Kernrechtsfrage
Whether Josef Schmid Estermann could be pursued by exchange enforcement on the basis of his exchange suretyship.
Extrahierter Entscheid
Yes. As a registered member of the partnership, he could be pursued by exchange enforcement for the bill-based claim.
Extrahierte Begründung
The claim rested on a negotiable-law undertaking of exchange suretyship, not on subsidiary liability as a partner.