Prosecution Insights
Last updated: October 02, 2026

Examiner: WATHEN, BRIAN W

Tech Center 4100 • Art Units: 2146 2151 2186 2194 2198 4100

This examiner grants 84% of resolved cases

Analysis

Brian W. Wathen works in Tech Center 4100, Art Unit 2146, and has resolved 488 cases. His allowance rate is 84.2 percent. This 84.2 percent rate suggests a very favorable environment for patent applicants. The 84.2 percent figure indicates that a large majority of applications reaching a resolution result in a grant.

The interview lift is 15.7 percent. This 15.7 percent lift shows that interviews can provide a meaningful boost to the already high 84.2 percent baseline allowance rate. Practitioners should consider an interview as a productive way to resolve any issues that arise during prosecution. The 15.7 percent lift suggests the examiner is receptive to verbal arguments.

The median days to allowance is 1079. This 1079-day timeline is a standard duration for successful applications in Art Unit 2146. With 488 resolved cases, the 84.2 percent allowance rate and 1079-day median provide a reliable statistical profile for this examiner in Tech Center 4100.

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

Performance Statistics

84.2%
Allow Rate
+24.2% vs TC avg
493
Total Applications
+15.7%
Interview Lift
1079
Avg Prosecution Days
Based on 488 resolved cases, 2023–2026

Rejection Statute Breakdown

17.1%
§101 Eligibility
14.6%
§102 Novelty
35.9%
§103 Obviousness
21.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17818888 MACHINE LEARNING FRAMEWORK FOR SWEEP EFFICIENCY QUANTIFICATION Non-Final OA SAUDI ARABIAN OIL COMPANY
18025213 EQUIVALENT CIRCUIT MODEL, PROGRAM, RECORDING MEDIUM, AND SIMULATION DEVICE Non-Final OA Semiconductor Energy Laboratory Co., Ltd.
18116350 TEMPLATE-BASED LIGHTING DESIGN Non-Final OA SIGNIFY HOLDING B.V.
19183655 CARBON-EQUIVALENT OFFSETS FROM CONTRAIL REDUCTION Non-Final OA George Mason University

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