diff --git a/atrium_casetracker/atrium_casetracker.module b/atrium_casetracker/atrium_casetracker.module
index e8731da..ef861fa 100644
--- a/atrium_casetracker/atrium_casetracker.module
+++ b/atrium_casetracker/atrium_casetracker.module
@@ -276,6 +276,7 @@ function atrium_casetracker_get_inactive_states() {
   if (!isset($inactive_states)) {
     $inactive_states = array();
     $search = array('closed', 'defer', 'duplicate', 'postponed', 'fixed', 'resolved');
+    drupal_alter('atrium_casetracker_inactive_states', $search);
     $states = casetracker_case_state_load(NULL, 'status');
     foreach ($states as $status_id => $state) {
       $state = strtolower($state);
diff --git a/atrium_casetracker/atrium_casetracker.views.inc b/atrium_casetracker/atrium_casetracker.views.inc
index b1f7e7c..73e35b1 100644
--- a/atrium_casetracker/atrium_casetracker.views.inc
+++ b/atrium_casetracker/atrium_casetracker.views.inc
@@ -15,6 +15,9 @@ function atrium_casetracker_views_handlers() {
       'atrium_casetracker_handler_filter_status_closed' => array(
         'parent' => 'views_handler_filter_boolean_operator',
       ),
+      'atrium_casetracker_handler_sort_status_closed' => array(
+        'parent' => 'views_handler_sort',
+      ),
     ),
   );
 }
@@ -34,6 +37,17 @@ function atrium_casetracker_views_data_alter(&$data) {
       ),
     );
   }
+  if (isset($data['casetracker_case_states'])) {
+    $data['casetracker_case_states']['case_status_closed'] = array(
+      'title' => t('Closed Case Status'),
+      'real field' => 'csid',
+      'sort' => array(
+        'field' => 'csid',
+        'handler' => 'atrium_casetracker_handler_sort_status_closed',
+        'help' => t('Sort by Case Active/Inactive status.'),
+      ),
+    );
+  }
   if (isset($data['casetracker_case']['case_priority_id']['field']['handler'])) {
     $data['casetracker_case']['case_priority_id']['field']['handler'] = 'atrium_casetracker_handler_field_priority_name';
   }
diff --git a/atrium_casetracker/includes/atrium_casetracker_handler_sort_case_status_closed.inc b/atrium_casetracker/includes/atrium_casetracker_handler_sort_case_status_closed.inc
new file mode 100644
index 0000000..7813ce5
--- /dev/null
+++ b/atrium_casetracker/includes/atrium_casetracker_handler_sort_case_status_closed.inc
@@ -0,0 +1,25 @@
+<?php
+// $Id$
+
+/**
+ * Defines a sort handler for the Atrium Casetracker inactive case status.
+ */
+class atrium_casetracker_handler_sort_status_closed extends views_handler_sort {
+  /**
+   * Override of views_handler_sort::query().
+   */
+  function query() {
+    $pattern = '(' . db_escape_string(implode('|', atrium_casetracker_get_inactive_states())) . ')';
+    global $db_type;
+    switch ($db_type) {
+      case 'mysql':
+      case 'mysqli':
+        $formula = "{$this->table}.{$this->real_field} REGEXP '$pattern'";
+        break;
+    }
+    if (!empty($formula)) {
+      $this->ensure_my_table();
+      $this->query->add_orderby(NULL, $formula, $this->options['order'], $this->query->base_field . '_' . $this->field);
+    }
+  }
+}