Prosecution Insights
Last updated: October 04, 2026

Examiner: STEPHENSON, DANIEL P

Tech Center 3600 • Art Units: 3676

This examiner grants 86% of resolved cases

Performance Statistics

86.5%
Allow Rate
+34.5% vs TC avg
1,279
Total Applications
-25.6%
Interview Lift
806
Avg Prosecution Days
Based on 1269 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
30.5%
§102 Novelty
41.1%
§103 Obviousness
14.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19306927 OPEN HOLE GRAVEL PACK SYSTEM FOR MANAGED PRESSURE DRILLING (MPD) APPLICATIONS Final Rejection Halliburton Energy Services, Inc.
19365409 INJECTOR HEAD GRIPPERS FOR CABLE IN OIL-WELL APPLICATIONS AND METHOD Non-Final OA Alkhorayef Petroleum Company

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

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