European Patent Office

T 1144/23 of 07.08.2025

European Case Law Identifier
ECLI:EP:BA:2025:T114423.20250807
Date of decision
7 August 2025
Case number
T 1144/23
Online on
13 October 2025
Petition for review of
-
Application number
10837603.9
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
BLOOD PURIFICATION APPARATUS
Applicant name
Nikkiso Company Limited
Opponent name
B. Braun Avitum AG
Board
3.2.02
Headnote
-
Keywords
Amendments - extension beyond the content of the application as filed (no)
Inventive step - main request and auxiliary request 1 (no)
- auxiliary request 2 (yes)
Catchword
-
Cited cases
-
Citing cases
-

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 with the order to maintain the patent as amended in the following version:

- claims 1 to 3 of auxiliary request 2 filed on

27 April 2022

- description paragraphs 1 to 9, 13 to 16, 18 to 46 and

50 to 52 of the patent specification; and 10, 11, 17

and 47 to 49 filed during the oral proceedings on

7 August 2025

- the drawings of the patent specification