Opposition may only be filed on the grounds that:
What is EPC 100?
This is Article 100 from the EPC (Europäisches Patentübereinkommen), which is part of the legal framework governing the Unified Patent Court in Europe.
Legal Text
(a)
the subject-matter of the European patent is not patentable under Articles 52 to 57;
(b)
the European patent does not disclose the invention in a manner sufficiently clear and complete for it to be carried out by a person skilled in the art;
(c)
the subject-matter of the European patent extends beyond the content of the application as filed, or, if the patent was granted on a divisional application or on a new application filed under Article 61, beyond the content of the earlier application as filed.
Applied In
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Official Source
This legal text is from the official EPC framework governing the Unified Patent Court.
Reference: EPC 100 (Article 100)