English to German Law/Patents Law: Contract(s) Gesellschaftsformen

Es geht um eine Immobiliengesellschaft mit Sitz in NY, eine Delaware Ltd mit einer komplizierten Eigentumsstruktur. Satz:
(The Partnership was organized for a period until xxxxx for the purpose of owning and operating the office building known as xxx zzz. At the time of formation the Partnership was concurrently acquiring a limited partnership interest in xxx xxx LP, in addition to the sole equity membership interest in xxx zzz LLC, which collectively owned the Property.