I imagine that it depends on the context. A lawsuit for breach of contract (e.g., vendor non-payment) would likely proceed as a conventional complaint.
The key ingredient here that seems to make it a maritime claim is covered in ¶1(a-c), because the events described occurred in eligible waters.
The key ingredient here that seems to make it a maritime claim is covered in ¶1(a-c), because the events described occurred in eligible waters.