Prosecution Insights
Last updated: October 02, 2026

Examiner: ZIEGLER, MATTHEW D

Tech Center 3700 • Art Units: 3785

This examiner grants 48% of resolved cases

Analysis

Matthew D Ziegler serves in Tech Center 3700 and Art Unit 3785, where they have managed 234 resolved cases. The examiner has an allowance rate of 48.3 percent. This 48.3 percent rate indicates a more rigorous examination process that results in an allowance for less than half of the applications. The 234 resolved cases provide a solid dataset for understanding the examiner's decision-making patterns in Tech Center 3700.

The interview lift is 53.6 percent, which is exceptionally high. This 53.6 percent lift suggests that interviews are a highly effective strategy for overcoming rejections and moving cases toward allowance. The median days to allowance is 1248 days. By utilizing the lift, practitioners can significantly increase their chances of success compared to the baseline allowance rate. The 1248 days median timeline highlights the importance of using interviews as a primary tool for resolving outstanding issues and achieving a positive outcome in Art Unit 3785.

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

Performance Statistics

48.3%
Allow Rate
-21.7% vs TC avg
280
Total Applications
+53.6%
Interview Lift
1248
Avg Prosecution Days
Based on 234 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
16.3%
§102 Novelty
51.3%
§103 Obviousness
24.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18649378 METHOD AND DEVICE FOR CONTROLLING WEARABLE DEVICE ON BASIS OF USER’S HEART RATE Non-Final OA Samsung Electronics Co., Ltd.
18103869 METHOD AND SYSTEM FOR PROVIDING EXERCISE PROGRAMS TO USER Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17388637 WALKING ASSISTANCE METHOD AND APPARATUSES Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
17930457 ORO-PILLOW CUSHION ASSEMBLY Non-Final OA ResMed Pty Ltd
17762616 Device for Providing a Supporting Force for the Upper Extremities of a User, and an Exoskeleton Non-Final OA Hilti Aktiengesellschaft
18302845 CPAP APPARATUS Non-Final OA Murata Manufacturing Co., Ltd.
17712578 ASSISTIVE FLEXIBLE SUITS, FLEXIBLE SUIT SYSTEMS, AND METHODS FOR MAKING AND CONTROL THEREOF TO ASSIST HUMAN MOBILITY Non-Final OA President and Fellows of Harvard College
18702459 PATIENT INTERFACE Non-Final OA Fisher & Paykel Healthcare Limited
18359787 HME AND COMPACT BREATHING APPARATUS Final Rejection Fisher & Paykel Healthcare Limited
18331865 FLOW MIXERS FOR RESPIRATORY THERAPY SYSTEMS Non-Final OA Fisher & Paykel Healthcare Limited
17627418 PATIENT INTERFACE Non-Final OA Fisher & Paykel Healthcare Limited
18023643 DRUG DELIVERY DEVICES WITH A MULTI-DISPENSING HEAD Non-Final OA JANSSEN PHARMACEUTICA NV

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