Prosecution Insights
Last updated: October 27, 2026

Edwin J Toledo-Duran, USPTO Patent Examiner

Listed by the USPTO as TOLEDO-DURAN, EDWIN J

Tech Center 3600 • Art Units: 3615 3635 3674 3678 3679

This examiner grants 70% of resolved cases

Analysis

TOLEDO-DURAN, EDWIN J works in tech center 3600 and art unit 3615. The profile covers 804 resolved cases, with a 70.0% allowance rate and a median of 933 days to allowance. The reported interview lift is 31.7%, indicating that interviews are an important consideration when planning prosecution activity before this examiner.

Representative applicants include Patterson-Uti Drilling Company LLC, Advanced Drainage Systems Inc., and Rototech Pte. Ltd. The listed firms are FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, MCCARTER & ENGLISH, LLP NEWARK, and ASLAN LAW, P.C. These organizations provide a practical reference set for counsel assessing subject-matter fit and procedural experience.

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

Performance Statistics

70.0%
Allow Rate
+18.0% vs TC avg
857
Total Applications
+31.7%
Interview Lift
933
Avg Prosecution Days
Based on 804 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
22.3%
§102 Novelty
47.8%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18833311 Roof Support Unit for a Mining Machine Non-Final OA Caterpillar Inc.
19072786 SYSTEMS AND METHODS FOR BLOCKING A SURGE OF WATER Non-Final OA The Texas A&M University System
18836201 FLOATING-TYPE OFFSHORE WIND POWER MOORING SYSTEM CAPABLE OF REDUCING YAW MOTION Non-Final OA Korea Institute of Ocean Science & Technology

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Frequently Asked Questions

What is examiner Edwin J Toledo-Duran's allowance rate?

70.0% of resolved applications examined by Edwin J Toledo-Duran were allowed (804 resolved cases), compared with 79.2% across Art Unit 3615 over the last five years.

Does an interview help with examiner Edwin J Toledo-Duran?

This examiner's interview lift is +31.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Edwin J Toledo-Duran take to allow a patent?

Applications allowed by Edwin J Toledo-Duran took 933 days on average from filing to allowance.

Which art unit does examiner Edwin J Toledo-Duran work in?

Edwin J Toledo-Duran examines applications in Art Unit 3615 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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