Prosecution Insights
Last updated: October 02, 2026

Examiner: MATTHEWS, WILLIAM H

Tech Center 3700 • Art Units: 3738 3774

This examiner grants 67% of resolved cases

Analysis

William H. Matthews is an examiner in Art Unit 3738 within Tech Center 3700. The data shows 808 resolved cases. The allowance rate is 66.7 percent. This 66.7 percent rate indicates the frequency of patent grants for applications reaching a resolution. The 808 resolved cases provide a basis for evaluating prosecution outcomes.

The median days to allowance is 1241. This 1241 figure represents the time typically required to secure an allowance. The interview lift is 21.6 percent. This 21.6 percent lift is an increase in the probability of allowance when an interview is conducted. Practitioners can compare the 21.6 percent lift to the 66.7 percent allowance rate to determine the relative impact of an interview. The 1241 median days to allowance helps in planning the prosecution timeline. With 808 resolved cases, these metrics offer a view of the examiner's historical performance. The allowance rate and 21.6 percent lift are key factors for developing a strategy.

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

Performance Statistics

66.7%
Allow Rate
-3.3% vs TC avg
816
Total Applications
+21.6%
Interview Lift
1241
Avg Prosecution Days
Based on 808 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
25.0%
§102 Novelty
33.9%
§103 Obviousness
26.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19304178 Cardiac Valve Leaflet Enhancer Devices and Systems Non-Final OA Emory University

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