A person who stands by with knowledge of proceedings in which their wholly-owned company is a party, without seeking to be joined, may be restrained from subsequently bringing proceedings raising substantially the same issues, even where the person was not formally a party to the earlier proceedings. The 'broad merits-based judgment' approach to abuse of process does not require identity of parties or their privies; a relevant connection between the litigants (such as sole ownership and control of a corporate party) is sufficient.
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