diff --git a/config/alfresco/templates/webscripts/org/alfresco/repository/workflow/task.lib.ftl b/config/alfresco/templates/webscripts/org/alfresco/repository/workflow/task.lib.ftl
index 1a8997f844..6760864ded 100644
--- a/config/alfresco/templates/webscripts/org/alfresco/repository/workflow/task.lib.ftl
+++ b/config/alfresco/templates/webscripts/org/alfresco/repository/workflow/task.lib.ftl
@@ -24,6 +24,28 @@
          <@propertiesJSON properties=task.properties />
          <#if detailed>,
          "path": "${task.path}",
+         "workflowInstance": 
+         {
+            "id": "${task.workflowInstance.id}",
+            "url": "${task.workflowInstance.url}",
+            "name": "${task.workflowInstance.name}",
+            "title": "${task.workflowInstance.title}",
+            "description": "${task.workflowInstance.description}",
+            "isActive": ${task.workflowInstance.isActive?string},
+            "startDate": "${task.workflowInstance.startDate}",
+            "endDate": <#if task.workflowInstance.endDate??>"${task.workflowInstance.endDate}"<#else>null</#if>,
+            "initiator": 
+            <#if task.workflowInstance.initiator??>
+            {
+               "userName": "${task.workflowInstance.initiator.userName}",
+               "firstName": "${task.workflowInstance.initiator.firstName}",
+               "lastName": "${task.workflowInstance.initiator.lastName}"
+            },
+            <#else>
+            null,
+            </#if>
+            "definitionUrl": "${task.workflowInstance.definitionUrl}"
+         },
          "definition":
          {
             "id": "${task.definition.id}",
diff --git a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilder.java b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilder.java
index 7b0213d783..e666ae4812 100644
--- a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilder.java
+++ b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilder.java
@@ -38,6 +38,7 @@ import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
 import org.alfresco.service.cmr.security.PersonService;
 import org.alfresco.service.cmr.workflow.WorkflowDefinition;
+import org.alfresco.service.cmr.workflow.WorkflowInstance;
 import org.alfresco.service.cmr.workflow.WorkflowNode;
 import org.alfresco.service.cmr.workflow.WorkflowPath;
 import org.alfresco.service.cmr.workflow.WorkflowTask;
@@ -46,6 +47,7 @@ import org.alfresco.service.cmr.workflow.WorkflowTransition;
 import org.alfresco.service.namespace.NamespaceException;
 import org.alfresco.service.namespace.NamespaceService;
 import org.alfresco.service.namespace.QName;
+import org.springframework.extensions.surf.util.ISO8601DateFormat;
 
 /**
  * @author Nick Smith
@@ -75,6 +77,23 @@ public class WorkflowModelBuilder
     public static final String TASK_DEFINITION_TYPE = "type";
     public static final String TASK_DEFINITION_NODE = "node";
 
+    public static final String TASK_WORKFLOW_INSTANCE = "workflowInstance";
+    
+    public static final String TASK_WORKFLOW_INSTANCE_ID = "id";
+    public static final String TASK_WORKFLOW_INSTANCE_URL = "url";
+    public static final String TASK_WORKFLOW_INSTANCE_NAME = "name";
+    public static final String TASK_WORKFLOW_INSTANCE_TITLE = "title";
+    public static final String TASK_WORKFLOW_INSTANCE_DESCRIPTION = "description";
+    public static final String TASK_WORKFLOW_INSTANCE_IS_ACTIVE = "isActive";
+    public static final String TASK_WORKFLOW_INSTANCE_START_DATE = "startDate";
+    public static final String TASK_WORKFLOW_INSTANCE_END_DATE = "endDate";
+    public static final String TASK_WORKFLOW_INSTANCE_INITIATOR = "initiator";
+    public static final String TASK_WORKFLOW_INSTANCE_DEFINITION_URL = "definitionUrl";
+
+    public static final String TASK_WORKFLOW_INSTANCE_INITIATOR_USERNAME = "userName";
+    public static final String TASK_WORKFLOW_INSTANCE_INITIATOR_FIRSTNAME = "firstName";
+    public static final String TASK_WORKFLOW_INSTANCE_INITIATOR_LASTNAME = "lastName";
+    
     public static final String TYPE_DEFINITION_NAME = "name";
     public static final String TYPE_DEFINITION_TITLE = "title";
     public static final String TYPE_DEFINITION_DESCRIPTION = "description";
@@ -147,6 +166,9 @@ public class WorkflowModelBuilder
 
         model.put(TASK_PATH, getUrl(workflowTask, workflowTask.path));
 
+        // workflow instance part
+        model.put(TASK_WORKFLOW_INSTANCE, buildWorkflowInstance(workflowTask.path.instance));
+
         // definition part
         model.put(TASK_DEFINITION, buildTaskDefinition(workflowTask.definition, workflowTask));
 
@@ -265,6 +287,48 @@ public class WorkflowModelBuilder
         return model;
     }
 
+    private Map<String, Object> buildWorkflowInstance(WorkflowInstance workflowInstance)
+    {
+        Map<String, Object> model = new HashMap<String, Object>();
+
+        model.put(TASK_WORKFLOW_INSTANCE_ID, workflowInstance.id);
+        model.put(TASK_WORKFLOW_INSTANCE_URL, getUrl(workflowInstance));
+        model.put(TASK_WORKFLOW_INSTANCE_NAME, workflowInstance.definition.name);
+        model.put(TASK_WORKFLOW_INSTANCE_TITLE, workflowInstance.definition.title);
+        model.put(TASK_WORKFLOW_INSTANCE_DESCRIPTION, workflowInstance.definition.description);
+        model.put(TASK_WORKFLOW_INSTANCE_IS_ACTIVE, workflowInstance.active);
+
+        if (workflowInstance.startDate == null)
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_START_DATE, workflowInstance.startDate);
+        }
+        else
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_START_DATE, ISO8601DateFormat.format(workflowInstance.startDate));
+        }
+
+        if (workflowInstance.endDate == null)
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_END_DATE, workflowInstance.endDate);
+        }
+        else
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_END_DATE, ISO8601DateFormat.format(workflowInstance.endDate));
+        }
+
+        if (workflowInstance.initiator == null)
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_INITIATOR, null);
+        }
+        else
+        {
+            model.put(TASK_WORKFLOW_INSTANCE_INITIATOR, getPersonModel(nodeService.getProperty(workflowInstance.initiator, ContentModel.PROP_USERNAME)));
+        }
+        model.put(TASK_WORKFLOW_INSTANCE_DEFINITION_URL, getUrl(workflowInstance.definition));
+
+        return model;
+    }
+    
     private Map<String, Object> buildTaskDefinition(WorkflowTaskDefinition workflowTaskDefinition, WorkflowTask workflowTask)
     {
         Map<String, Object> model = new HashMap<String, Object>();
@@ -354,4 +418,9 @@ public class WorkflowModelBuilder
         return getUrl(task) + "/paths/" + path.id;
     }
 
+    private String getUrl(WorkflowInstance workflowInstance)
+    {
+        return "api/workflow-instances/" + workflowInstance.id;
+    }
+
 }
diff --git a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilderTest.java b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilderTest.java
index 464e84c8ff..36d33d64da 100644
--- a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilderTest.java
+++ b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowModelBuilderTest.java
@@ -39,6 +39,7 @@ import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.repository.StoreRef;
 import org.alfresco.service.cmr.security.PersonService;
 import org.alfresco.service.cmr.workflow.WorkflowDefinition;
+import org.alfresco.service.cmr.workflow.WorkflowInstance;
 import org.alfresco.service.cmr.workflow.WorkflowNode;
 import org.alfresco.service.cmr.workflow.WorkflowPath;
 import org.alfresco.service.cmr.workflow.WorkflowTask;
@@ -151,6 +152,12 @@ public class WorkflowModelBuilderTest extends TestCase
 
         workflowTask.path = new WorkflowPath();
         workflowTask.path.id = "pathId$1";
+        workflowTask.path.instance = new WorkflowInstance();
+        workflowTask.path.instance.id = "";
+        workflowTask.path.instance.active = true;
+        workflowTask.path.instance.startDate = new Date();
+        workflowTask.path.instance.definition = new WorkflowDefinition(
+                "The Id", "The Name", "1", "The Title", "The Description", null);
 
         workflowTask.definition = new WorkflowTaskDefinition();
         workflowTask.definition.id = "The Definition Id";
@@ -196,6 +203,15 @@ public class WorkflowModelBuilderTest extends TestCase
         Map<String, Object> props = (Map<String, Object>) model.get(WorkflowModelBuilder.TASK_PROPERTIES);
         assertEquals(workflowTask.properties.size(), props.size());
 
+        Map<String, Object> workflowInstance = (Map<String, Object>) model.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE);
+        
+        assertEquals(workflowTask.path.instance.id, workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_ID));
+        assertEquals(workflowTask.path.instance.definition.name, workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_NAME));
+        assertEquals(workflowTask.path.instance.definition.title, workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_TITLE));
+        assertEquals(workflowTask.path.instance.definition.description, workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_DESCRIPTION));
+        assertEquals(workflowTask.path.instance.active, workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_IS_ACTIVE));
+        assertEquals(ISO8601DateFormat.format(workflowTask.path.instance.startDate), workflowInstance.get(WorkflowModelBuilder.TASK_WORKFLOW_INSTANCE_START_DATE));        
+        
         Map<String, Object> definition = (Map<String, Object>) model.get(WorkflowModelBuilder.TASK_DEFINITION);
 
         assertEquals(workflowTask.definition.id, definition.get(WorkflowModelBuilder.TASK_DEFINITION_ID));
diff --git a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowRestApiTest.java b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowRestApiTest.java
index a5dc0ae996..038c959e74 100644
--- a/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowRestApiTest.java
+++ b/source/java/org/alfresco/repo/web/scripts/workflow/WorkflowRestApiTest.java
@@ -33,6 +33,7 @@ import org.alfresco.service.cmr.repository.NodeService;
 import org.alfresco.service.cmr.security.MutableAuthenticationService;
 import org.alfresco.service.cmr.security.PersonService;
 import org.alfresco.service.cmr.workflow.WorkflowDefinition;
+import org.alfresco.service.cmr.workflow.WorkflowInstance;
 import org.alfresco.service.cmr.workflow.WorkflowNode;
 import org.alfresco.service.cmr.workflow.WorkflowPath;
 import org.alfresco.service.cmr.workflow.WorkflowService;
@@ -167,7 +168,26 @@ public class WorkflowRestApiTest extends BaseWebScriptTest
         JSONObject properties = result.getJSONObject("properties");
 
         assertNotNull(properties);
+        
+        JSONObject instance = result.getJSONObject("workflowInstance");
+        WorkflowInstance startInstance = startTask.path.instance;
 
+        assertNotNull(instance);
+        
+        assertEquals(startInstance.id, instance.getString("id"));
+        assertTrue(instance.has("url"));
+        assertEquals(startInstance.definition.name, instance.getString("name"));
+        assertEquals(startInstance.definition.title, instance.getString("title"));
+        assertEquals(startInstance.definition.description, instance.getString("description"));
+        assertEquals(startInstance.active, instance.getBoolean("isActive"));
+        assertTrue(instance.has("startDate"));
+        
+        JSONObject initiator = instance.getJSONObject("initiator");
+        
+        assertEquals(USER1, initiator.getString("userName"));
+        assertEquals(personManager.getFirstName(USER1), initiator.getString("firstName"));
+        assertEquals(personManager.getLastName(USER1), initiator.getString("lastName"));
+        
         JSONObject definition = result.getJSONObject("definition");
         WorkflowTaskDefinition startDefinitiont = startTask.definition;