Prosecution Insights
Last updated: August 17, 2026

Examiner: CHANG, DANIEL D

Tech Center 2800 • Art Units: 2649 2819 2844 2845 2849

This examiner grants 91% of resolved cases

Performance Statistics

91.3%
Allow Rate
+23.3% vs TC avg
1,234
Total Applications
+4.0%
Interview Lift
646
Avg Prosecution Days
Based on 1225 resolved cases, 2023–2026

Rejection Statute Breakdown

3.9%
§101 Eligibility
48.3%
§102 Novelty
32.9%
§103 Obviousness
11.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19063952 CLOSED-LOOP ANTENNA IMPEDANCE TUNING SYSTEM AND DRIVING Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18980737 MONITORING MULTIPLE SEQUENTIAL SIGNALS ON A SINGLE OBSERVATION PAD Non-Final OA QUALCOMM Incorporated
18911968 CUBESAT ANTENNA AND METHOD OF FORMING Non-Final OA KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

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