T 0454/23 (Authentication messages for hearing devices/GN HEARING) of 11.02.2025

European Case Law Identifier: ECLI:EP:BA:2025:T045423.20250211
Date of decision: 11 February 2025
Case number: T 0454/23
Petition for review of: -
Application number: 19153306.6
IPC class: H04L 9/32 H04L 9/08 H04R 25/00
Language of proceedings: English
Distribution: No distribution (D)
Download: Decision in English
OJ versions: No OJ links found
Other decisions for this case: -
Abstracts for this decision: -
Application title: Client device with certificate and related method
Applicant name: GN Hearing A/S
Opponent name: Oticon A/S
Board: 3.5.05
Headnote: -
Relevant legal provisions: European Patent Convention Art 56
Keywords: Inventive step - (no): determination of the objective technical problem under the established problem-solution approach
Inventive step - conclusions of T 495/91 not followed
Catchword: -
Cited cases: G 0001/19 R 0009/14 T 0001/80 T 0495/91 T 1861/17 T 1830/22
Citing cases: T 1632/22

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.