Prosecution Insights
Last updated: October 02, 2026

Examiner: TRUONG, LAN DAI T

Tech Center 3600 • Art Units: 2152 2444 2452 2454 3685

This examiner grants 91% of resolved cases

Analysis

Lan Dai T Truong works in Tech Center 3600 and Art Unit 2152. With 784 resolved cases, the examiner has an allowance rate of 91.2 percent. This rate of allowance describes the environment for applicants seeking to secure patent rights in this art unit. The median days to allowance for this examiner is 1059, which provides an expectation for the timeline of successful prosecution.

The interview lift is 11.5 percent, indicating that personal engagement with the examiner can change the probability of success compared to the 91.2 percent baseline. Practitioners can use these figures to set expectations for both the timeline and the likelihood of an outcome. With 784 resolved cases, the 91.2 percent allowance rate reflects the history of the examiner. The 11.5 percent lift and the 1059 median days to allowance show the impact of interviews and timing for practitioners in Tech Center 3600 and Art Unit 2152.

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

Performance Statistics

91.2%
Allow Rate
+39.2% vs TC avg
795
Total Applications
+11.5%
Interview Lift
1059
Avg Prosecution Days
Based on 784 resolved cases, 2023–2026

Rejection Statute Breakdown

20.2%
§101 Eligibility
2.5%
§102 Novelty
51.8%
§103 Obviousness
14.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19184810 ELECTRONIC DEVICE AND METHOD FOR CONTROLLING SAME Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18230986 INTELLIGENT MESSAGE SHARING ACROSS RELATED DEVICES Non-Final OA International Business Machines Corporation
19182358 VECTOR-BASED HYBRID SEARCH FOR CHATBOTS Non-Final OA ADP, Inc.
18518659 Private Permissioned Hierarchical Blockchains over Fog/Edge and Multi-Cloud Computing Networks Non-Final OA The Government of the United States, as represented by the Secretary of the Army

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