Prosecution Insights
Last updated: October 02, 2026

Examiner: ASPINWALL, EVAN S

Tech Center 2100 • Art Units: 2152 2154 2156 2161 2162

This examiner grants 83% of resolved cases

Analysis

Evan S. Aspinwall is an examiner in Art Unit 2152 of Tech Center 2100. The examiner has 688 resolved cases and an allowance rate of 82.7 percent. This high rate indicates that the majority of applications result in a patent grant. The median days to allowance is 956, which provides a clear expectation for the duration of the prosecution process for successful cases.

The interview lift is 17.1 percent, showing that interviews are a beneficial tool for increasing the 82.7 percent allowance rate. This positive lift suggests that direct communication can help resolve outstanding issues effectively. With 688 resolved cases, the data is robust and reflects a consistent pattern of high allowance. Practitioners can use the 956 median days to allowance to manage client expectations for timing in Art Unit 2152. The 17.1 percent lift reinforces the value of scheduling interviews to ensure a smooth path to allowance.

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

Performance Statistics

82.7%
Allow Rate
+27.7% vs TC avg
696
Total Applications
+17.1%
Interview Lift
956
Avg Prosecution Days
Based on 688 resolved cases, 2023–2026

Rejection Statute Breakdown

30.0%
§101 Eligibility
6.7%
§102 Novelty
44.3%
§103 Obviousness
11.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19244158 QUERY RECORD ESTIMATOR Non-Final OA Visa International Service Association
19316673 SYSTEM AND METHOD FOR QUERYING A DATABASE BY INTEGRATING ARTIFICIAL INTELLIGENCE WITH DATA STREAMING Non-Final OA International Business Machines Corporation
18303792 DATA MAPPING USING STRUCTURED AND UNSTRUCTURED DATA Non-Final OA INTERNATIONAL BUSINESS MACHINES CORPORATION

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