Prosecution Insights
Last updated: October 27, 2026

Maria Veronica Ewald, USPTO Patent Examiner

Listed by the USPTO as EWALD, MARIA VERONICA

Tech Center 1700 • Art Units: 1744 1754 1783 1791

This examiner grants 58% of resolved cases

Analysis

EWALD, MARIA VERONICA is assigned to technology center 1700 and art unit 1744. The record covers 310 resolved cases, with an allowance rate of 58.4%, an interview lift of 8.0%, and a median of 1146 days to allowance. The allowance outcome is near the middle of the recorded range, while the interview measure shows only a limited positive association.

Shin-Etsu Chemical Co., Ltd., RESONAC Corporation, and 3D Systems Inc. appear among the listed companies. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, Brannon Sowers & Cracraft PC, and Conley Rose, P.C. The data favors careful written claim analysis, with interviews available as a supporting tactic rather than the principal lever. The median timing calls for realistic expectations about prosecution duration.

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

Performance Statistics

58.4%
Allow Rate
-6.6% vs TC avg
341
Total Applications
+8.0%
Interview Lift
1146
Avg Prosecution Days
Based on 310 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
29.8%
§102 Novelty
51.2%
§103 Obviousness
13.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18407974 WINDOW MATERIAL FOR OPTICAL ELEMENT, LID FOR OPTICAL ELEMENT PACKAGE, AND OPTICAL ELEMENT PACKAGE Non-Final OA Shin-Etsu Chemical Co., Ltd.
18562166 PREPREG, LAMINATED PLATE, METAL-CLAD LAMINATED PLATE, PRINTED WIRING BOARD, SEMICONDUCTOR PACKAGE, METHOD FOR MANUFACTURING PREPREG, AND METHOD FOR MANUFACTURING METAL-CLAD LAMINATED PLATE Final Rejection Resonac Corporation

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Frequently Asked Questions

What is examiner Maria Veronica Ewald's allowance rate?

58.4% of resolved applications examined by Maria Veronica Ewald were allowed (310 resolved cases), compared with 48.7% across Art Unit 1744 over the last five years.

Does an interview help with examiner Maria Veronica Ewald?

This examiner's interview lift is +8.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maria Veronica Ewald take to allow a patent?

Applications allowed by Maria Veronica Ewald took 1,146 days on average from filing to allowance.

Which art unit does examiner Maria Veronica Ewald work in?

Maria Veronica Ewald examines applications in Art Unit 1744 in Tech Center 1700 (Chemistry & Materials).

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