Prosecution Insights
Last updated: October 02, 2026

Examiner: FERRERO, EDUARDO R

Tech Center 3700 • Art Units: 1791 3711 3721 3731 3733

This examiner grants 62% of resolved cases

Analysis

Eduardo R Ferrero is an examiner in Tech Center 3700 and Art Unit 1791, with 436 resolved cases. His allowance rate is 61.9 percent. This rate indicates a moderate to high likelihood of success for applicants in his art unit. The 61.9 percent allowance rate suggests that the examiner is receptive to well-supported patent applications in the chemical and materials science fields.

The interview lift is 43.4 percent. This is a very high lift, suggesting that interviews are an exceptionally effective strategy for securing an allowance. Given the 61.9 percent allowance rate, conducting an interview can significantly boost the chances of a positive outcome. For the 436 resolved cases, the 43.4 percent lift is a critical data point for practitioners to consider when planning their strategy.

The median days to allowance is 1238. This timeline reflects the typical duration for cases that reach a grant. With 436 resolved cases, the data highlights the importance of the 43.4 percent interview lift as a key strategic tool. The 1238-day median provides a realistic expectation for the time required to achieve a patent grant under this examiner.

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

Performance Statistics

61.9%
Allow Rate
-8.1% vs TC avg
469
Total Applications
+43.4%
Interview Lift
1238
Avg Prosecution Days
Based on 436 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
11.7%
§102 Novelty
63.9%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
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
18689995 APPARATUS AND METHOD FOR FEEDING CAPSULES Final Rejection I.M.A. INDUSTRIA MACCHINE AUTOMATICHE S.P.A.
18973711 APPARATUS AND METHOD FOR PACKAGING LOOSE PRODUCT Non-Final OA Altria Client Services LLC
19114217 END-OF-LINE BOX PROCESSING ONBOARD AUTONOMOUS MOBILE ROBOTS Final Rejection Ranpak Corp.
18694602 METHOD AND DEVICE FOR REMEDYING DISTURBANCES IN A FILLING AND/OR SEALING AND/OR POST-PROCESSING INSTALLATION Final Rejection OPTIMA pharma GmbH

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