Prosecution Insights
Last updated: October 26, 2026

Matthew D Ziegler, USPTO Patent Examiner

Listed by the USPTO as ZIEGLER, MATTHEW D

Tech Center 3700 • Art Units: 3785

This examiner grants 48% of resolved cases

Analysis

ZIEGLER, MATTHEW D is assigned to Tech Center 3700 and Art Unit 3785. The record reports 237 resolved cases and an allowance rate of 47.7%. The median time to allowance is 1251 days, so prosecution before this examiner may require substantial time planning and continued portfolio management.

The interview lift is 53.2%, indicating a strong association with allowance outcomes. Practitioners may consider a carefully prepared interview to address the principal objections, followed by written amendments that preserve the intended claim scope. The represented companies are Samsung Electronics Co., Ltd., Fisher & Paykel Healthcare Limited, and RESMED Pty Ltd. The listed firms are Nixon & Vanderhye PC, SUGHRUE MION, PLLC, and Via LLP.

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

Performance Statistics

47.7%
Allow Rate
-22.3% vs TC avg
288
Total Applications
+53.2%
Interview Lift
1251
Avg Prosecution Days
Based on 237 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
16.7%
§102 Novelty
50.2%
§103 Obviousness
25.1%
§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.
17762616 Device for Providing a Supporting Force for the Upper Extremities of a User, and an Exoskeleton Non-Final OA Hilti Aktiengesellschaft
17296720 DEVICE FOR INHALATION-SYNCHRONISED DISPENSING OF A FLUID PRODUCT Non-Final OA APTAR FRANCE SAS
18302845 CPAP APPARATUS Non-Final OA Murata Manufacturing Co., Ltd.
18888832 SYSTEM AND METHOD FOR OPTIMIZATION OF CPR CHEST COMPRESSIONS Non-Final OA ZOLL MEDICAL CORPORATION
18707315 APPARATUS FOR ATTACHING INTUBATED NON-HUMAN ANIMAL TO GAS DELIVERY SYSTEM Non-Final OA Philip Morris Products S.A.

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

Law firms appearing most often

Frequently Asked Questions

What is examiner Matthew D Ziegler's allowance rate?

47.7% of resolved applications examined by Matthew D Ziegler were allowed (237 resolved cases), compared with 55.8% across Art Unit 3785 over the last five years.

Does an interview help with examiner Matthew D Ziegler?

This examiner's interview lift is +53.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Matthew D Ziegler take to allow a patent?

Applications allowed by Matthew D Ziegler took 1,251 days on average from filing to allowance.

Which art unit does examiner Matthew D Ziegler work in?

Matthew D Ziegler examines applications in Art Unit 3785 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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