Prosecution Insights
Last updated: October 26, 2026

Eduardo Colon Santana, USPTO Patent Examiner

Listed by the USPTO as COLON SANTANA, EDUARDO

Tech Center 2800 • Art Units: 2800 2837 2846

This examiner grants 71% of resolved cases

Analysis

Eduardo Colon Santana operates within Tech Center 2800, specifically Art Unit 2800. He has overseen 217 resolved cases, maintaining an allowance rate of 71.4%. The timeline for these cases is reflected in a median days to allowance of 1187. This duration suggests a longer prosecution period compared to examiners with shorter median pendency figures.

The data indicates an interview lift of 17.7%. This metric suggests that engaging in direct dialogue with the examiner may improve the probability of securing an allowance. For practitioners, this lift represents a strategic opportunity to advance cases that might otherwise face continued rejections.

Inventio AG and KONE Corporation are among the top companies appearing in his docket. The most active firms representing clients before him include SHUMAKER, LOOP & KENDRICK, LLP, BIRCH STEWART KOLASCH & BIRCH, LLP, and HARNESS, DICKEY & PIERCE, P.L.C. These firms likely have developed specific insights into the examiner's approach to technical disclosures in this art unit.

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

Performance Statistics

71.4%
Allow Rate
+3.4% vs TC avg
222
Total Applications
+17.7%
Interview Lift
1187
Avg Prosecution Days
Based on 217 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
33.4%
§102 Novelty
48.1%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18719300 APPARATUS FOR MEASURING A FORCE ON AN ELEVATOR INSTALLATION, METHOD FOR CHECKING BALANCING OF AN ELEVATOR INSTALLATION, AND AN ELEVATOR INSTALLATION FOR IMPLEMENTING THE METHOD Non-Final OA Inventio AG
18716966 METHOD FOR DETERMINING A LEAD TORQUE OF AN ELEVATOR SYSTEM Non-Final OA Inventio AG

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Who Appears Before This Examiner

Top companies before this examiner

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Frequently Asked Questions

What is examiner Eduardo Colon Santana's allowance rate?

71.4% of resolved applications examined by Eduardo Colon Santana were allowed (217 resolved cases), compared with 69.7% across Art Unit 2800 over the last five years.

Does an interview help with examiner Eduardo Colon Santana?

This examiner's interview lift is +17.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Eduardo Colon Santana take to allow a patent?

Applications allowed by Eduardo Colon Santana took 1,187 days on average from filing to allowance.

Which art unit does examiner Eduardo Colon Santana work in?

Eduardo Colon Santana examines applications in Art Unit 2800 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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