1008 – Answer of Third-Party Defendant; Defenses.

§  1008.  Answer  of  third-party defendant; defenses. The third-party
  defendant shall answer the claim asserted against him or her by  serving
  copies  of  his  or  her  answer  upon  the  third-party  plaintiff. The
  third-party defendant may assert against the plaintiff  in  his  or  her
  answer   any  defenses  which  the  third-party  plaintiff  has  to  the
  plaintiff's claim except an objection or defense that  the  summons  and
  complaint,  summons  with  notice or notice of petition and petition was
  not properly served, or that jurisdiction  was  not  obtained  over  the
  third-party  plaintiff.  The third-party defendant shall have the rights
  of a party adverse to the other parties in  the  action,  including  the
  right to counter-claim, cross-claim and appeal.