Of course they use outside help. This is not a secret. Look at who their lawyers were in the following case:
Superior Court of California - County of San Diego
Case Number: 37-2013-00067529-CU-PO-CTL
Date Filed: 09/18/2013
Case Title: Padron vs. Doe 1
WATCHTOWER BIBLE AND TRACT SOCIETY OF NEW YORK, INC Defendant
Representation: Kahn, Beth A; McNamara, Francis J; OLSON, DEAN A
Now, I know McNamara, Francis J is from Patterson Legal.
But Beth A. Kahn is a partner at Morris Polich & Purdy per http://www.mpplaw.com/beth-kahn/