“Catch-all” or “blanket” conveyancing language oftentimes appears in conveyances where a lender wishes to capture property that is not or could not be described with specificity. Recent market shifts will precipitate scrutiny of mineral grants and parties must be prepared to assess their own claims. In this article, Akin Gump attorneys provide a summary of recent cases determining the validity of blanket grants and provide a framework for parties to assess their claims to minerals – before a court does.