Prosecution Insights
Last updated: October 26, 2026

Matthew E Zimmerman, USPTO Patent Examiner

Listed by the USPTO as ZIMMERMAN, MATTHEW E

Tech Center 3600 • Art Units: 3625 3683 3684 3688

This examiner grants 52% of resolved cases

Analysis

ZIMMERMAN, MATTHEW E is assigned to Tech Center 3600 and Art Unit 3625. The record includes 569 resolved cases and an allowance rate of 51.7%. The median time to allowance is 1345 days, so applicants should allow for extended prosecution when coordinating commercial and portfolio objectives.

The interview lift is 46.2%, indicating a substantial association with allowance outcomes. A well-prepared interview may help identify workable claim distinctions, followed by written amendments that preserve support and clarity. The represented companies are Nike Inc., PayPal Inc., and Walmart Apollo LLC. The listed firms are BANNER & WITCOFF, LTD, COZEN O''CONNOR, and FOLEY & LARDNER LLP.

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

Performance Statistics

51.7%
Allow Rate
At TC average
594
Total Applications
+46.2%
Interview Lift
1345
Avg Prosecution Days
Based on 569 resolved cases, 2023–2026

Rejection Statute Breakdown

32.7%
§101 Eligibility
16.2%
§102 Novelty
29.1%
§103 Obviousness
16.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18949025 Information Providing System, Oscillator Providing System, And Processing Method Final Rejection SEIKO EPSON CORPORATION
19006652 Artificial Intelligence (AI)-Based System for Component Compound Identification Non-Final OA eBay Inc.
18986611 METHOD, MEDIUM, AND SYSTEM FOR INTELLIGENT ONLINE PERSONAL ASSISTANT WITH IMAGE TEXT LOCALIZATION Non-Final OA eBay Inc.
18066140 METHOD AND MEDIUM FOR CUSTOMER PRODUCT RECOMMENDATIONS Non-Final OA Hewlett Packard Enterprise Development LP

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Frequently Asked Questions

What is examiner Matthew E Zimmerman's allowance rate?

51.7% of resolved applications examined by Matthew E Zimmerman were allowed (569 resolved cases), compared with 32.9% across Art Unit 3625 over the last five years.

Does an interview help with examiner Matthew E Zimmerman?

This examiner's interview lift is +46.2 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 E Zimmerman take to allow a patent?

Applications allowed by Matthew E Zimmerman took 1,345 days on average from filing to allowance.

Which art unit does examiner Matthew E Zimmerman work in?

Matthew E Zimmerman examines applications in Art Unit 3625 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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