My current favorite interrogatory
State the names and addresses of all persons who have given written, oral or recorded statements or testimony, concerning this matter or any matter that is the subject of any pleading filed in this matter, including testimony or statements recorded in the form of transcripts and for each such written, oral or recorded statement or transcript, including those recorded in the form of transcripts, identify in whose possession now is a copy of the same and attach to your Answers a copy of any statement obtained from the party propounding these Interrogatories
Someone went to law school for four whole years to learn to write like that!
Edit: three years, of course. Though a fourth year would go far toward explaining the prose.