Prosecution Insights
Last updated: October 02, 2026

Examiner: CATTANACH, COLIN J

Tech Center 2800 • Art Units: 2875

This examiner grants 59% of resolved cases

Analysis

Colin J. Cattanach is an examiner in Tech Center 2800 and Art Unit 2875. He has resolved 564 cases with an allowance rate of 59.0 percent. This rate indicates a balanced prosecution environment where a grant is achieved in a majority of cases. The 564 resolved cases offer a dataset for understanding the examiner's approach.

The interview lift is 19.9 percent, which is an increase over the 59.0 percent baseline. This suggests that interviews are effective at moving cases toward allowance. Practitioners should consider direct communication to leverage this 19.9 percent lift. The data implies that verbal discussion is a successful method for resolving issues that might otherwise lead to a rejection.

The median days to allowance is 803. This figure represents the timeframe for reaching a positive conclusion in prosecution. The 803-day duration, when paired with the 59.0 percent allowance rate, indicates an efficient pace of examination. Practitioners can use the 19.9 percent lift to help manage this 803-day process and secure a successful outcome.

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

Performance Statistics

59.0%
Allow Rate
-9.0% vs TC avg
598
Total Applications
+19.9%
Interview Lift
803
Avg Prosecution Days
Based on 564 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
22.0%
§102 Novelty
53.9%
§103 Obviousness
20.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19221738 VEHICLE HEADLAMP ASSEMBLY Non-Final OA Hella GmbH & Co. KGaA
18784515 LIGHTED POWER TOOL Final Rejection BLACK & DECKER INC.
19167073 LIGHT SOURCE APPARATUS Non-Final OA SONY GROUP CORPORATION
19168892 OUTDOOR LIGHT FIXTURE INCLUDING A VENTING REFRACTOR Non-Final OA SIGNIFY HOLDING B.V.
18753339 DIGITAL MICROMIRROR DEVICE IN HIGH RESOLUTION LAMP Final Rejection Rivian IP Holdings, LLC
18880426 LIGHTING VEHICLE GLAZING Non-Final OA AGC GLASS EUROPE
19052855 Optics for Regulated Vehicle Lighting Applications Non-Final OA MagWerks Vision Inc.
19052887 Single Optic Producing Non-Symmetrical Illumination Pattern for Vehicle Lighting Applications Non-Final OA MagWerks Vision 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