Prosecution Insights
Last updated: October 02, 2026

Examiner: VO, ETHAN VIET

Tech Center 2400 • Art Units: 2431

This examiner grants 75% of resolved cases

Analysis

Ethan Viet Vo works in Art Unit 2431 under Tech Center 2400. The examiner has processed 89 resolved cases. The data indicates an allowance rate of 75.3% for these applications. This 75.3% rate serves as a primary metric for practitioners to evaluate the likelihood of a patent grant. The 89 resolved cases provide a data set for understanding the examiner's historical tendencies within this technical area.

The median days to allowance for cases assigned to this examiner is 1089. This 1089-day figure represents the typical duration of the prosecution cycle for successful applications. A key finding in the data is the 27.1% interview lift. This 27.1% lift indicates that the probability of allowance increases when an interview is conducted. Practitioners should consider the 27.1% lift as a reason to engage in direct communication with the examiner. The 1089-day median pendency and the 75.3% allowance rate are important factors for strategic planning. By using the 27.1% interview lift, applicants may find a more effective path to allowance than through written responses alone.

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

Performance Statistics

75.3%
Allow Rate
+17.3% vs TC avg
103
Total Applications
+27.1%
Interview Lift
1089
Avg Prosecution Days
Based on 89 resolved cases, 2023–2026

Rejection Statute Breakdown

4.9%
§101 Eligibility
13.2%
§102 Novelty
57.1%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18790765 Secure Exclaves Non-Final OA Apple Inc.
19196978 Virtual DCS Security Operator for Incident Detection and Response Non-Final OA ABB Schweiz AG
18258254 AUTHENTICATING DEVICES AND COMPONENTS Non-Final OA Hewlett-Packard Development Company, L.P.
18698724 STATISTICALLY RECEIVER PRIVATE OBLIVIOUS TRANSFER FROM CDH Final Rejection Visa International Service Association
18938060 ANOMALY AND RANSOMWARE DETECTION Non-Final OA Rubrik, Inc.
18401478 ENCRYPTION DEVICE AND METHOD THEREOF UTILIZING WRITE LOCK, KEY LOCK, AND DIGEST INFORMATION TO INCREASE SECURITY Non-Final OA Nuvoton Technology Corporation
18055284 CYBERSECURITY THREAT MITIGATION FOR INDUSTRIAL NETWORKS Non-Final OA HONEYWELL INTERNATIONAL 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