Deel, the HR software firm accused of corporate espionage in Dublin by its rival Rippling, has filed a countersuit in the Superior Court in the US state of Delaware.  The firm, valued at more than $12 billion, said it has filed a motion to dismiss Ripping’s action against it in the United States on “forum non conveniens grounds”.  It is arguing that the case should be dealt with in Dublin, where the alleged corporate “spy” Keith O’Brien was based and working for Rippling’s Irish subsidiary. The company confirmed the move in a blog post. It also has filed a motion…