Question juridique clé
Whether the appellant lacked the capacity to conduct the appeal proceedings without counsel and whether the Obergericht had to appoint representation.
Solution extraite
No obvious inability was shown; the appellant knowingly chose self-representation and the court had no duty to appoint counsel.
Motifs extraits
Art. 69 ZPO applies only where incapacity to conduct the case is obvious. The appellant was informed, filed a structured response, and showed sufficient orientation and business experience.