European Patent Office

T 1756/23 ("While" vs. "hence"/SONOVA) of 16.12.2025

European Case Law Identifier
ECLI:EP:BA:2025:T175623.20251216
Date of decision
16 December 2025
Case number
T 1756/23
Petition for review of
-
Application number
15707162.2
IPC class
H04R 25/00
Language of proceedings
English
Distribution
No distribution (D)
OJ versions
No OJ links found
Other decisions for this case
-
Abstracts for this decision
-
Application title
Method of mounting at least one hearing device component inside a hearing device shell and hearing device
Applicant name
Sonova AG
Opponent name
GN Hearing A/S
Board
3.5.05
Headnote
-
Relevant legal provisions
European Patent Convention Art 123(2)European Patent Convention Art 123(3)Rules of procedure of the Boards of Appeal 2020 Art 013(2)
Keywords
Added subject-matter - third, sixth to fourteenth, seventeenth to twenty-second auxiliary requests (yes)
Extension of scope of protection - fourth, fifth, fifteenth and sixteenth auxiliary requests (yes)
Admittance of claim requests filed after notification of Art. 15(1) RPBA communication - twenty-third to thirtieth auxiliary requests (no): no "exceptional circumstances"
Catchword
-
Cited cases
G 0001/93
Citing cases
-

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.