Prosecution Insights
Last updated: October 01, 2026

Examiner: NGUYEN, THAN VINH

Tech Center 2100 • Art Units: 2137 2138 2187 2188

This examiner grants 91% of resolved cases

Analysis

Than Vinh Nguyen serves as an examiner in Tech Center 2100 and Art Unit 2137. He has managed 820 resolved cases, establishing a clear record of outcomes for practitioners to analyze. The allowance rate for these cases is 91.0%, which reflects the proportion of applications that successfully result in a patent grant. This 91.0% rate suggests a highly favorable environment for applicants seeking protection in Art Unit 2137.

The median days to allowance is 811. This 811-day figure provides a timeline for the duration of the examination process for successful applications. A median of 811 days indicates an efficient path to a grant in Tech Center 2100. Applicants can use this 811-day metric to plan their intellectual property strategy and manage expectations regarding the speed of resolution.

The data highlights an interview lift of 4.2%. This 4.2% lift represents the increase in the allowance rate when an interview is conducted. While the base allowance rate of 91.0% is already very high, the 4.2% lift shows that direct communication remains a useful tactic for resolving any remaining issues. Practitioners should consider the 4.2% lift as a supplemental strategy to ensure a successful outcome within the 811-day median timeframe.

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

Performance Statistics

91.0%
Allow Rate
+36.0% vs TC avg
830
Total Applications
+4.2%
Interview Lift
811
Avg Prosecution Days
Based on 820 resolved cases, 2023–2026

Rejection Statute Breakdown

6.2%
§101 Eligibility
41.7%
§102 Novelty
21.0%
§103 Obviousness
18.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19262236 OPERATION METHOD OF UNIVERSAL FLASH STORAGE HOST AND OPERATION METHOD OF UNIVERSAL FLASH STORAGE SYSTEM Non-Final OA Samsung Electronics Co., Ltd.
19167983 BYTE STREAM PROCESSING PIPELINE FOR A HARDWARE INTEGRATED CIRCUIT Non-Final OA Google LLC
19034160 MEMORY SYSTEMS AND OPERATION METHODS THEREOF Final Rejection Yangtze Memory Technologies Co., Ltd.
18946643 DATA PROCESSING IN MEMORY SYSTEM Non-Final OA YANGTZE MEMORY TECHNOLOGIES CO., LTD.
18316638 REORDERING DATA IN DISPERSED STORAGE SYSTEMS Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION
19294107 APPARATUSES AND METHODS FOR PARALLEL WRITING TO MULTIPLE MEMORY DEVICE LOCATIONS Non-Final OA Lodestar Licensing Group LLC
19273531 DELAYED SNOOP FOR MULTI-CACHE SYSTEMS Non-Final OA Texas Instruments Incorporated
18903831 ADAPTABLE DATA BUFFERING SYSTEM FOR AUTONOMOUS AND SEMI-AUTONOMOUS SYSTEMS AND APPLICATIONS Non-Final OA NVIDIA Corporation
19228295 A CONTROLLER, A MEMORY DEVICE AND A DATA STORAGE SYSTEM Non-Final OA SK hynix Inc.
19299767 MODIFIED READ COUNTER INCREMENTING SCHEME IN A MEMORY SUB-SYSTEM Non-Final OA MICRON TECHNOLOGY, INC.
19211751 FREEZE COMMAND AND RESTORE COMMAND ASSOCIATED WITH TAGGED CAPACITY FOR A COMPUTE EXPRESS LINK (CXL) MEMORY DEVICE Non-Final OA MICRON TECHNOLOGY, INC.
19083264 TECHNIQUES FOR IMPROVED WRITE PERFORMANCE MODES Non-Final OA Micron Technology, Inc.
18419846 DESCRAMBLING OF SCRAMBLED LINEAR CODEWORDS USING NON-LINEAR SCRAMBLERS Non-Final OA Micron Technology, Inc.

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