European Patent Office

T 1609/23 of 22.10.2025

European Case Law Identifier
ECLI:EP:BA:2025:T160923.20251022
Date of decision
22 October 2025
Case number
T 1609/23
Online on
21 November 2025
Petition for review of
-
Application number
16704969.1
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
NEAR INFRARED OPTICAL INTERFERENCE FILTERS WITH IMPROVED TRANSMISSION
Applicant name
Materion Corporation
Opponent name
Viavi Solutions Inc.
Board
3.4.02
Headnote
-
Keywords
Novelty - main request (yes)
Inventive step - main request (yes)
Sufficiency of disclosure - (yes)
Amendments - allowable (yes)
Catchword
-
Cited cases
-
Citing cases
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Order

For these reasons it is decided that:

The decision under appeal is set aside.

The case is remitted to the opposition division with the order to maintain the patent as amended in the following version:

Description:

Paragraphs 1 to 5, 9 to 22, 24 to 32 and 34 to 38 of the patent specification and paragraphs 6, 23 and 33 filed at the oral proceedings before the Board on 22 October 2025.

Claims:

Claims 1 to 7 of the main request filed under cover of a letter dated 15 September 2025.

Drawings:

Figs. 1 to 4 of the patent specification.