms and Method of Administering Non-Final OA Individual inventor
17210366 METHOD TO DESTABALIZE CYSTEINE EXPOSED INFECTIOUS INFORMATION VECTORS Final Rejection Individual inventor
16950189 Medication for Alleviating Parkinson's Symptoms and Method of Administering Final Rejection Individual inventor
19345725 MATERIALS AND METHODS FOR MITIGATING THE PRESENCE OF NITROSAMINES IN PACKAGING USING ACTIVATED CARBON OR A DERIVATIVE THEREOF Final Rejection CSP TECHNOLOGIES, INC.
19342419 FABRIC MATERIAL INFUSED OR IMPREGNATED WITH ONE OR MORE BENEFICIAL AGENTS AND METHOD OF MAKING THEREOF Final Rejection BIO PROTECTANT TECHNOLOGIES, INC.
17054441 SELF-MANAGEABLE ABNORMAL SCAR TREATMENT WITH SPHERICAL NUCLEIC ACID (SNA) TECHNOLOGY Non-Final OA NORTHWESTERN UNIVERSITY
18001896 TREATMENT OF ATRIAL DYSFUNCTION Final Rejection MyoKardia, Inc.
18525039 METHODS OF ANTIBODY PRODUCTION Final Rejection AMGEN INC.
17636209 Metabolic Reprogramming of Immune Cells for the Treatment or Prevention of Diseases and Disorders Non-Final OA Arizona Board of Regents on behalf of Arizona State University
18340484 TOPICAL CHLORINE DIOXIDE TREATMENT FOR MAMMALIAN TEATS Non-Final OA ECOLAB USA INC.
17235771 BIOLOGICALLY ACTIVE DRY POWDER COMPOSITIONS AND METHOD OF THEIR MANUFACTURE AND USE Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18658140 ROACH GEL FORMULATIONS Non-Final OA S. C. JOHNSON & SON, INC.
18073852 DRUG THERAPY TO INHIBIT CHEMOTHERAPY-INDUCED ADVERSE EFFECTS AND RELATED PHARMACEUTICAL COMPOSITIONS, DIAGNOSTICS, SCREENING TECHNIQUES AND KITS Non-Final OA YALE UNIVERSITY
18513377 DRY POWDER COMPOSITIONS OF TREPROSTINIL PRODRUGS AND METHODS OF USE THEREOF Non-Final OA Insmed Incorporated
18034619 DRY POWDER COMPOSITIONS OF TREPROSTINIL PRODRUGS AND METHODS OF USE THEREOF Non-Final OA Insmed Incorporated
17998694 IMMUNE BOOSTER - SUPPLEMENT TREATMENT KIT AND METHODS OF USE Final Rejection Altered Labs LLC
18256593 COMPOSITIONS COMPRISING MOLECULES FOR CYSTIC FIBROSIS TREATMENT Non-Final OA UNiversity of Iowa Research Foundation
18264815 HYDROGEN WATER FOR PREVENTION OF ALCOHOLIC HEPATOPATHY Final Rejection NIHON TRIM CO., LTD.
18413456 COMPOSITIONS AND METHODS FOR TREATING FLATWORMS Final Rejection New Guinea Flatworm Spray, Inc.
18282623 A METHOD OF REDUCING METHANE PRODUCTION IN A RUMINANT ANIMAL Non-Final OA DIT AgTech Limited
17784053 TOPICAL DELIVERY OF RNA INTERFERENCE AGENTS USING IONIC LIQUID Non-Final OA CAGE BIO, INC.
18128866 WOUND HEALING AND TISSUE REPAIR COMPOSITION AND METHOD USING LOW MOLECULAR WEIGHT COLLAGEN AND BIOACTIVE GLASS Non-Final OA SANARA MEDTECH APPLIED TECHNOLOGIES, LLC
18124977 Window of Opportunity Skin Treatment Regimen and Composition for Preventing the Onset of or Treating Atopic Dermatitis Final Rejection UNIVERSITY COLLEGE CORK - NATIONAL UNIVERSITY OF IRELAND
18174006 Mollusc Barrier Non-Final OA Doff Portland Limited
18066945 TOPICAL PHARMACEUTICAL COMPOSITIONS Final Rejection Dermavant Sciences GmbH
18001582 Pharmaceutical Compositions Containing Enterokine Releasing Substances In Multiple Dosage Forms In Combination With Gelling Agents Non-Final OA APHAIA IP AG

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Frequently Asked Questions

What is examiner John P Nguyen's allowance rate?

43.9% of resolved applications examined by John P Nguyen were allowed (408 resolved cases), compared with 22.7% across Art Unit 1619 over the last five years.

Does an interview help with examiner John P Nguyen?

This examiner's interview lift is +41.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John P Nguyen take to allow a patent?

Applications allowed by John P Nguyen took 1,180 days on average from filing to allowance.

Which art unit does examiner John P Nguyen work in?

John P Nguyen examines applications in Art Unit 1619 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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