Question juridique clé
Whether the federal lease provisions on authorities and procedure exclude cantonal jurisdiction over a claim based on a patronage letter.
Solution extraite
No. The federal lease provisions do not require an exclusive lease-court jurisdiction limited to claims directly based on a lease contract.
Motifs extraits
Arts. 274 ff. CO leave procedural organization to the cantons; they do not bar a cantonal court from hearing claims that are accessory to or connected with a lease, even if the defendant is a guarantor rather than the tenant.