European Patent Office

T 0723/24 (Fiberisable glass compositions/Electric Glass Fiber America) of 06.02.2026

European Case Law Identifier
ECLI:EP:BA:2026:T072324.20260206
Date of decision
6 February 2026
Case number
T 0723/24
Online on
4 May 2026
Petition for review of
-
Application number
15771328.0
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
GLASS COMPOSITIONS, FIBERIZABLE GLASS COMPOSITIONS, AND GLASS FIBERS MADE THEREFROM
Applicant name
Electric Glass Fiber America, LLC
Opponent name
Owens Corning Intellectual Capital, LLC
Board
3.3.05
Headnote
-
Relevant legal provisions
European Patent Convention Art 56European Patent Convention Art 123(2)Rules of procedure of the Boards of Appeal 2020 Art 012(4)Rules of procedure of the Boards of Appeal 2020 Art 012(6)
Keywords
Inventive step (no)
Inventive step - improvement not credible
Inventive step - obvious alternative
Amendments - allowable (no) (auxiliary requests 1A-24A)
Objection not admitted in opposition proceedings - circumstances of appeal case justify admittance (yes)
Amendment to case - suitability of amendment to address issues (no)
Catchword
-
Citing cases
-

Order

For these reasons it is decided that:

1. The decision under appeal is set aside.

2. The patent is revoked.