European Patent Office

T 1973/23 (Slots and openings of an antenna/GN HEARING) of 25.11.2025

European Case Law Identifier
ECLI:EP:BA:2025:T197323.20251125
Date of decision
25 November 2025
Case number
T 1973/23
Petition for review of
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Application number
18158856.7
IPC class
H04R 25/00
Language of proceedings
English
Distribution
No distribution (D)
OJ versions
No OJ links found
Other decisions for this case
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Abstracts for this decision
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Application title
A hearing aid having a slot antenna
Applicant name
GN Hearing A/S
Opponent name
Oticon A/S
Board
3.5.05
Headnote
-
Relevant legal provisions
European Patent Convention Art 100(c)European Patent Convention Art 123(2)Rules of procedure of the Boards of Appeal 2020 Art 012(4)Rules of procedure of the Boards of Appeal 2020 Art 013(2)
Keywords
Added subject-matter - main request and auxiliary requests 1 to 13 (yes): radiating slot vs. non-radiating opening
Admittance of new argument as to claim construction filed with the grounds of appeal (yes): claim construction is a matter of law + suitable to address issues that led to the decision under appeal
Admittance of claim requests filed after Art.
15(1) RPBA communication - new auxiliary requests 1 and 2 (no): no "exceptional circumstances"
Catchword
-
Citing cases
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Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.