diff --git a/dmp-backend/notification-service/notification/src/main/java/gr/cite/notification/data/TenantScopedEntityManager.java b/dmp-backend/notification-service/notification/src/main/java/gr/cite/notification/data/TenantScopedEntityManager.java
index 4426b514b..eff2eac3e 100644
--- a/dmp-backend/notification-service/notification/src/main/java/gr/cite/notification/data/TenantScopedEntityManager.java
+++ b/dmp-backend/notification-service/notification/src/main/java/gr/cite/notification/data/TenantScopedEntityManager.java
@@ -32,7 +32,8 @@ public class TenantScopedEntityManager {
 
 	public int getBulkSize() {
 		Session session = this.entityManager.unwrap(Session.class);
-		return session.getJdbcBatchSize();
+		if (session.getJdbcBatchSize() != null) return session.getJdbcBatchSize();
+		return 0;
 	}
 
 	public void setBulkSize(int size) {
diff --git a/dmp-frontend/src/app/core/services/configuration/configuration.service.ts b/dmp-frontend/src/app/core/services/configuration/configuration.service.ts
index 02cb670fb..b9ebaae25 100644
--- a/dmp-frontend/src/app/core/services/configuration/configuration.service.ts
+++ b/dmp-frontend/src/app/core/services/configuration/configuration.service.ts
@@ -118,6 +118,11 @@ export class ConfigurationService extends BaseComponent {
 		return this._notificationServiceEnabled;
 	}
 
+	private _inAppNotificationsCountInterval: number;
+	get inAppNotificationsCountInterval(): number {
+		return this._inAppNotificationsCountInterval || 3200;
+	}
+
 	public loadConfiguration(): Promise<any> {
 		return new Promise((r, e) => {
 			// We need to exclude all interceptors here, for the initial configuration request.
@@ -178,6 +183,7 @@ export class ConfigurationService extends BaseComponent {
 			this._notificationServiceEnabled = config.notification_service.enabled;
 			this._notificationServiceAddress = config.notification_service.address;
 		}
+		this._inAppNotificationsCountInterval = config.inAppNotificationsCountInterval;
 	}
 
 }
diff --git a/dmp-frontend/src/app/core/services/inapp-notification/inapp-notification.service.ts b/dmp-frontend/src/app/core/services/inapp-notification/inapp-notification.service.ts
index 761495df3..06dab8b66 100644
--- a/dmp-frontend/src/app/core/services/inapp-notification/inapp-notification.service.ts
+++ b/dmp-frontend/src/app/core/services/inapp-notification/inapp-notification.service.ts
@@ -57,6 +57,14 @@ export class InAppNotificationService {
 				catchError((error: any) => throwError(error)));
 	}
 
+	readAll(): Observable<string> {
+		const url = `${this.apiBase}/read-all`;
+
+		return this.http
+			.post<string>(url, {}).pipe(
+				catchError((error: any) => throwError(error)));
+	}
+
 	delete(id: Guid): Observable<InAppNotification> {
 		const url = `${this.apiBase}/${id}`;
 		return this.http
diff --git a/dmp-frontend/src/app/ui/inapp-notification/inapp-notification.module.ts b/dmp-frontend/src/app/ui/inapp-notification/inapp-notification.module.ts
index 33f09eac3..7717c1225 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/inapp-notification.module.ts
+++ b/dmp-frontend/src/app/ui/inapp-notification/inapp-notification.module.ts
@@ -37,7 +37,6 @@ import { CommonFormattingModule } from '@common/formatting/common-formatting.mod
 	// ],
 	exports: [
 		InAppNotificationListingComponent,
-		InAppNotificationListingDialogComponent
 	]
 })
 export class InAppNotificationModule { }
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.html b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.html
index 1ecd1ee51..99d4eb09b 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.html
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.html
@@ -6,8 +6,12 @@
 		<span mat-line class="secondary-text">{{ inappNotification.createdAt | date : 'short'}}</span>
 		<mat-divider inset *ngIf="!last"></mat-divider>
 	</a>
-	<mat-list-item *ngIf="authService.hasPermission(authService.permissionEnum.ViewInAppNotificationPage)">
-		<a (click)="goToNotifications()">{{'APP.NAVIGATION.ALL-INAPP-NOTIFICATIONS'
+	<mat-list-item class = "mat-list-item-content" *ngIf="authService.hasPermission(authService.permissionEnum.ViewInAppNotificationPage)">
+		<a (click)="goToNotifications()">{{'NAV-BAR.INAPP-NOTIFICATIONS'
+			| translate}}</a>
+	</mat-list-item>
+	<mat-list-item class = "mat-list-item-content" *ngIf="authService.hasPermission(authService.permissionEnum.ViewInAppNotificationPage)">
+		<a (click)="readAllNotifications()">{{'NAV-BAR.READ-ALL-INAPP-NOTIFICATIONS'
 			| translate}}</a>
 	</mat-list-item>
 </mat-nav-list>
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.scss b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.scss
index 7d81257f9..7cbca544f 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.scss
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.scss
@@ -8,4 +8,8 @@
 	.secondary-text {
 		color: rgba(0, 0, 0, 0.54);
 	}
+
+	.mat-list-item-content {
+		text-align: center
+	  }
 }
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.ts b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.ts
index b95f85caa..7b51ba03a 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.ts
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing-dialog/inapp-notification-listing-dialog.component.ts
@@ -85,4 +85,12 @@ export class InAppNotificationListingDialogComponent extends BaseComponent imple
 		this.router.navigate(['/inapp-notifications']);
 		this.dialogRef.close();
 	}
+
+	readAllNotifications() {
+		this.inappNotificationService.readAll()
+		.pipe(takeUntil(this._destroyed))
+		.subscribe(
+			data => {},
+		);	
+	}
 }
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.html b/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.html
index 7221b4ad0..3d923d241 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.html
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.html
@@ -22,7 +22,7 @@
 			</mat-form-field>
 			<div class="col-md-3 d-flex justify-content-center align-items-center">
 				<mat-slide-toggle [(ngModel)]="isActive" class="toggle col-auto w-100">
-					{{'NOTIFICATION-SERVICE.INAPP-NOTIFICATION-LISTING.FILTER.SHOW-INACTIVE' | translate}}
+					{{'NOTIFICATION-SERVICE.INAPP-NOTIFICATION-LISTING.FILTER.IS-ACTIVE' | translate}}
 				</mat-slide-toggle>
 			</div>
 		</div>
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.ts b/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.ts
index 3ee0ab0a8..0418ee1cc 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.ts
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing/filters/inapp-notification-listing-filters.component.ts
@@ -60,7 +60,14 @@ export class InAppNotificationListingFiltersComponent extends BaseComponent impl
 		return this.filter.trackingState ? this.filter.trackingState : null;
 	}
 	set trackingState(value: NotificationInAppTracking[]) {
-		this.filter.trackingState = value && value.length > 0 ? value : null;
+		// this.filter.trackingState = value && value.length > 0 ? value : null;
+		if (value[0] == 0){
+			this.filter.trackingState = [NotificationInAppTracking.Stored];
+		} else if(value[0] == 1) {
+			this.filter.trackingState = [NotificationInAppTracking.Delivered];
+		} else {
+			this.filter.trackingState = null;
+		}
 		this.filterChange.emit(this.filter);
 	}
 }
diff --git a/dmp-frontend/src/app/ui/inapp-notification/listing/inapp-notification-listing.component.ts b/dmp-frontend/src/app/ui/inapp-notification/listing/inapp-notification-listing.component.ts
index 6c8503151..a5b5264c3 100644
--- a/dmp-frontend/src/app/ui/inapp-notification/listing/inapp-notification-listing.component.ts
+++ b/dmp-frontend/src/app/ui/inapp-notification/listing/inapp-notification-listing.component.ts
@@ -78,16 +78,16 @@ export class InAppNotificationListingComponent extends BaseListingComponent<InAp
 		}, {
 			prop: nameof<InAppNotification>(x => x.subject),
 			sortable: true,
-			languageName: 'INAPP-NOTIFICATION-LISTING.FIELDS.SUBJECT'
+			languageName: 'NOTIFICATION-SERVICE.INAPP-NOTIFICATION-LISTING.FIELDS.SUBJECT'
 		}, {
 			prop: nameof<InAppNotification>(x => x.trackingState),
 			sortable: true,
-			languageName: 'INAPP-NOTIFICATION-LISTING.FIELDS.TRACKING-STATE',
+			languageName: 'NOTIFICATION-SERVICE.INAPP-NOTIFICATION-LISTING.FIELDS.TRACKING-STATE',
 			pipe: this.pipeService.getPipe<NotificationInAppTrackingTypePipe>(NotificationInAppTrackingTypePipe)
 		}, {
 			prop: nameof<InAppNotification>(x => x.createdAt),
 			sortable: true,
-			languageName: 'INAPP-NOTIFICATION-LISTING.FIELDS.CREATED-AT',
+			languageName: 'NOTIFICATION-SERVICE.INAPP-NOTIFICATION-LISTING.FIELDS.CREATED-AT',
 			pipe: this.pipeService.getPipe<DataTableDateTimeFormatPipe>(DataTableDateTimeFormatPipe).withFormat('short')
 		}]);
 	}
@@ -105,6 +105,7 @@ export class InAppNotificationListingComponent extends BaseListingComponent<InAp
 	}
 
 	protected loadListing() : Observable<QueryResult<InAppNotification>> {
+		console.log(this.lookup);
 		return this.inappNotificationService.query(this.lookup);
 	}
 
diff --git a/dmp-frontend/src/app/ui/navbar/navbar.component.html b/dmp-frontend/src/app/ui/navbar/navbar.component.html
index d2023d286..4602acb15 100644
--- a/dmp-frontend/src/app/ui/navbar/navbar.component.html
+++ b/dmp-frontend/src/app/ui/navbar/navbar.component.html
@@ -32,6 +32,11 @@
 						<app-language (languageChange)="getLanguage($event)"></app-language>
 					</mat-menu>
 				</div>
+				<div class="col-auto" *ngIf="isAuthenticated() && authentication.hasPermission(authentication.permissionEnum.ViewInAppNotificationPage)">
+					<button class="col-auto" mat-icon-button matTooltip="{{'NAV-BAR.INAPP-NOTIFICATIONS' | translate}}" (click)="toggleInAppNotifications()">
+						<mat-icon [matBadge]="inAppNotificationCount" [matBadgeHidden]="inAppNotificationCount <= 0" matBadgeColor="warn">mail</mat-icon>
+					</button>
+				</div>
 
 				<!-- <app-search></app-search> -->
 
diff --git a/dmp-frontend/src/app/ui/navbar/navbar.component.ts b/dmp-frontend/src/app/ui/navbar/navbar.component.ts
index d46499f7d..5192c3085 100644
--- a/dmp-frontend/src/app/ui/navbar/navbar.component.ts
+++ b/dmp-frontend/src/app/ui/navbar/navbar.component.ts
@@ -1,6 +1,6 @@
 import { Location } from '@angular/common';
 import { Component, ElementRef, EventEmitter, OnInit, Output, ViewChild } from '@angular/core';
-import { MatDialog } from '@angular/material/dialog';
+import { MatDialog, MatDialogRef } from '@angular/material/dialog';
 import { MatMenuTrigger } from '@angular/material/menu';
 import { Router } from '@angular/router';
 import { AppRole } from '@app/core/common/enum/app-role';
@@ -16,6 +16,10 @@ import { StartNewDmpDialogComponent } from '../dmp/new/start-new-dmp-dialogue/st
 import { FaqDialogComponent } from '../faq/dialog/faq-dialog.component';
 import { UserDialogComponent } from './user-dialog/user-dialog.component';
 import { DATASETS_ROUTES, DMP_ROUTES, GENERAL_ROUTES } from '../sidebar/sidebar.component';
+import { InAppNotificationListingDialogComponent } from '../inapp-notification/listing-dialog/inapp-notification-listing-dialog.component';
+import { InAppNotificationService } from '@app/core/services/inapp-notification/inapp-notification.service';
+import { timer } from 'rxjs';
+import { ConfigurationService } from '@app/core/services/configuration/configuration.service';
 
 @Component({
 	selector: 'app-navbar',
@@ -33,18 +37,22 @@ export class NavbarComponent extends BaseComponent implements OnInit {
 	currentRoute: string;
 	selectedLanguage: string;
 	private user: User;
+	inAppNotificationDialog: MatDialogRef<InAppNotificationListingDialogComponent> = null;
+	inAppNotificationCount = 0;
 	@Output() sidebarToggled: EventEmitter<any> = new EventEmitter();
 	@ViewChild(MatMenuTrigger) trigger: MatMenuTrigger;
 
 	constructor(location: Location,
 		private element: ElementRef,
 		private router: Router,
-		private authentication: AuthService,
+		public authentication: AuthService,
 		private dialog: MatDialog,
 		private progressIndicationService: ProgressIndicationService,
 		private languageService: LanguageService,
 		private matomoService: MatomoService,
 		private sidenavService: SideNavService,
+		private inappNotificationService: InAppNotificationService,
+		private configurationService: ConfigurationService
 	) {
 		super();
 		this.location = location;
@@ -75,6 +83,23 @@ export class NavbarComponent extends BaseComponent implements OnInit {
 		this.progressIndicationService.getProgressIndicationObservable().pipe(takeUntil(this._destroyed)).subscribe(x => {
 			setTimeout(() => { this.progressIndication = x; });
 		});
+		timer(2000, this.configurationService.inAppNotificationsCountInterval * 1000)
+			.pipe(takeUntil(this._destroyed))
+			.subscribe(x => {
+				this.countUnreadInappNotifications();
+			});
+	}
+
+	private countUnreadInappNotifications() {
+		if (this.isAuthenticated()) {
+			this.inappNotificationService.countUnread()
+				.pipe(takeUntil(this._destroyed))
+				.subscribe(
+					data => {
+						this.inAppNotificationCount = data;
+					},
+				);
+		}
 	}
 
 	public isAuthenticated(): boolean {
@@ -273,4 +298,21 @@ export class NavbarComponent extends BaseComponent implements OnInit {
 		this.router.navigate(['/logout']);
 	}
 
+	toggleInAppNotifications() {
+		if (this.inAppNotificationDialog != null) {
+			this.inAppNotificationDialog.close();
+		} else {
+			this.countUnreadInappNotifications();
+			this.inAppNotificationDialog = this.dialog.open(InAppNotificationListingDialogComponent, {
+				position: {
+					top: '64px', right: '0px'
+				}
+			});
+			this.inAppNotificationDialog.afterClosed().pipe(takeUntil(this._destroyed)).subscribe(result => {
+				this.countUnreadInappNotifications();
+				this.inAppNotificationDialog = null;
+			});
+		}
+	}
+
 }
diff --git a/dmp-frontend/src/assets/config/config.json b/dmp-frontend/src/assets/config/config.json
index 5f6f4c949..5b5690136 100644
--- a/dmp-frontend/src/assets/config/config.json
+++ b/dmp-frontend/src/assets/config/config.json
@@ -19,6 +19,7 @@
         "clientSecret": null,
         "grantType": "code"
     },
+	"inAppNotificationsCountInterval": "30",
 	"notification_service": {
 		"enabled": true,
 		"address": "http://localhost:8086/api/"
diff --git a/dmp-frontend/src/assets/i18n/en.json b/dmp-frontend/src/assets/i18n/en.json
index 9b995fcc5..a87e020fc 100644
--- a/dmp-frontend/src/assets/i18n/en.json
+++ b/dmp-frontend/src/assets/i18n/en.json
@@ -314,7 +314,9 @@
 			"DMP": "DMP",
 			"GRANT": "Grant",
 			"PUBLISHED": "Published"
-		}
+		},
+		"INAPP-NOTIFICATIONS": "All Notifications",
+		"READ-ALL-INAPP-NOTIFICATIONS": "Read All"
 	},
 	"SIDE-BAR": {
 		"GENERAL": "GENERAL",
@@ -1328,6 +1330,43 @@
 		}
 	},
 	"NOTIFICATION-SERVICE": {
+		"INAPP-NOTIFICATION-LISTING": {
+			"FIELDS": {
+				"SUBJECT": "Subject",
+				"TRACKING-STATE": "Tracking State",
+				"CREATED-AT": "Created",
+				"IS-ACTIVE": "Is Active"
+			},
+			"FILTER": {
+				"MORE-FILTERS": "More filters",
+				"TRACKING-STATE":"Tracking State",
+				"IS-ACTIVE": "Is Active",
+				"CHANNEL": "Channel",
+				"CANCEL": "Cancel",
+				"APPLY-FILTERS": "Apply filters"
+			},
+			"CONFIRM-DELETE-DIALOG": {
+				"MESSAGE": "Would you like to delete this Notification Template?",
+				"CONFIRM-BUTTON": "Yes, delete",
+				"CANCEL-BUTTON": "No"
+			},
+			"ACTIONS": {
+				"DELETE": "Delete",
+				"EDIT": "Edit"
+			},
+			"SUCCESSFUL-DELETE": "Successful Delete",
+			"UNSUCCESSFUL-DELETE": "This item could not be deleted."
+		},
+		"INAPP-NOTIFICATION-EDITOR": {
+			"FIELDS": {
+				
+			},
+			"ACTIONS": {
+				"READ": "Read",
+				"CANCEL": "Cancel",
+				"DELETE": "Delete"
+			}
+		},
 		"NOTIFICATION-TEMPLATE-EDITOR": {
 			"NEW": "New Notification Template",
 			"FIELDS": {
@@ -2275,6 +2314,10 @@
 			"DESCRIPTION-TEMPLATE-INVITATION": "Description Template Invitation",
 			"CONTACT-SUPPORT": "Contact Support",
 			"PUBLIC-CONTACT-SUPPORT": "Public Contact Support"
+		},
+		"NOTIFICATION-INAPP-TRACKING": {
+			"STORED": "Stored",
+			"DELIVERED": "Delivered"
 		}
 	},
 	"ADDRESEARCHERS-EDITOR": {