Series of Unincorporated Business Entities: the Mobius Strip and Klein Bottle of Business Entity Law.

The article focuses on protected series for limited liability companies (LLCs), which refers to an identifiable set of assets segregated within an LLC. These associated assets constitute the series, and a series has the power to conduct the LLC's activities. The protected series has existed for a long time at investment trusts in Delaware. It is stated that a protected series establishes a liability shield to protect the assets of one protected series from the creditors.