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Addressing a Trusted Execution Environment Using Clean Room Provisioning

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Summary

Microsoft Technology Licensing, LLC has been granted European patent EP3574429A1 titled 'Addressing a Trusted Execution Environment Using Clean Room Provisioning', with inventor Mark F. Novak listed on the application. The patent covers methods for clean room provisioning to address trusted execution environments in computing systems, classified under G06F 21/53, G06F 21/74, and various H04L security classifications. The patent designation covers multiple European member states including Germany, France, the United Kingdom, Italy, Spain, and 22 other designated states.

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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

European Patent Office granted patent EP3574429A1 to Microsoft Technology Licensing, LLC on April 15, 2026. The patent covers systems and methods for addressing trusted execution environments using clean room provisioning approaches, with classifications spanning secure computing (G06F 21/53, G06F 21/74) and telecommunications security protocols (H04L 9/08, H04L 9/40, H04L 9/32).\n\nAffected parties include technology companies developing secure computing systems, trusted execution environment implementations, and cybersecurity solutions. The patent provides Microsoft with intellectual property protection across 31 designated European and associated states, potentially limiting competitors from implementing similar clean room provisioning approaches for trusted execution environments without licensing the technology.

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

ADDRESSING A TRUSTED EXECUTION ENVIRONMENT USING CLEAN ROOM PROVISIONING

Publication EP3574429A1 Kind: A1 Apr 15, 2026

Applicants

Microsoft Technology Licensing, LLC

Inventors

NOVAK, Mark F.

IPC Classifications

G06F 21/53 20130101AFI20260311BHEP G06F 21/74 20130101ALI20260311BHEP H04L 9/08 20060101ALI20260311BHEP H04L 9/40 20220101ALI20260311BHEP H04L 9/32 20060101ALI20260311BHEP

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
Executive
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP3574429A1

Who this affects

Applies to
Technology companies
Industry sector
5112 Software & Technology
Activity scope
Patent grant Security technology development Trusted execution environments
Geographic scope
European Union EU

Taxonomy

Primary area
Intellectual Property
Operational domain
Legal
Topics
Cybersecurity

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