Prosecution Insights
Last updated: October 02, 2026

Examiner: NGUYEN, HOAI AN D

Tech Center 2800 • Art Units: 2831 2858 2868

This examiner grants 86% of resolved cases

Analysis

Examiner Hoai An D Nguyen has resolved 734 cases in Art Unit 2831 and Tech Center 2800. The allowance rate is 86.0 percent, and the median days to allowance is 825. The interview lift is 11.9 percent. This profile shows a high likelihood of allowance and a moderate prosecution timeline. The 11.9 percent lift indicates that interviews are effective. With 734 resolved cases, the 86.0 percent allowance rate is well-supported. Practitioners can use the 825-day median timeline to set expectations for their applications.

The 734 resolved cases provide a reliable basis for predicting outcomes in Art Unit 2831. The 86.0 percent allowance rate is the baseline for success. The 825-day median timeline is a key figure for managing client expectations. The 11.9 percent interview lift is a significant metric that highlights the value of direct communication. Applicants in Tech Center 2800 can use these figures to refine their prosecution strategy. The 86.0 percent rate and the 11.9 percent lift together suggest that proactive engagement is beneficial. This profile reflects a consistent examination history.

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

Performance Statistics

86.0%
Allow Rate
+18.0% vs TC avg
741
Total Applications
+11.9%
Interview Lift
825
Avg Prosecution Days
Based on 734 resolved cases, 2023–2026

Rejection Statute Breakdown

3.7%
§101 Eligibility
36.9%
§102 Novelty
37.3%
§103 Obviousness
11.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18878416 DEVICE AND METHOD FOR DETERMINING A STATE IN A STACK OF FUEL CELLS OR ELECTROLYSIS CELLS OR IN A FUEL CELL OR ELECTROLYSIS CELL Non-Final OA Robert Bosch GmbH
19001422 SPATTER DETECTION METHOD Non-Final OA HONDA MOTOR CO., LTD.
18966777 METHOD FOR ESTIMATING BATTERY CATHODE CAPACITY AND BATTERY RECYCLING SYSTEM USING THE SAME Non-Final OA SAMSUNG SDI CO., LTD.
18896907 BATTERY POWER COMPUTING METHOD AND ELECTRONIC DEVICE USING THE BATTERY POWER COMPUTING METHOD Non-Final OA MEDIATEK INC.
18991734 SEPARATOR DEFECT INSPECTION APPARATUS FOR SECONDARY BATTERY Non-Final OA SK ON CO., LTD.
18949381 BATTERY MANAGEMENT SYSTEM AND METHOD FOR CONTROLLING THE SAME Non-Final OA SK ON CO., LTD.
18878236 METHOD AND APPARATUS FOR ELECTRONIC MUTUAL INDUCTOR, AND ELECTRONIC MUTUAL INDUCTOR Non-Final OA Siemens Aktiengesellschaft
18949495 NOVEL CONCEPT WITH STACKED MAGNETS, FLUX CONCENTRATORS & HALL SENSOR IN SINGLE PACKAGE TO MEASURE FERROUS DEBRIS COLLECTED ANYWHERE AROUND MAGNETIC OIL DEBRIS SENSOR PERIPHERY Non-Final OA HONEYWELL INTERNATIONAL INC.
19017061 ELECTRIC LEAKAGE DETECTION DEVICE AND METHOD, AND VEHICLE Non-Final OA BYD COMPANY LIMITED
18858937 METHOD AND APPARATUS FOR HYPERPOLARIZING SUBSTRATE MOLECULES Non-Final OA North Carolina State University
18892933 SENSOR HAVING TRANSLINEAR LINEARITY COMPENSATION Non-Final OA Allegro MicroSystems, LLC
18441295 METHOD AND SYSTEM FOR PROVIDING A COMPOSITE OF CIRCUITRY AND FABRIC Non-Final OA HTI Technology and Industries, Inc.

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