Prosecution Insights
Last updated: October 26, 2026

Evan S Aspinwall, USPTO Patent Examiner

Listed by the USPTO as ASPINWALL, EVAN S

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

This examiner grants 83% of resolved cases

Analysis

ASPINWALL, EVAN S works in tech center 2100 and art unit 2152. The examiner has 688 resolved cases, an 82.7% allowance rate, a 17.0% interview lift, and a median of 956 days to allowance. The substantial record and high allowance rate provide useful context for prosecution planning, while the timing figure remains relevant to portfolio deadlines and commercial objectives.

The interview lift indicates a positive association with recorded outcomes, though it is less prominent than the allowance result. The listed companies are International Business Machines Corporation, Visa International Service Association, and The MITRE Corporation. The listed firms are CANTOR COLBURN LLP and MORRISON & FOERSTER LLP. Practitioners may combine early identification of patentable distinctions with interviews that address the examiner's principal objections.

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
699
Total Applications
+17.0%
Interview Lift
956
Avg Prosecution Days
Based on 688 resolved cases, 2023–2026

Rejection Statute Breakdown

30.1%
§101 Eligibility
6.7%
§102 Novelty
44.2%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18653080 SYSTEMS AND METHODS FOR QUERYING GRAPH DATABASES USING NATURAL LANGUAGE QUERIES Non-Final OA The MITRE Corporation

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Frequently Asked Questions

What is examiner Evan S Aspinwall's allowance rate?

82.7% of resolved applications examined by Evan S Aspinwall were allowed (688 resolved cases), compared with 64.7% across Art Unit 2152 over the last five years.

Does an interview help with examiner Evan S Aspinwall?

This examiner's interview lift is +17.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Evan S Aspinwall take to allow a patent?

Applications allowed by Evan S Aspinwall took 956 days on average from filing to allowance.

Which art unit does examiner Evan S Aspinwall work in?

Evan S Aspinwall examines applications in Art Unit 2152 in Tech Center 2100 (Computing & Software).

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