A Notice of Lis Pendens is a document that is filed with a County Recorder's Office in Minnesota to show that there is a pending lawsuit in court regarding that land. “Lis Pendens” is Latin for “lawsuit pending” or “litigation pending.”
A Notice of Intent to Lien (NOI) is a document sent to notify certain parties on a construction project of the consequences of non-payment. An NOI is a warning that if payment isn't made, the claimant intends to file a mechanics lien. It works a lot like a demand letter.
A notice of lis pendens to record against title to real property in the county where the property is located to provide constructive (record) notice of a pending action that affects title to real property (including actions to enforce a lien (other than a mechanic's lien)).