The Appeals Court held that an argument that was not raised in first instance proceedings, shall not be considered a new matter, and consequently be dismissed, if it only further specifies or clarifies the line of argumentation in first instance. On the other hand, f the plaintiff refers to the specifics of a technical teaching disclosed in prior art for the first time at the appeal stage in order to support a nullity attack, it shall be considered a new matter, even if this prior art was already filed in first instance.

A summary of this case will be posted on


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