Prosecution Insights
Last updated: October 27, 2026

Eduardo R Ferrero, USPTO Patent Examiner

Listed by the USPTO as FERRERO, EDUARDO R

Tech Center 3700 • Art Units: 1791 3711 3721 3731

This examiner grants 62% of resolved cases

Analysis

Eduardo R. Ferrero is an examiner in Tech Center 3700, Art Unit 1791, with 436 resolved cases. The examiner has an allowance rate of 61.7 percent. The median days to allowance is 1238, which is the typical timeframe for reaching a grant.

The interview lift of 43.1 percent is substantial, indicating that interviews are a highly effective strategy for overcoming rejections. Major applicants include Hexcelpack LLC, Cilag GmbH International, and Hilti Aktiengesellschaft. These entities are frequently represented by Blank Rome LLP, Davidson Kappel LLC, and DILWORTH IP, LLC.

With a 61.7 percent allowance rate and a 1238-day median timeline, practitioners should be prepared for a standard prosecution process. The 43.1 percent interview lift highlights the value of direct communication with this examiner. This data from 436 resolved cases provides a clear roadmap for successful prosecution.

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

Performance Statistics

61.7%
Allow Rate
-8.3% vs TC avg
474
Total Applications
+43.1%
Interview Lift
1238
Avg Prosecution Days
Based on 436 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
12.1%
§102 Novelty
63.9%
§103 Obviousness
21.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19405886 ELECTRONIC SPINDLE LOCK FOR A POWER TOOL Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
19194539 TISSUE CUSHION ADJUNCTS FOR SURGICAL STAPLER END EFFECTOR Final Rejection Cilag GmbH International
18967177 SURGICAL TOOL WITH MANUAL CONTROL OF END EFFECTOR JAWS Final Rejection Cilag GmbH International
18277404 METHOD FOR OPERATING A POWER TOOL AND POWER TOOL Final Rejection Hilti Aktiengesellschaft
18019345 MACHINE AND METHOD FOR RUNNING A MACHINE Non-Final OA Hilti Aktiengesellschaft
19483874 STRAPPING DEVICE INCLUDING AN ULTRASONIC SEALER Non-Final OA Signode Industrial Group LLC
18973711 APPARATUS AND METHOD FOR PACKAGING LOOSE PRODUCT Non-Final OA Altria Client Services LLC
19141846 DEVICE FOR FOLDING A PACKAGING STRIP OF A BATCH OF CONTAINERS Non-Final OA SIDEL PARTICIPATIONS

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Frequently Asked Questions

What is examiner Eduardo R Ferrero's allowance rate?

61.7% of resolved applications examined by Eduardo R Ferrero were allowed (436 resolved cases), compared with 26.2% across Art Unit 1791 over the last five years.

Does an interview help with examiner Eduardo R Ferrero?

This examiner's interview lift is +43.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eduardo R Ferrero take to allow a patent?

Applications allowed by Eduardo R Ferrero took 1,238 days on average from filing to allowance.

Which art unit does examiner Eduardo R Ferrero work in?

Eduardo R Ferrero examines applications in Art Unit 1791 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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