Prosecution Insights
Last updated: October 02, 2026

Examiner: MATTEI, BRIAN DAVID

Tech Center 3600 • Art Units: 3633 3634 3635 3673 3678

This examiner grants 67% of resolved cases

Analysis

Brian David Mattei is an examiner in Art Unit 3633 within Tech Center 3600. The data shows 734 resolved cases. The allowance rate is 67.4 percent. This 67.4 percent rate indicates the frequency of patent grants for applications reaching a resolution. The 734 resolved cases provide a basis for evaluating prosecution outcomes.

The median days to allowance is 676. This 676 figure represents the time typically required to secure an allowance. The interview lift is 15.3 percent. This 15.3 percent lift is an increase in the probability of allowance when an interview is conducted. Practitioners can compare the 15.3 percent lift to the 67.4 percent allowance rate to determine the relative impact of an interview. The 676 median days to allowance helps in planning the prosecution timeline. With 734 resolved cases, these metrics offer a view of the examiner's historical performance. The allowance rate and 15.3 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

67.4%
Allow Rate
+15.4% vs TC avg
753
Total Applications
+15.3%
Interview Lift
676
Avg Prosecution Days
Based on 734 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
21.1%
§102 Novelty
49.8%
§103 Obviousness
23.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18888414 CORNER PIECE FOR SIDING SYSTEM Non-Final OA CERTAINTEED LLC
18866082 IMPROVED WEB CONNECTION WITH TIMBER FLANGE Non-Final OA LOGGO IP PTY LTD IN ITS CAPACITY AS TRUSTEE FOR THORNTON IP TRUST

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