Prosecution Insights
Last updated: August 17, 2026

Examiner: ZIEGLER, MATTHEW D

Tech Center 3700 • Art Units: 3785

This examiner grants 47% of resolved cases

Performance Statistics

47.4%
Allow Rate
-22.6% vs TC avg
278
Total Applications
+54.3%
Interview Lift
1244
Avg Prosecution Days
Based on 230 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
16.8%
§102 Novelty
49.9%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17762616 Device for Providing a Supporting Force for the Upper Extremities of a User, and an Exoskeleton Non-Final OA Hilti Aktiengesellschaft
17592837 Respiration Aid Non-Final OA Worcester Polytechnic Institute

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