Purchase, sale, trading and management of commercial real estate (business premises; no residential properties according to the Federal Act of 16 December 1983 on the acquisition of real estate by persons abroad); purchase, sale and trading of antiques; can acquire, hold, exploit or sell patents, trademarks and other intellectual property rights as well as license rights, can participate in other companies, acquire, encumber, sell and manage real estate, provide financing for its own or third-party account, and grant guarantees and warranties for subsidiaries and third parties.