severalty

noun | \ ˈse-vrəl-tē, ˈse-və-rəl- \ | sev·er·al·ty
  1. : sole, separate, and exclusive ownership : one's own right without a joint interest in another person agrees to assign the lease, or some portion of it (in common or in severalty) to another operator —Pacific Enterprises Oil Co. v. Pacific Petroleum Corp., 614 So. 2d 409 (1993) held the estate in severalty

  1. : the quality or state of being individual, particular, or several