Prosecution Insights
Last updated: October 02, 2026

Examiner: COLELLO, ERIN L

Tech Center 3700 • Art Units: 3731 3734 3771

This examiner grants 34% of resolved cases

Analysis

Erin L Colello, an examiner in Tech Center 3700 and Art Unit 3731, has 441 resolved cases. The allowance rate is 33.6%. The interview lift pct is 65.6%, which is a larger value than the baseline allowance rate. The median days to allowance is 1857. These 441 resolved cases provide a basis for these metrics.

The 33.6% allowance rate indicates a challenging path to issuance. The 65.6% interview lift pct is an essential metric for practitioners seeking to improve their prospects. The 1857 days median to allowance is the timeline for cases that reach issuance. Applicants should prioritize interviews to navigate the 33.6% allowance rate. The 1857 days median pendency is a factor for managing client expectations. The 65.6% lift shows that direct engagement is highly effective in Art Unit 3731.

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

Performance Statistics

33.6%
Allow Rate
-36.4% vs TC avg
470
Total Applications
+65.6%
Interview Lift
1857
Avg Prosecution Days
Based on 441 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
21.5%
§102 Novelty
48.2%
§103 Obviousness
22.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17214272 HEMOSTASIS BAND WITH INFLATABLE COMPARTMENTS AND METHODS OF USING SAME Non-Final OA Terumo Medical Corporation

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