European Patent Office

T 1983/23 (Filter Elements/DONALDSON) of 15.10.2025

European Case Law Identifier
ECLI:EP:BA:2025:T198323.20251015
Date of decision
15 October 2025
Case number
T 1983/23
Online on
4 December 2025
Petition for review of
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Application number
17817599.8
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
FILTER ELEMENTS, AIR CLEANER ASSEMBLIES, AND METHODS OF USE AND ASSEMBLY
Applicant name
Donaldson Company, Inc.
Opponent name
MANN + HUMMEL GmbH
Board
3.3.05
Headnote
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Relevant legal provisions
European Patent Convention Art 54European Patent Convention Art 123(2)Rules of procedure of the Boards of Appeal Art 11Rules of procedure of the Boards of Appeal Art 12(4)
Keywords
Amendments - main request and auxiliary requests 1 to 15
Amendments - allowable (no)
Novelty - auxiliary requests 16 and 17 (no)
Auxiliary requests 18 to 31 - admissibly raised and maintained (yes)
Remittal - (yes)
Catchword
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Cited cases
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Citing cases
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Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The case is remitted to the opposition division for further prosecution.