🏛️ EPO Munich
EPO T 0466/25
Court
EPO Board of Appeal 3.3.05 (Munich)
Type of action
opposition appeal
Language
en
Claimant / applicant
- Kureha Corporation
Defendant / respondent
- ARKEMA FRANCE S.A.
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Decisions and documents (1)
- 2026-07-02appeal decision
Novelty - implicit disclosure (yes/no); Novelty - public prior use; Novelty - implicit obligation to maintain secrecy (no); Novelty - public prior use (yes); Novelty - public prior use; Novelty - burden of proof; Amendments - allowable (no); Amendments - intermediate generalisation; Amendments - undisclosed disclaimer; Amendment after summons - exceptional circumstances (no)
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