Prosecution Insights
Last updated: October 02, 2026

Examiner: TO, BAOTRAN N

Tech Center 2400 • Art Units: 2135 2435

This examiner grants 86% of resolved cases

Analysis

Baotran N. To serves as an examiner in Art Unit 2135 within Tech Center 2400. The examiner has 670 resolved cases and an allowance rate of 86.1 percent. This 86.1 percent rate indicates that the majority of applications reaching a final disposition are granted. This figure serves as a primary metric for practitioners evaluating their strategy.

The interview lift of 12.3 percent shows that direct communication is an effective strategy. This 12.3 percent lift represents the increase in the likelihood of allowance following an interview, making it a valuable option for practitioners. The lift can be useful when trying to resolve technical rejections and improve upon the 86.1 percent baseline.

The median days to allowance for this examiner is 881. This 881-day timeframe provides an expectation for the length of the prosecution process. With 670 resolved cases and an 881-day median, the data suggests a specific path to patent issuance for applications assigned to To in Tech Center 2400.

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

Performance Statistics

86.1%
Allow Rate
+28.1% vs TC avg
678
Total Applications
+12.3%
Interview Lift
881
Avg Prosecution Days
Based on 670 resolved cases, 2023–2026

Rejection Statute Breakdown

14.8%
§101 Eligibility
16.0%
§102 Novelty
38.1%
§103 Obviousness
12.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18719493 AUTHENTICATION APPARATUS, COMMUNICATION SYSTEM, AUTHENTICATION METHOD, AND PROGRAM Non-Final OA NIPPON TELEGRAPH AND TELEPHONE CORPORATION
19206800 Multi-Modal Models for Detecting Malicious Emails Non-Final OA Cisco Technology, Inc.

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