Prosecution Insights
Last updated: October 26, 2026

Sergio Coffa, USPTO Patent Examiner

Listed by the USPTO as COFFA, SERGIO

Tech Center 1600 • Art Units: 1654 1658 1675 1676

This examiner grants 61% of resolved cases

Analysis

COFFA, SERGIO is a USPTO patent examiner in tech center 1600 and art unit 1654. The profile includes 754 resolved cases, a 61.1% allowance rate, a 32.3% interview lift, and a median of 1069 days to allowance. The data supports treating interviews as a potentially useful prosecution tool while allowing for a moderate overall allowance outcome.

The listed companies are University of Florida Research Foundation Inc., Novo Nordisk A/S, and The Ohio State University. The listed firms are Clark+Elbing LLP, FOLEY & LARDNER LLP, and Meunier Carlin & Curfman LLC. The organizations indicate experience with university research and pharmaceutical matters.

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

Performance Statistics

61.1%
Allow Rate
+1.1% vs TC avg
815
Total Applications
+32.3%
Interview Lift
1069
Avg Prosecution Days
Based on 754 resolved cases, 2023–2026

Rejection Statute Breakdown

3.8%
§101 Eligibility
16.6%
§102 Novelty
34.5%
§103 Obviousness
27.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18582271 p53 VARIANT WITH IMPROVED LIQUID-LIQUID PHASE SEPARATION ABILITY AND ACTIVITY AND USE THEREOF Non-Final OA Zhejiang University
18836118 PEPTIDE HAVING ANTIBACTERIAL, ANTI-INFLAMMATORY OR TISSUE REGENERATION ABILITY AND USE THEREOF Non-Final OA Seoul National University R&DB Foundation
17518047 METHOD FOR TREATING OPIOID USE DISORDER Final Rejection The United States Government as represented by the Department of Veterans Affairs

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Frequently Asked Questions

What is examiner Sergio Coffa's allowance rate?

61.1% of resolved applications examined by Sergio Coffa were allowed (754 resolved cases), compared with 48.5% across Art Unit 1654 over the last five years.

Does an interview help with examiner Sergio Coffa?

This examiner's interview lift is +32.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sergio Coffa take to allow a patent?

Applications allowed by Sergio Coffa took 1,069 days on average from filing to allowance.

Which art unit does examiner Sergio Coffa work in?

Sergio Coffa examines applications in Art Unit 1654 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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