With special thanks to Emory University law professor David J. Bederman, an Atlanta company can now make, with a high degree of certainty, this claim: Artifacts recovered from the Titanic wreck site are theirs, all theirs.

Last month, the company, Premier Exhibitions Inc., finalized an agreement with a British insurer to acquire ownership of Titanic artifacts in Premier’s possession. While Premier had recovered the artifacts in seven separate expeditions to the Titanic wreck site in the North Atlantic, it had done so only under the legal status of salvor-in-possession. That left some legal question as to whether Premier actually owned the artifacts it stores and presents in traveling exhibits.