Changeflow GovPing Telecom & Technology Patent Granted for ASR Model Pseudo-Corrections
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Patent Granted for ASR Model Pseudo-Corrections

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

The European Patent Office has granted patent EP4416721B1 for a method involving pseudo-corrections to prevent forgetting in personalized on-device Automatic Speech Recognition (ASR) models. This patent, naming Rajiv Mathews, Dragan Zivkovic, and Khe Chai Sim as inventors, focuses on advancements in AI and machine learning for speech recognition technology.

What changed

The European Patent Office (EPO) has granted patent EP4416721B1, titled "GENERATION AND UTILIZATION OF PSEUDO-CORRECTION(S) TO PREVENT FORGETTING OF PERSONALIZED ON-DEVICE AUTOMATIC SPEECH RECOGNITION (ASR) MODEL(S)". The patent covers a technical method for improving the performance and memory retention of ASR models, particularly those operating on personal devices. The grant signifies the EPO's recognition of novel inventive steps in the field of artificial intelligence and speech processing.

This patent grant is primarily of interest to technology developers and manufacturers in the AI and speech recognition space. While it does not impose direct compliance obligations on regulated entities, it represents a significant intellectual property development. Companies involved in developing or utilizing on-device ASR technology should be aware of this patent, as it may impact future product development, licensing strategies, and potential infringement considerations within the designated European states.

Source document (simplified)

← EPO Patent Bulletin

GENERATION AND UTILIZATION OF PSEUDO-CORRECTION(S) TO PREVENT FORGETTING OF PERSONALIZED ON-DEVICE AUTOMATIC SPEECH RECOGNITION (ASR) MODEL(S)

Grant EP4416721B1 Kind: B1 Mar 18, 2026

Inventors

MATHEWS, Rajiv, ZIVKOVIC, Dragan, SIM, Khe Chai

IPC Classifications

G10L 15/22 20060101AFI20250505BHEP G10L 15/07 20130101ALI20250505BHEP G10L 15/26 20060101ALI20250505BHEP G06N 3/084 20230101ALI20250505BHEP

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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Classification

Agency
EPO
Published
March 18th, 2026
Instrument
Notice
Legal weight
Non-binding
Stage
Final
Change scope
Minor
Document ID
EP4416721B1

Who this affects

Applies to
Manufacturers Technology companies
Industry sector
5112 Software & Technology
Activity scope
Speech Recognition
Geographic scope
European Union EU

Taxonomy

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

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