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EPO Patent Grant: Voice Command Intent and Slot Identification System

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Published March 18th, 2026
Detected March 23rd, 2026
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Summary

The European Patent Office has granted patent EP4381499B1 for a system and method for simultaneously identifying intent and slots in voice assistant commands. This patent, effective March 18, 2026, covers innovations in natural language processing for voice interfaces.

What changed

The European Patent Office (EPO) has granted patent EP4381499B1, titled "System and Method for Simultaneously Identifying Intent and Slots in Voice Assistant Commands." This patent, effective March 18, 2026, pertains to advancements in artificial intelligence and natural language processing, specifically for voice command interpretation in virtual assistants. The grant signifies the EPO's recognition of novel technology in this domain.

This patent grant is primarily relevant for intellectual property management within technology companies developing AI-powered voice assistants. While it does not impose direct compliance obligations on regulated entities, it establishes exclusive rights for the patent holder in the designated European states. Companies operating in this space should be aware of this granted patent to avoid potential infringement and to inform their own R&D and patent strategies.

Source document (simplified)

← EPO Patent Bulletin

SYSTEM AND METHOD FOR SIMULTANEOUSLY IDENTIFYING INTENT AND SLOTS IN VOICE ASSISTANT COMMANDS

Grant EP4381499B1 Kind: B1 Mar 18, 2026

Inventors

KANUNGO, Tapas, BENGRE, Nehal A., ZHU, Qingxiaoyang, LOZHNEVSKY, Yurii, WALSH, Stephen Michael, SIAKOV, Dmitrii

IPC Classifications

G10L 15/22 20060101AFI20240911BHEP G10L 15/18 20130101ALI20240911BHEP G06F 40/284 20200101ALI20240911BHEP G06N 20/00 20190101ALI20240911BHEP G06F 40/30 20200101ALI20240911BHEP G10L 15/16 20060101ALI20240911BHEP

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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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Named provisions

SYSTEM AND METHOD FOR SIMULTANEOUSLY IDENTIFYING INTENT AND SLOTS IN VOICE ASSISTANT COMMANDS

Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Rule
Legal weight
Binding
Stage
Final
Change scope
Minor
Document ID
EP4381499B1

Who this affects

Applies to
Technology companies
Industry sector
5112 Software & Technology
Activity scope
Voice Assistant Technology
Geographic scope
European Union EU

Taxonomy

Primary area
Artificial Intelligence
Operational domain
IT Security
Topics
Intellectual Property Technology

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