Jay-Z may be a business, man, as his lyrics say, but his attorney, Quinn Emanuel Urquhart & Sullivan partner Alex Spiro, says the U.S. Securities and Exchange Commission has no business requesting an open-ended interview process with the rapper with no concrete limit on the artist and entrepreneur’s time.

Regulators’ attempts now to compel Jay-Z through a court order raise “serious questions about whether this exercise has transcended any investigative purpose and crossed over into a celebrity hunt,” Spiro stated in a filing Monday.