Prosecution Insights
Last updated: October 02, 2026

Examiner: EWALD, MARIA VERONICA

Tech Center 1700 • Art Units: 1744 1754 1783 1791

This examiner grants 58% of resolved cases

Analysis

Maria Veronica Ewald is an examiner in Tech Center 1700 and Art Unit 1744, with a portfolio of 308 resolved cases. Her allowance rate is 58.4 percent. This 58.4 percent figure is higher than the 6.0 percent interview lift. This comparison suggests that the baseline allowance rate is a primary driver of outcomes in this chemical engineering unit. Practitioners can use these 308 resolved cases to set expectations.

The data shows an interview lift of 6.0 percent. This lift provides a smaller marginal increase to the 58.4 percent allowance rate than the lift values seen in other examiner profiles. Practitioners might focus on written arguments to address examiner concerns across the 308 resolved cases. The 6.0 percent lift indicates that while interviews are available, their statistical impact on the final outcome is limited.

The median days to allowance for these cases is 1144. This duration represents the timeline for successful applications. Understanding this 1144 day benchmark helps in planning the lifecycle of patent applications in Art Unit 1744. The 1144 day figure provides a reliable estimate for the time required to navigate the prosecution process.

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
+6.0%
Interview Lift
1144
Avg Prosecution Days
Based on 308 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
29.3%
§102 Novelty
51.3%
§103 Obviousness
14.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18202762 SUPERHARD COMPACTS, ASSEMBLIES INCLUDING THE SAME, AND METHODS INCLUDING THE SAME Final Rejection US Synthetic Corporation
18407974 WINDOW MATERIAL FOR OPTICAL ELEMENT, LID FOR OPTICAL ELEMENT PACKAGE, AND OPTICAL ELEMENT PACKAGE Non-Final OA Shin-Etsu Chemical Co., Ltd.
18479257 ARTICLES OF MANUFACTURE AND CONCRETE FORMULATIONS FOR USE THEREWITH Non-Final OA Wrmth Corp.

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