Prosecution Insights
Last updated: October 02, 2026

Examiner: TRAN, THANH Y

Tech Center 4100 • Art Units: 2800 2817 2829 2892 4100

This examiner grants 86% of resolved cases

Analysis

Thanh Y Tran is an examiner in Tech Center 4100 and Art Unit 2800. The record contains 942 resolved cases. The allowance rate is 86.3 percent, which represents the probability of a grant. These 942 resolved cases provide a sample for analyzing the examiner's performance. This volume of cases ensures the metrics are based on a broad range of applications.

The interview lift is 9.1 percent, which shows the change in the chance of allowance following an interview. The median days to allowance is 891, representing the duration for successful prosecution. In Art Unit 2800, these metrics offer a view of the examiner's past behavior.

Practitioners should consider the 9.1 percent interview lift when deciding on a prosecution strategy. The 86.3 percent allowance rate and the 891 median days to allowance are key for managing expectations. These data points from Tech Center 4100 help in understanding the examination process.

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

Performance Statistics

86.3%
Allow Rate
+26.3% vs TC avg
959
Total Applications
+9.1%
Interview Lift
891
Avg Prosecution Days
Based on 942 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
39.3%
§102 Novelty
45.1%
§103 Obviousness
6.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18751563 NONVOLATILE MEMORY DEVICES AND DATA STORAGE SYSTEMS INCLUDING THE SAME Non-Final OA Samsung Electronics Co., Ltd.
18384152 FAN-OUT SEMICONDUCTOR PACKAGE Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18199553 SEMICONDUCTOR PACKAGE Final Rejection Samsung Electronics Co., Ltd.
18052689 SEMICONDUCTOR MEMORY DEVICE Non-Final OA Samsung Electronics Co., Ltd.
18824288 Display Device Non-Final OA LG Display Co., Ltd.
18465900 LOW ENERGY AND SMALL FORM FACTOR PACKAGE Non-Final OA QUALCOMM Incorporated
17707366 THIN CLIENT FORM FACTOR ASSEMBLY Non-Final OA Intel Corporation
18677480 MEMORY DEVICES HAVING VERTICAL TRANSISTORS AND METHODS FOR FORMING THE SAME Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18364301 PACKAGE STRUCTURE AND MEMORY SYSTEM Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18682978 IMAGING DEVICE AND ELECTRONIC APPARATUS Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18596698 BACKSIDE ISOLATION PILLAR REMOVAL FOR CAPACITANCE REDUCTION Non-Final OA International Business Machines Corporation
18666369 PACKAGE-ON-PACKAGE SEMICONDUCTOR ASSEMBLIES AND METHODS OF MANUFACTURING THE SAME Non-Final OA Lodestar Licensing Group LLC
18761238 SEMICONDUCTOR PACKAGE Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18752388 THREE-DIMENSIONAL INTEGRATED CIRCUIT (3D IC) LOW-DROPOUT (LDO) REGULATOR POWER DELIVERY Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18464815 PACKAGE STRUCTURE AND METHOD FOR FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18770919 METHODS OF FORMING EPITAXIAL STRUCTURES IN FIN-LIKE FIELD EFFECT TRANSISTORS Non-Final OA Taiwan Semiconductor Manufacturing Co., Ltd.
18786510 SEMICONDUCTOR DEVICE INCLUDING A PLURALITY OF DIELECTRIC MATERIALS BETWEEN SEMICONDUCTOR DIES AND METHODS OF FORMING THE SAME Non-Final OA Taiwan Semiconductor Manufacturing Company Limited
18194347 SYSTEMS AND METHODS FOR STACK CONSTRUCTION OF A SEMICONDUCTOR DEVICE HAVING REDISTRIBUTION LAYERS IN A SILICON CARRIER Non-Final OA Advanced Micro Devices, Inc.
18167784 ELECTRICAL PACKAGES WITH NON-LINEAR INTERCONNECT MEMBERS Non-Final OA Skyworks Solutions, Inc.
18738801 SSD WAFER DEVICE AND METHOD OF MANUFACTURING SAME Non-Final OA Sandisk Technologies, Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month