Prosecution Insights
Last updated: October 27, 2026

Luis Eugenio Diou Berdecia, USPTO Patent Examiner

Listed by the USPTO as DIOU BERDECIA, LUIS EUGENIO

Tech Center 1700 • Art Units: 1791 1792

This examiner grants 50% of resolved cases

Analysis

DIOU BERDECIA, LUIS EUGENIO is assigned to Tech Center 1700 and Art Unit 1791. The record includes 60 resolved cases, a 50.0% allowance rate, and a median of 1242 days to allowance. The 21.5% interview lift indicates that interviews are associated with a meaningful improvement in allowance outcomes.

Representative companies are Arla Foods Amba, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., and Nestlé S.A. The listed firms are Knobbe, Martens, Olson & Bear, LLP, Brooks Kushman P.C., and Cherson Feldenkrais IP Law Firm LLP. The limited case volume warrants caution, but the data supports considering interviews as part of prosecution planning.

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

Performance Statistics

50.0%
Allow Rate
-15.0% vs TC avg
96
Total Applications
+21.5%
Interview Lift
1242
Avg Prosecution Days
Based on 60 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
12.7%
§102 Novelty
55.0%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18713340 VEGAN-BASED EGG YOLK SUBSTITUTE PRODUCT Non-Final OA FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
18566199 FERMENTED NON-DAIRY FOOD COMPOSITION COMPRISING OAT AND FABA PROTEINS Final Rejection SOCIETE DES PRODUITS NESTLE S.A.
17636129 METHOD FOR PRODUCING AQUEOUS COMPOSITION CONTAINING REBAUDIOSIDE D, SWEETENING COMPOSITION CONTAINING REBAUDIOSIDE D, AND BEVERAGE CONTAINING SWEETENING COMPOSITION Final Rejection SUNTORY HOLDINGS LIMITED
18790516 METHOD FOR SUPPRESSING P-CRESOL ODOR Non-Final OA AJINOMOTO CO., INC.
17413007 FLAVOR SYSTEM Final Rejection Firmenich SA
18730774 Improvements In or Relating to Organic Compounds Non-Final OA Givaudan SA

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Frequently Asked Questions

What is examiner Luis Eugenio Diou Berdecia's allowance rate?

50.0% of resolved applications examined by Luis Eugenio Diou Berdecia were allowed (60 resolved cases), compared with 26.2% across Art Unit 1791 over the last five years.

Does an interview help with examiner Luis Eugenio Diou Berdecia?

This examiner's interview lift is +21.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Luis Eugenio Diou Berdecia take to allow a patent?

Applications allowed by Luis Eugenio Diou Berdecia took 1,242 days on average from filing to allowance.

Which art unit does examiner Luis Eugenio Diou Berdecia work in?

Luis Eugenio Diou Berdecia examines applications in Art Unit 1791 in Tech Center 1700 (Chemistry & Materials).

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