Prosecution Insights
Last updated: October 27, 2026

Evans Desrosiers, USPTO Patent Examiner

Listed by the USPTO as DESROSIERS, EVANS

Tech Center 2400 • Art Units: 2137 2437 2449 2491

This examiner grants 83% of resolved cases

Analysis

DESROSIERS, EVANS works in Tech Center 2400 and Art Unit 2137. His profile includes 1048 resolved cases, an 82.8% allowance rate, and a median of 1095 days to allowance. The 23.1% interview lift is a meaningful positive association, indicating that interview preparation may be useful when written prosecution alone does not resolve the principal issues.

The listed companies are Samesurf Inc., Sony Group Corporation, and Snap Inc. The listed firms are BANNER & WITCOFF, LTD., Faegre Drinker Biddle & Reath LLP - Palantir, and Hanley, Flight and Zimmerman, LLC. The allowance rate supports a favorable overall expectation, but the median timeline suggests that applicants should account for continued prosecution effort.

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

Performance Statistics

82.8%
Allow Rate
+24.8% vs TC avg
1,078
Total Applications
+23.1%
Interview Lift
1095
Avg Prosecution Days
Based on 1048 resolved cases, 2023–2026

Rejection Statute Breakdown

11.1%
§101 Eligibility
14.5%
§102 Novelty
52.7%
§103 Obviousness
8.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18883254 ZERO TRUST PACKET ROUTING ARCHITECTURE Final Rejection Oracle International Corporation
18850071 SENSOR APPARATUS, CONTROL METHOD, INFORMATION PROCESSING APPARATUS, AND INFORMATION PROCESSING SYSTEM Final Rejection Sony Semiconductor Solutions Corporation
19208154 REAL-TIME DISPLAY OF MULTIPLE IMAGES Non-Final OA Snap Inc.
19013914 TECHNOLOGIES FOR PROVIDING ATTESTATION OF FUNCTION AS A SERVICE FLAVORS Final Rejection Intel Corporation
19211559 Systems and Methods for Network Traffic Classification and Filtering via Fingerprinting and Machine Learning Non-Final OA Salesforce, Inc.
18674114 SYSTEMS AND METHODS FOR GENERATING AND MANAGING SECURITY LEVEL-AWARE MAP Final Rejection Palantir Technologies Inc.
19199111 METHODS AND APPARATUS FOR PERFORMING ACCESS AND/OR FORWARDING CONTROL IN WIRELESS NETWORKS SUCH AS WLANS Non-Final OA Juniper Networks, Inc.
18886970 Selective Encryption for Processing-in-Memory Non-Final OA Advanced Micro Devices, Inc.
18884557 COMPUTING SYSTEMS AND METHODS FOR REMEDIATING PERMISSIONS ISSUES IN DURABLY CREDENTIALED SYSTEMS Non-Final OA Dell Products L.P.

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Frequently Asked Questions

What is examiner Evans Desrosiers's allowance rate?

82.8% of resolved applications examined by Evans Desrosiers were allowed (1,048 resolved cases), compared with 75.9% across Art Unit 2137 over the last five years.

Does an interview help with examiner Evans Desrosiers?

This examiner's interview lift is +23.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Evans Desrosiers take to allow a patent?

Applications allowed by Evans Desrosiers took 1,095 days on average from filing to allowance.

Which art unit does examiner Evans Desrosiers work in?

Evans Desrosiers examines applications in Art Unit 2137 in Tech Center 2400 (Networking & Security).

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