A repeated or ongoing (not one-time) trespass (unlawful entry or possession), especially onto real property. For example, building a road or structure that extends onto a neighbor's property, or piling up rocks or garbage there, would be a continuing trespass.
[n] - trespass that is not transient or intermittent but continues as long as the offending object remains
noun trespass that is not transient or intermittent but continues as long as the offending object remains; `dumping his garbage on my land was a case of continuing trespass`