I. An amendment of a claim by the introduction of a technical feature taken in isolation from the description of a specific embodiment is not allowable under Article 123(2) EPC if it is not clear beyond any doubt for a skilled reader from the application documents as filed that the subject-matter of the claim thus amended provides a complete solution to a technical problem unambiguously recognizable from the application.

II. Nor is an amendment allowable under Article 123(2) EPC which replaces a disclosed specific feature either by its function or by a more general term and thus incorporates undisclosed equivalents into the content of the application as filed.

Amendment (not allowable) of European patent application: limitation of claims by introduction of technical features selected from the description of an embodiment
Inadmissible generalizations (main first auxiliary and second auxiliary requests)
Inventive step (yes) (third auxiliary request)

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