Questione giuridica chiave
Whether the cantonal court violated the Constitution by declaring the opposition to a default judgment inadmissible for lack of the parties' domiciles in the opposition memorandum.
Decisione estratta
Yes. The strict sanction was disproportionate because the omission caused no prejudice and did not affect any protected interest; refusing the opposition amounted to excessive formalism.
Motivazione estratta
The purpose of the domicile requirement was already satisfied: the parties' identities and domiciles were known from the original claim and the default judgment, and the respondent could not plausibly claim uncertainty. Applying the nullity sanction in these circumstances served no legitimate procedural interest and unduly blocked access to court.