- Unlawful Detainer
- A legal action filed by a landlord to regain possession of a property from a tenant who remains without legal right — the most common form of eviction lawsuit in US courts.
- Notice to Quit
- A formal document requiring a tenant to vacate the premises or remedy a breach within a specified number of days, typically preceding court action.
- Pay or Quit Notice
- A notice giving a tenant a defined period — usually 3 to 14 days depending on jurisdiction — to pay all overdue rent or surrender the property.
- Cure or Quit Notice
- A notice requiring a tenant to remedy a specific lease violation within a set period or face eviction proceedings.
- Holdover Tenancy
- A situation where a tenant remains in possession of a property after the lease has expired without the landlord's consent.
- Writ of Possession
- A court order directing a sheriff or enforcement officer to physically remove a tenant and restore possession of the property to the landlord.
- Service of Process
- The formal procedure for delivering legal documents to a party — typically by personal delivery, certified mail, or posting — in a manner recognized as valid by the court.
- Statutory Notice Period
- The minimum number of days a landlord must give a tenant before taking legal action, as prescribed by state, provincial, or national law.
- Lease Default
- A tenant's failure to fulfill one or more obligations under the lease agreement, such as paying rent, maintaining the property, or complying with use restrictions.
- Constructive Eviction
- A situation where a landlord's actions or omissions make the property uninhabitable, effectively forcing the tenant to vacate — which can be raised as a defense against an eviction notice.
- Retaliatory Eviction
- An eviction initiated in response to a tenant exercising a legal right — such as reporting a housing code violation — which is prohibited in most jurisdictions and constitutes an affirmative defense.