Prosecution Insights
Last updated: October 02, 2026

Examiner: FUELLING, MICHAEL

Tech Center 3900 • Art Units: 2143 3626 3992

This examiner grants 44% of resolved cases

Analysis

Michael Fuelling is an examiner in Tech Center 3900 and Art Unit 2143. He has 197 resolved cases. The allowance rate pct is 43.7, which indicates a moderately difficult prosecution environment. The median days to allowance is 1541, suggesting that applications may require a longer period of time to reach a grant.

The interview lift pct is 31.1. This is a significant metric, as it shows a substantial increase in the probability of allowance following an interview compared to the base 43.7 allowance rate pct. Practitioners should consider the 31.1 interview lift pct as a primary strategy for advancing cases in Art Unit 2143.

With 197 resolved cases, the examiner's statistics provide a clear picture of his approach. The 1541 median days to allowance should be factored into long-term planning. Given the 43.7 allowance rate pct, applicants should be prepared for a thorough examination and use the 31.1 interview lift pct to resolve complex issues directly.

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

Performance Statistics

43.7%
Allow Rate
-16.3% vs TC avg
202
Total Applications
+31.1%
Interview Lift
1541
Avg Prosecution Days
Based on 197 resolved cases, 2023–2026

Rejection Statute Breakdown

22.9%
§101 Eligibility
10.0%
§102 Novelty
35.8%
§103 Obviousness
25.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18271532 SPACE EVALUATION SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18267756 DUST AMOUNT ESTIMATING APPARATUS AND METHOD Non-Final OA LG CHEM, LTD.
18789869 DYNAMIC AUTOMATED RECOMMENDER SYSTEM WITH TUNABLE RECOMMENDATION DISTRIBUTIONS Final Rejection INTUIT INC.
18156254 Classical Algorithm for Generating Multi-Mode Bosonic Transition Spectra by Phase Space Sampling Non-Final OA The University of Chicago
18798645 ELECTRONIC DEVICE SUBSCRIPTION PURCHASE GENERATION BASED ON PATTERN OF PAST OFFLINE PURCHASES Non-Final OA MOTOROLA MOBILITY LLC
18674572 Hydration Monitoring Device and System Non-Final OA Wilda Diaz

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