European Patent Office

T 0769/23 (Noise reduction in a hearing aid/NOOPL) of 01.10.2025

European Case Law Identifier
ECLI:EP:BA:2025:T076923.20251001
Date of decision
1 October 2025
Case number
T 0769/23
Petition for review of
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Application number
14764221.9
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 noise reduction method and system
Applicant name
Noopl, Inc.
Opponent name
K/S HIMPP
Board
3.5.05
Headnote
-
Keywords
Summons to oral proceedings - notification by public notice
Summons to oral proceedings - continuation of proceedings without duly summoned party
Inventive step - main request and auxiliary requests 1 to 4 (no): no credible technical effect over the whole scope claimed
Admittance of claim requests filed on appeal - auxiliary requests 5, 6 and 3A to 6A (no): admittance contrary to the need for procedural economy
Catchword
As to the concept of "teaching away" when applying the problem-solution approach, see point 3.3 of the Reasons.
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.