European Patent Office

T 2552/22 (Anti-LAG-3 antibodies) of 13.05.2025

European Case Law Identifier
ECLI:EP:BA:2025:T255222.20250513
Date of decision
13 May 2025
Case number
T 2552/22
Online on
21 August 2025
Petition for review of
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Application number
15156647.8
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
Human antibodies that bind lymphocyte activation gene-3 (LAG-3) and uses thereof
Applicant name
E. R. Squibb & Sons, L.L.C.
Opponent name
Regeneron Pharmaceuticals, Inc.
Board
3.3.04
Headnote
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Relevant legal provisions
European Patent Convention Art 56Rules 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 - obvious alternative
Amendment to case - amendment within meaning of Art. 12(4) RPBA 2020 (yes)
Amendment to case - admitted (yes)
Catchword
-
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.