Changeflow GovPing Telecom & Technology HRL Labs Fuzzy Extractor Patent EP3656087A1
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HRL Labs Fuzzy Extractor Patent EP3656087A1

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Summary

The European Patent Office published patent application EP3656087A1 titled 'Practical Reusable Fuzzy Extractor Based on the Learning-With-Error Assumption and Random Oracle', filed by HRL Laboratories, LLC of Malibu, California. The application names five inventors and covers cryptographic methods in the H04L, G06K, and G06N classifications. Publication Kind A1 indicates the application has been made publicly available. The designated states cover all current EPO member states and extension countries.

“PRACTICAL REUSABLE FUZZY EXTRACTOR BASED ON THE LEARNING-WITH-ERROR ASSUMPTION AND RANDOM ORACLE”

EPO , verbatim from source
Published by EPO on changeflow.com . Detected, standardized, and enriched by GovPing. Review our methodology and editorial standards .

About this source

GovPing monitors EPO Patent Bulletin - Networking (H04L) for new telecom & technology regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 55 changes logged to date.

What changed

The EPO published patent application EP3656087A1 for HRL Laboratories, LLC covering cryptographic fuzzy extractor technology. The application is now publicly available with all designated states listed for potential validation. No changes to existing regulations are involved.

Entities monitoring patent landscapes in cryptography, cybersecurity hardware tokens, or biometric authentication systems should review this publication for potential blocking effects on overlapping technologies. The scope extends across 34 EPO-designated states including Germany, France, the United Kingdom, Italy, Spain, and the Netherlands.

Archived snapshot

Apr 25, 2026

GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.

← EPO Patent Bulletin

PRACTICAL REUSABLE FUZZY EXTRACTOR BASED ON THE LEARNING-WITH-ERROR ASSUMPTION AND RANDOM ORACLE

Publication EP3656087A1 Kind: A1 Apr 15, 2026

Applicants

HRL Laboratories, LLC

Inventors

CHO, Chongwon, APON, Daniel, C., EL DEFRAWY, Karim, KATZ, Jonathan

IPC Classifications

H04L 9/32 20060101AFI20210304BHEP H04L 9/08 20060101ALI20210304BHEP G06K 9/00 20060101ALI20210304BHEP G06N 3/04 20060101ALI20210304BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Last updated

Classification

Agency
EPO
Published
April 15th, 2026
Instrument
Rule
Branch
International
Legal weight
Binding
Stage
Final
Change scope
Minor

Who this affects

Applies to
Manufacturers Technology companies
Industry sector
5112 Software & Technology
Activity scope
Patent application IP registration Cryptographic technology
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Cybersecurity Data Privacy

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