The celebrated case of Claflin v. Claflin left in its wake a number of novel legal problems, some of which have been at best only partially resolved. One of the most perplexing is that of the duration of the so-called "indestructible trust." Once such an "indestructible trust" is created, how long may it be permitted to endure? If an attempt is made to attain excessive duration, what penalty attaches? What disposition will be made of the legal and equitable estates?