Prosecution Insights
Last updated: May 29, 2026

Examiner: EREZO, DARWIN P

Tech Center 3700 • Art Units: 3731 3734 3771 3773

This examiner grants 55% of resolved cases

Performance Statistics

54.8%
Allow Rate
-15.2% vs TC avg
296
Total Applications
+28.8%
Interview Lift
1841
Avg Prosecution Days
Based on 294 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
7.1%
§102 Novelty
68.0%
§103 Obviousness
7.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18561684 Vascular Prosthesis With Drawn Filled Tubes Non-Final OA MicroVention, 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