Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, HENRY H

Tech Center 1700 • Art Units: 1657 1674 1681 1758 1796 1798

This examiner grants 64% of resolved cases

Analysis

Henry H Nguyen operates in Tech Center 1700 and Art Unit 1657, where he has handled 295 resolved cases. His allowance rate stands at 63.7 percent, which is paired with a median days to allowance of 1205. This timeline suggests a prosecution period of 1205 days for cases reaching allowance. A notable aspect of his profile is the interview lift of 37.2 percent. This figure indicates that conducting an interview is an effective strategy for overcoming rejections. With 295 resolved cases, the data provides a reliable basis for predicting examiner behavior.

The 37.2 percent lift is a significant factor for practitioners to consider when planning their response strategy. The 63.7 percent allowance rate is the baseline for success in this examiner's practice. The 1205-day median timeline provides a benchmark for how long the process may take. In Art Unit 1657, the impact of an interview is clearly demonstrated by the 37.2 percent lift. These 295 resolved cases offer a data set for predicting outcomes in Tech Center 1700. Applicants can use these figures to weigh the benefits of direct communication.

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

Performance Statistics

63.7%
Allow Rate
-1.3% vs TC avg
377
Total Applications
+37.2%
Interview Lift
1205
Avg Prosecution Days
Based on 295 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
20.4%
§102 Novelty
44.1%
§103 Obviousness
28.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17565972 CELLULAR MICRO-MASONRY SYSTEM Final Rejection University of Florida Research Foundation, Inc.
18473125 ASSAY CARTRIDGE Final Rejection FUJIFILM Corporation
18167084 MICROCHANNEL DEVICE, PRODUCTION METHOD FOR OIL DROPLET, PRODUCTION METHOD FOR AIR BUBBLE, PRODUCTION METHOD FOR MICROCAPSULE, PRODUCTION METHOD FOR MULTIPLE EMULSION, PRODUCTION METHOD FOR LIQUID DROPLET THAT ENCOMPASSES AIR BUBBLE, AND MANUFACTURING METHOD FOR MICROCHANNEL DEVICE Non-Final OA FUJIFILM CORPORATION
18006551 SYSTEMS AND METHODS FOR BIOLOGICAL ANALYSIS Final Rejection LIFE TECHNOLOGIES CORPORATION
18432102 CULTURE DEVICE Non-Final OA HONDA MOTOR CO., LTD.
18177504 DEVICES, SYSTEMS, AND METHODS FOR HIGH THROUGHPUT DROPLET FORMATION Final Rejection 10x Genomics, Inc.
17993330 METHODS FOR SAMPLE PREPARATION FOR AUTOMATED IN SITU ANALYSIS Final Rejection 10x Genomics, Inc.
18168601 NUCLEIC ACID ANALYSIS DEVICE, AND NUCLEIC ACID ANALYSIS METHOD Non-Final OA CANON KABUSHIKI KAISHA
18639488 TRACER PARTICLES AND RELATED METHODS Non-Final OA Saudi Arabian Oil Company
18680555 CURVILINEAR FLUIDIC DEVICE Non-Final OA The Regents of the University of California
18246548 SYSTEM, METHOD AND POINT OF CARE DEVICE FOR IMAGE ANALYSIS OF DIAGNOSTIC ASSAYS Non-Final OA Siemens Healthcare Diagnostics Inc.
17919671 SIMULTANEOUS DETECTION OF LASER EMISSION AND FLUORESCENCE Non-Final OA THE REGENTS OF THE UNIVERSITY OF MICHIGAN
17177059 SAMPLE CARTRIDGES Non-Final OA MARS, INCORPORATED
18037229 OPEN-WELL MICROCAVITY PLATE Non-Final OA CORNING INCORPORATED
18335713 COUPLING LASER CAPTURE MICRODISSECTION WITH MICROFLUIDIC SAMPLE PREPARATION AND MASS SPECTROMETRY Final Rejection ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
16882453 CHARACTERIZATION OF DOMAIN-SPECIFIC CHARGE VARIANTS OF ANTIBODIES Non-Final OA Regeneron Pharmaceuticals, Inc.
18710305 AUTOMATIC ANALYSIS DEVICE Non-Final OA HITACHI HIGH-TECH CORPORATION
18560428 Sample Conveying Device, Sample Analysis System, and Method for Conveying Sample Non-Final OA Hitachi High-Tech Corporation
17431010 NUCLEIC ACID SEQUENCE MEASUREMENT DEVICE, NUCLEIC ACID SEQUENCE MEASUREMENT METHOD, AND NUCLEIC ACID SEQUENCE MEASUREMENT APPARATUS Final Rejection Yokogawa Electric Corporation
17560926 APPARATUS AND METHOD FOR DIFFERENTIATING BETWEEN SYMPTOMS OF HEART ATTACK AND GERD Final Rejection Micron Technology, Inc.
18497541 METHODS FOR ASSESSING CELLULAR OR TISSUE INJURY USING MITOCHONDRIAL AND/OR NUCLEAR CELL-FREE DNA Non-Final OA The Medical College of Wisconsin Inc.
18718600 BIOLOGICAL MATERIAL CONVEYOR DEVICE Non-Final OA DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY
18316148 NOBLE METAL-CONTAINING COMPOUND DETECTION BY CATALYSIS OF OPTICAL DYE REDUCTION Non-Final OA Becton, Dickinson and Company
18515177 ANALYSIS DEVICE Non-Final OA FURUNO ELECTRIC CO., LTD.
18114675 PHOTO REACTOR FOR TETRAHYDROCANNABINOL (THC) TESTING Non-Final OA Purdue Research Foundation
17375855 KIT FOR INSTALLING IMPELLER INTO PROCESS VESSEL Final Rejection ENTEGRIS, INC.
18041455 METHODS, ASSEMBLY AND SYSTEM FOR HIGH-THROUGHPUT, PARALLEL MONITORING OF REACTION SYSTEMS Non-Final OA Danmarks Tekniske Universitet
18685450 TRANSMEMBRANE DEVICE Non-Final OA CAMBRIDGE ENTERPRISE LIMITED
18283367 SYSTEMS AND METHODS FOR HUMIDITY AND/OR TEMPERATURE CONTROL IN A SAMPLE ANALYSIS SYSTEM Final Rejection DH TECHNOLOGIES DEVELOPMENT PTE. LTD.
18397221 BIO-FET-BASED PEPTIDE SEQUENCING METHOD AND DEVICE Non-Final OA IMEC VZW

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