Del. Code Ann. tit. 10, § 6003
Not later than 60 days after a party is served with a complaint, crossclaim, counterclaim, third-party claim, or other pleading that asserts a cause of action to which this chapter applies, or at a later time on a showing of good cause, the party may file a special motion for expedited relief to dismiss the cause of action or part of the cause of action.