diff --git a/services/web/client/source/class/osparc/component/export/Permissions.js b/services/web/client/source/class/osparc/component/export/Permissions.js
index 90bda71e574..4d8f71b9733 100644
--- a/services/web/client/source/class/osparc/component/export/Permissions.js
+++ b/services/web/client/source/class/osparc/component/export/Permissions.js
@@ -33,7 +33,7 @@ qx.Class.define("osparc.component.export.Permissions", {
   construct: function(studyData) {
     this.base(arguments);
 
-    this.__studyData = osparc.utils.Utils.deepCloneObject(studyData);
+    this.__studyData = osparc.data.model.Study.deepCloneStudyObject(studyData);
 
     this._setLayout(new qx.ui.layout.VBox(15));
 
diff --git a/services/web/client/source/class/osparc/component/export/SaveAsTemplate.js b/services/web/client/source/class/osparc/component/export/SaveAsTemplate.js
index eca7b4a5728..caba14bedbe 100644
--- a/services/web/client/source/class/osparc/component/export/SaveAsTemplate.js
+++ b/services/web/client/source/class/osparc/component/export/SaveAsTemplate.js
@@ -34,7 +34,7 @@ qx.Class.define("osparc.component.export.SaveAsTemplate", {
     this._setLayout(new qx.ui.layout.VBox(5));
 
     this.__studyId = studyId;
-    this.__formData = osparc.utils.Utils.deepCloneObject(studyData);
+    this.__formData = osparc.data.model.Study.deepCloneStudyObject(studyData);
 
     this.__buildLayout();
 
diff --git a/services/web/client/source/class/osparc/dashboard/ExploreBrowser.js b/services/web/client/source/class/osparc/dashboard/ExploreBrowser.js
index 9936c124f3d..7d12f10d405 100644
--- a/services/web/client/source/class/osparc/dashboard/ExploreBrowser.js
+++ b/services/web/client/source/class/osparc/dashboard/ExploreBrowser.js
@@ -130,6 +130,8 @@ qx.Class.define("osparc.dashboard.ExploreBrowser", {
     __initResources: function() {
       this.__showLoadingPage(this.tr("Discovering Templates and Apps"));
 
+      this.__templateStudies = [];
+      this.__services = [];
       const servicesTags = this.__getTags();
       const store = osparc.store.Store.getInstance();
       const servicesPromise = store.getServicesDAGs(true);
diff --git a/services/web/client/source/class/osparc/dashboard/StudyBrowser.js b/services/web/client/source/class/osparc/dashboard/StudyBrowser.js
index 74ecb71ae59..ef30b74ec18 100644
--- a/services/web/client/source/class/osparc/dashboard/StudyBrowser.js
+++ b/services/web/client/source/class/osparc/dashboard/StudyBrowser.js
@@ -90,13 +90,8 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
       }
     },
 
-    __reloadUserStudy: function(studyId) {
-      const params = {
-        url: {
-          projectId: studyId
-        }
-      };
-      osparc.data.Resources.getOne("studies", params)
+    __reloadUserStudy: function(studyId, reload) {
+      osparc.store.Store.getInstance().getStudyWState(studyId, reload)
         .then(studyData => {
           this.__resetStudyItem(studyData);
         })
@@ -111,7 +106,7 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
      */
     reloadUserStudies: function() {
       if (osparc.data.Permissions.getInstance().canDo("studies.user.read")) {
-        osparc.data.Resources.get("studies")
+        osparc.store.Store.getInstance().getStudiesWState()
           .then(studies => {
             this.__resetStudyList(studies);
             this.resetSelection();
@@ -127,14 +122,15 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
     __initResources: function() {
       this.__showLoadingPage(this.tr("Loading Studies"));
 
-      const servicesTags = this.__getTags();
+      this.__userStudies = [];
+      const resourcePromises = [];
       const store = osparc.store.Store.getInstance();
-      const servicesPromise = store.getServicesDAGs(true);
-
-      Promise.all([
-        servicesTags,
-        servicesPromise
-      ])
+      resourcePromises.push(store.getVisibleMembers());
+      resourcePromises.push(store.getServicesDAGs(true));
+      if (osparc.data.Permissions.getInstance().canDo("study.tag")) {
+        resourcePromises.push(osparc.data.Resources.get("tags"));
+      }
+      Promise.all(resourcePromises)
         .then(() => {
           this.__hideLoadingPage();
           this.__createStudiesLayout();
@@ -144,7 +140,8 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
           if (loadStudyId) {
             this.__getStudyAndStart(loadStudyId);
           }
-        });
+        })
+        .catch(console.error);
     },
 
     __reloadResources: function() {
@@ -171,18 +168,6 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
         });
     },
 
-    __getTags: function() {
-      return new Promise((resolve, reject) => {
-        if (osparc.data.Permissions.getInstance().canDo("study.tag")) {
-          osparc.data.Resources.get("tags")
-            .catch(console.error)
-            .finally(() => resolve());
-        } else {
-          resolve();
-        }
-      });
-    },
-
     __createStudiesLayout: function() {
       const studyFilters = this.__studyFilters = new osparc.component.filter.group.StudyFilterGroup("studyBrowser").set({
         paddingTop: 5
@@ -244,12 +229,7 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
     },
 
     __getStudyAndStart: function(loadStudyId) {
-      const params = {
-        url: {
-          projectId: loadStudyId
-        }
-      };
-      osparc.data.Resources.getOne("studies", params)
+      osparc.store.Store.getStudyWState(loadStudyId, true)
         .then(studyData => {
           this.__startStudy(studyData);
         })
@@ -282,6 +262,23 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
     },
 
     __attachEventHandlers: function() {
+      // Listen to socket
+      const socket = osparc.wrapper.WebSocket.getInstance();
+      // callback for incoming logs
+      const slotName = "projectStateUpdated";
+      socket.removeSlot(slotName);
+      socket.on(slotName, function(jsonString) {
+        const data = JSON.parse(jsonString);
+        if (data) {
+          const studyId = data["project_uuid"];
+          const state = ("data" in data) ? data["data"] : {};
+          const studyItem = this.__userStudyContainer.getChildren().find(card => (card instanceof osparc.dashboard.StudyBrowserButtonItem) && (card.getUuid() === studyId));
+          if (studyItem) {
+            studyItem.setState(state);
+          }
+        }
+      }, this);
+
       const textfield = this.__studyFilters.getTextFilter().getChildControl("textfield");
       textfield.addListener("appear", () => {
         textfield.focus();
@@ -347,10 +344,12 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
     __resetStudyItem: function(studyData) {
       const userStudyList = this.__userStudies;
       const index = userStudyList.findIndex(userStudy => userStudy["uuid"] === studyData["uuid"]);
-      if (index !== -1) {
-        this.__userStudies[index] = studyData;
-        this.__resetStudyList(userStudyList);
+      if (index === -1) {
+        userStudyList.push(studyData);
+      } else {
+        userStudyList[index] = studyData;
       }
+      this.__resetStudyList(userStudyList);
     },
 
     __resetStudyList: function(userStudyList) {
@@ -400,13 +399,16 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
         accessRights: study.accessRights ? study.accessRights : null,
         lastChangeDate: study.lastChangeDate ? new Date(study.lastChangeDate) : null,
         icon: study.thumbnail || defaultThumbnail,
+        state: study.state ? study.state : {},
         tags
       });
       const menu = this.__getStudyItemMenu(item, study);
       item.setMenu(menu);
       item.subscribeToFilterGroup("studyBrowser");
       item.addListener("execute", () => {
-        this.__itemClicked(item);
+        if (!item.isLocked()) {
+          this.__itemClicked(item);
+        }
       }, this);
 
       return item;
@@ -469,7 +471,7 @@ qx.Class.define("osparc.dashboard.StudyBrowser", {
         const permissionsView = new osparc.component.export.Permissions(studyData);
         permissionsView.addListener("updateStudy", e => {
           const studyId = e.getData();
-          this.__reloadUserStudy(studyId);
+          this.__reloadUserStudy(studyId, true);
         }, this);
         const window = permissionsView.createWindow();
         permissionsView.addListener("finished", e => {
diff --git a/services/web/client/source/class/osparc/dashboard/StudyBrowserButtonItem.js b/services/web/client/source/class/osparc/dashboard/StudyBrowserButtonItem.js
index b55950ad807..1901cabee08 100644
--- a/services/web/client/source/class/osparc/dashboard/StudyBrowserButtonItem.js
+++ b/services/web/client/source/class/osparc/dashboard/StudyBrowserButtonItem.js
@@ -38,15 +38,7 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
       qx.locale.Date.getTimeFormat("short")
     );
 
-    this.addListener("changeValue", e => {
-      const val = this.getValue();
-
-      const tick = this.getChildControl("tick-selected");
-      tick.setVisibility(val ? "visible" : "excluded");
-
-      const untick = this.getChildControl("tick-unselected");
-      untick.setVisibility(val ? "excluded" : "visible");
-    });
+    this.addListener("changeValue", this.__itemSelected, this);
   },
 
   properties: {
@@ -101,11 +93,29 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
     tags: {
       check: "Array",
       apply: "_applyTags"
+    },
+
+    state: {
+      check: "Object",
+      nullable: false,
+      apply: "_applyState"
+    },
+
+    locked: {
+      check: "Boolean",
+      init: false,
+      nullable: false,
+      apply: "_applyLocked"
+    },
+
+    lockedBy: {
+      check: "String",
+      nullable: true,
+      apply: "_applyLockedBy"
     }
   },
 
   statics: {
-    MENU_BTN_Z: 20,
     MENU_BTN_WIDTH: 25,
     SHARED_USER: "@FontAwesome5Solid/user/14",
     SHARED_ORGS: "@FontAwesome5Solid/users/14",
@@ -121,8 +131,40 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
     },
 
     multiSelection: function(on) {
+      if (on) {
+        const menuButton = this.getChildControl("menu-button");
+        menuButton.setVisibility("excluded");
+        this.__itemSelected();
+      } else {
+        this.__showMenuOnly();
+      }
+    },
+
+    __itemSelected: function() {
+      if (this.isResourceType("study")) {
+        const selected = this.getValue();
+
+        if (this.isLocked() && selected) {
+          this.setValue(false);
+        }
+
+        const tick = this.getChildControl("tick-selected");
+        tick.setVisibility(selected ? "visible" : "excluded");
+
+        const untick = this.getChildControl("tick-unselected");
+        untick.setVisibility(selected ? "excluded" : "visible");
+      } else {
+        this.__showMenuOnly();
+      }
+    },
+
+    __showMenuOnly: function() {
       const menuButton = this.getChildControl("menu-button");
-      menuButton.setVisibility(on ? "excluded" : "visible");
+      menuButton.setVisibility("visible");
+      const tick = this.getChildControl("tick-selected");
+      tick.setVisibility("excluded");
+      const untick = this.getChildControl("tick-unselected");
+      untick.setVisibility("excluded");
     },
 
     // overridden
@@ -134,7 +176,6 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
             width: this.self().MENU_BTN_WIDTH,
             height: this.self().MENU_BTN_WIDTH,
             icon: "@FontAwesome5Solid/ellipsis-v/14",
-            zIndex: this.self().MENU_BTN_Z,
             focusable: false
           });
           osparc.utils.Utils.setIdToWidget(control, "studyItemMenuButton");
@@ -144,23 +185,28 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
           });
           break;
         case "tick-unselected":
-          control = new qx.ui.basic.Image("@FontAwesome5Solid/circle/16").set({
-            zIndex: this.self().MENU_BTN_Z -1
-          });
+          control = new qx.ui.basic.Image("@FontAwesome5Solid/circle/16");
           this._add(control, {
             top: 4,
             right: 4
           });
           break;
         case "tick-selected":
-          control = new qx.ui.basic.Image("@FontAwesome5Solid/check-circle/16").set({
-            zIndex: this.self().MENU_BTN_Z -1
-          });
+          control = new qx.ui.basic.Image("@FontAwesome5Solid/check-circle/16");
           this._add(control, {
             top: 4,
             right: 4
           });
           break;
+        case "lock":
+          control = new osparc.component.widget.Thumbnail("@FontAwesome5Solid/lock/70");
+          this._add(control, {
+            top: 0,
+            right: 0,
+            bottom: 0,
+            left: 0
+          });
+          break;
       }
 
       return control || this.base(arguments, id);
@@ -230,20 +276,18 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
         const store = osparc.store.Store.getInstance();
         Promise.all([
           store.getGroupsAll(),
-          store.getGroupsMe(),
           store.getVisibleMembers(),
           store.getGroupsOrganizations()
         ])
           .then(values => {
             const all = values[0];
-            const me = values[1];
             const orgMembs = [];
-            const orgMembers = values[2];
+            const orgMembers = values[1];
             for (const gid of Object.keys(orgMembers)) {
               orgMembs.push(orgMembers[gid]);
             }
-            const orgs = values.length === 4 ? values[3] : [];
-            const groups = [[me], orgMembs, orgs, [all]];
+            const orgs = values.length === 3 ? values[2] : [];
+            const groups = [orgMembs, orgs, [all]];
             this.__setSharedIcon(image, value, groups);
           });
       }
@@ -272,13 +316,12 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
         }
         switch (i) {
           case 0:
-          case 1:
             image.setSource(this.self().SHARED_USER);
             break;
-          case 2:
+          case 1:
             image.setSource(this.self().SHARED_ORGS);
             break;
-          case 3:
+          case 2:
             image.setSource(this.self().SHARED_ALL);
             break;
         }
@@ -289,14 +332,19 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
         return;
       }
 
-      let hintText = "";
+      const sharedGrpLabels = [];
+      const maxItems = 6;
       for (let i=0; i<sharedGrps.length; i++) {
-        if (i > 6) {
-          hintText += "...";
+        if (i > maxItems) {
+          sharedGrpLabels.push("...");
           break;
         }
-        hintText += (sharedGrps[i]["label"] + "<br>");
+        const sharedGrpLabel = sharedGrps[i]["label"];
+        if (!sharedGrpLabels.includes(sharedGrpLabel)) {
+          sharedGrpLabels.push(sharedGrpLabel);
+        }
       }
+      const hintText = sharedGrpLabels.join("<br>");
       const hint = new osparc.ui.hint.Hint(image, hintText);
       image.addListener("mouseover", () => hint.show(), this);
       image.addListener("mouseout", () => hint.exclude(), this);
@@ -314,6 +362,49 @@ qx.Class.define("osparc.dashboard.StudyBrowserButtonItem", {
       }
     },
 
+    _applyState: function(state) {
+      const locked = ("locked" in state) ? state["locked"]["value"] : false;
+      if (locked) {
+        this.setLocked(state["locked"]["value"]);
+        const owner = state["locked"]["owner"];
+        this.setLockedBy(osparc.utils.Utils.firstsUp(owner["first_name"], owner["last_name"]));
+      } else {
+        this.setLocked(false);
+        this.setLockedBy(null);
+      }
+    },
+
+    _applyLocked: function(locked) {
+      this.set({
+        cursor: locked ? "not-allowed" : "pointer"
+      });
+
+      this._getChildren().forEach(item => {
+        item.setOpacity(locked ? 0.4 : 1.0);
+      });
+
+      const lock = this.getChildControl("lock");
+      lock.setOpacity(1.0);
+      lock.setVisibility(locked ? "visible" : "excluded");
+
+      [
+        "tick-selected",
+        "tick-unselected",
+        "menu-button"
+      ].forEach(childName => {
+        const child = this.getChildControl(childName);
+        child.set({
+          enabled: !locked
+        });
+      });
+    },
+
+    _applyLockedBy: function(lockedBy) {
+      this.set({
+        toolTipText: lockedBy ? (lockedBy + this.tr(" is using it")) : null
+      });
+    },
+
     _shouldApplyFilter: function(data) {
       if (data.text) {
         const checks = [
diff --git a/services/web/client/source/class/osparc/data/Resources.js b/services/web/client/source/class/osparc/data/Resources.js
index d1d4006f00a..d33faec0161 100644
--- a/services/web/client/source/class/osparc/data/Resources.js
+++ b/services/web/client/source/class/osparc/data/Resources.js
@@ -93,6 +93,11 @@ qx.Class.define("osparc.data.Resources", {
             method: "POST",
             url: statics.API + "/projects/{projectId}:close"
           },
+          state: {
+            useCache: false,
+            method: "GET",
+            url: statics.API + "/projects/{projectId}/state"
+          },
           post: {
             method: "POST",
             url: statics.API + "/projects"
@@ -546,14 +551,20 @@ qx.Class.define("osparc.data.Resources", {
 
         res.addListenerOnce(endpoint + "Error", e => {
           let message = null;
+          let status = null;
           if (e.getData().error) {
             const logs = e.getData().error.logs || null;
             if (logs && logs.length) {
               message = logs[0].message;
             }
+            status = e.getData().error.status;
           }
           res.dispose();
-          reject(Error(message ? message : `Error while fetching ${resource}`));
+          const err = Error(message ? message : `Error while fetching ${resource}`);
+          if (status) {
+            err.status = status;
+          }
+          reject(err);
         });
 
         res[endpoint](params.url || null, params.data || null);
diff --git a/services/web/client/source/class/osparc/data/model/Study.js b/services/web/client/source/class/osparc/data/model/Study.js
index 378667cc960..3c1770f3cff 100644
--- a/services/web/client/source/class/osparc/data/model/Study.js
+++ b/services/web/client/source/class/osparc/data/model/Study.js
@@ -141,6 +141,7 @@ qx.Class.define("osparc.data.model.Study", {
         tags: []
       };
     },
+
     updateStudy: function(params) {
       return osparc.data.Resources.fetch("studies", "put", {
         url: {
@@ -151,6 +152,22 @@ qx.Class.define("osparc.data.model.Study", {
         qx.event.message.Bus.getInstance().dispatchByName("updateStudy", data);
         return data;
       });
+    },
+
+    getProperties: function() {
+      return Object.keys(qx.util.PropertyUtil.getProperties(osparc.data.model.Study));
+    },
+
+    // deep clones object with study-only properties
+    deepCloneStudyObject: function(src) {
+      const studyObject = osparc.utils.Utils.deepCloneObject(src);
+      const studyPropKeys = osparc.data.model.Study.getProperties();
+      Object.keys(studyObject).forEach(key => {
+        if (!studyPropKeys.includes(key)) {
+          delete studyObject[key];
+        }
+      });
+      return studyObject;
     }
   },
 
@@ -166,9 +183,7 @@ qx.Class.define("osparc.data.model.Study", {
         },
         data: osparc.utils.Utils.getClientSessionID()
       };
-      osparc.data.Resources.fetch("studies", "open", params)
-        .then(data => this.getWorkbench().initWorkbench())
-        .catch(err => console.error(err));
+      return osparc.data.Resources.fetch("studies", "open", params);
     },
 
     closeStudy: function() {
@@ -190,14 +205,14 @@ qx.Class.define("osparc.data.model.Study", {
 
     serializeStudy: function() {
       let jsonObject = {};
-      const properties = this.constructor.$$properties;
-      for (let key in properties) {
+      const propertyKeys = this.self().getProperties();
+      propertyKeys.forEach(key => {
         const value = key === "workbench" ? this.getWorkbench().serializeWorkbench() : this.get(key);
         if (value !== null) {
           // only put the value in the payload if there is a value
           jsonObject[key] = value;
         }
-      }
+      });
       return jsonObject;
     },
 
diff --git a/services/web/client/source/class/osparc/desktop/MainPage.js b/services/web/client/source/class/osparc/desktop/MainPage.js
index 52e975202db..27097492545 100644
--- a/services/web/client/source/class/osparc/desktop/MainPage.js
+++ b/services/web/client/source/class/osparc/desktop/MainPage.js
@@ -155,6 +155,9 @@ qx.Class.define("osparc.desktop.MainPage", {
         const elements = ev.getData();
         this.__navBar.setPathButtons(elements);
       }, this);
+      this.__studyEditor.addListener("studyIsLocked", () => {
+        this.__showDashboard();
+      }, this);
 
       this.__studyEditor.addListener("studySaved", ev => {
         const wasSaved = ev.getData();
diff --git a/services/web/client/source/class/osparc/desktop/StudyEditor.js b/services/web/client/source/class/osparc/desktop/StudyEditor.js
index 6cc7b3f3580..650678073cd 100644
--- a/services/web/client/source/class/osparc/desktop/StudyEditor.js
+++ b/services/web/client/source/class/osparc/desktop/StudyEditor.js
@@ -49,6 +49,7 @@ qx.Class.define("osparc.desktop.StudyEditor", {
 
   events: {
     "changeMainViewCaption": "qx.event.type.Data",
+    "studyIsLocked": "qx.event.type.Event",
     "studySaved": "qx.event.type.Data"
   },
 
@@ -69,12 +70,23 @@ qx.Class.define("osparc.desktop.StudyEditor", {
     _applyStudy: function(study) {
       osparc.store.Store.getInstance().setCurrentStudy(study);
       study.buildWorkbench();
-      study.openStudy();
+      study.openStudy()
+        .then(() => {
+          study.getWorkbench().initWorkbench();
+        })
+        .catch(err => {
+          if ("status" in err && err["status"] == 423) { // Locked
+            const msg = study.getName() + this.tr(" is already opened");
+            osparc.component.message.FlashMessenger.getInstance().logAs(msg, "ERROR");
+            this.fireEvent("studyIsLocked");
+          } else {
+            console.error(err);
+          }
+        });
       this.__initViews();
       this.__connectEvents();
       this.__attachSocketEventHandlers();
       this.__startAutoSaveTimer();
-
       this.__openOneNode();
     },
 
diff --git a/services/web/client/source/class/osparc/store/Store.js b/services/web/client/source/class/osparc/store/Store.js
index e0ee27fddf8..a5f0bf8ac1b 100644
--- a/services/web/client/source/class/osparc/store/Store.js
+++ b/services/web/client/source/class/osparc/store/Store.js
@@ -197,6 +197,87 @@ qx.Class.define("osparc.store.Store", {
       }
     },
 
+    getStudyWState: function(studyId, reload = false) {
+      return new Promise((resolve, reject) => {
+        const studiesWStateCache = this.getStudies();
+        const idx = studiesWStateCache.findIndex(studyWStateCache => studyWStateCache["uuid"] === studyId);
+        if (!reload && idx !== -1) {
+          resolve(studiesWStateCache[idx]);
+          return;
+        }
+        const params = {
+          url: {
+            "projectId": studyId
+          }
+        };
+        osparc.data.Resources.getOne("studies", params)
+          .then(study => {
+            osparc.data.Resources.fetch("studies", "state", params)
+              .then(state => {
+                study["locked"] = state["locked"];
+                if (idx === -1) {
+                  studiesWStateCache.push(study);
+                } else {
+                  studiesWStateCache[idx] = study;
+                }
+                resolve(study);
+              })
+              .catch(er => {
+                console.error(er);
+                reject();
+              });
+          })
+          .catch(err => {
+            console.error(err);
+            reject();
+          });
+      });
+    },
+
+    /**
+     * This function provides the list of studies with their state
+     * @param {Boolean} reload ?
+     */
+    getStudiesWState: function(reload = false) {
+      return new Promise((resolve, reject) => {
+        const studiesWStateCache = this.getStudies();
+        if (!reload && studiesWStateCache.length) {
+          resolve(studiesWStateCache);
+          return;
+        }
+        studiesWStateCache.length = 0;
+        osparc.data.Resources.get("studies")
+          .then(studies => {
+            const studiesWStatePromises = [];
+            studies.forEach(study => {
+              const params = {
+                url: {
+                  "projectId": study.uuid
+                }
+              };
+              studiesWStatePromises.push(osparc.data.Resources.fetch("studies", "state", params));
+            });
+            Promise.all(studiesWStatePromises)
+              .then(states => {
+                states.forEach((state, idx) => {
+                  const study = studies[idx];
+                  study["locked"] = state["locked"];
+                  studiesWStateCache.push(study);
+                });
+                resolve(studiesWStateCache);
+              })
+              .catch(er => {
+                console.error(er);
+                reject();
+              });
+          })
+          .catch(err => {
+            console.error(err);
+            reject();
+          });
+      });
+    },
+
     /**
      * This functions does the needed processing in order to have a working list of services and DAGs.
      * @param {Boolean} reload ?
@@ -269,27 +350,24 @@ qx.Class.define("osparc.store.Store", {
       });
     },
 
-    getVisibleMembers: function() {
-      const reachableMembers = this.getReachableMembers();
+    getVisibleMembers: function(reload = false) {
       return new Promise((resolve, reject) => {
+        const reachableMembers = this.getReachableMembers();
+        if (!reload && Object.keys(reachableMembers).length) {
+          resolve(reachableMembers);
+          return;
+        }
         osparc.data.Resources.get("organizations")
           .then(resp => {
             const orgMembersPromises = [];
             const orgs = resp["organizations"];
             orgs.forEach(org => {
-              orgMembersPromises.push(
-                new Promise((resolve2, reject2) => {
-                  const params = {
-                    url: {
-                      "gid": org["gid"]
-                    }
-                  };
-                  osparc.data.Resources.get("organizationMembers", params)
-                    .then(orgMembers => {
-                      resolve2(orgMembers);
-                    });
-                })
-              );
+              const params = {
+                url: {
+                  "gid": org["gid"]
+                }
+              };
+              orgMembersPromises.push(osparc.data.Resources.get("organizationMembers", params));
             });
             Promise.all(orgMembersPromises)
               .then(orgMemberss => {