diff --git a/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.html b/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.html
index db3e377a..f3579293 100644
--- a/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.html
+++ b/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.html
@@ -1,6 +1,6 @@
 @if(casedetail(); as _case){
 
-    <ix-button class="absolute top-20 right-32 z-50" (click)="toggleEdit()">
+    <ix-button class="absolute top-20 right-32 z-50" (click)="toggleEdit()" xmlns="http://www.w3.org/1999/html">
         {{ isEditing ? 'Submit changes' : 'Update Case' }}
     </ix-button>
     <ix-icon-button *ngIf="isEditing" class="absolute top-20 right-64 z-50 text-red-600" (click)="cancelEdit()" icon="cancel" iconColor="red">
@@ -34,7 +34,7 @@ <h1 class="text-xl mb-5">_Case {{ _case.handle }}</h1>
                 <div class="form-row flex justify-between">
                     <div class="form-group mb-4 flex flex-col w-[48%]">
                         <label for="assignedTo" class="mb-1 font-bold">Assigned to</label>
-                        <input type="email" id="assignedTo" [(ngModel)]="_case.modifiedBy" name="assignedTo" [readonly]="!isEditing" class="w-full p-2 mb-1 rounded border-box">
+                        <input type="email" id="assignedTo" [(ngModel)]="_case.createdBy" name="assignedTo" [readonly]="!isEditing" class="w-full p-2 mb-1 rounded border-box">
                     </div>
                     <div class="form-group mb-4 flex flex-col w-[48%]">
                         <label for="dueDate" class="mb-1 font-bold">Due date (UTC)</label>
@@ -64,11 +64,16 @@ <h1 class="text-xl mb-5">_Case {{ _case.handle }}</h1>
                 </div>
                 <div class="form-row flex justify-between">
                     <div class="form-group mb-4 flex flex-col w-[48%]">
-                        <label *ngIf="!isEditing" for="createdBy" class="font-normal">Created by</label>
-                        <input *ngIf="!isEditing" type="text" id="createdBy" [(ngModel)]="_case.createdBy" name="createdBy" readonly class="w-full p-2 mb-1 rounded border-box">
-                        <label for="modifiedBy" *ngIf="isEditing" class="font-bold">Modified by</label>
-                        <input *ngIf="isEditing" type="text" id="modifiedBy" [(ngModel)]="_case.modifiedBy" name="modifiedBy" class="w-full p-2 mb-1 rounded border-box">
+                        <label for="createdBy" class="font-normal">Created by</label>
+                        <input type="text" id="createdBy" [(ngModel)]="_case.createdBy" name="createdBy" readonly class="w-full p-2 mb-1 rounded border-box">
                     </div>
+                    <div class="form-group mb-4 flex flex-col w-[48%]">
+                        <label for="modifiedBy" class="font-bold">Last modified by</label>
+                        <input readonly *ngIf="!isEditing" type="text" id="modifiedBy" [(ngModel)]="_case.modifiedBy" name="modifiedBy" class="w-full p-2 mb-1 rounded border-box">
+                        <input readonly *ngIf="isEditing" type="text" id="NewModifiedBy" value={{getUserMail()}} name="modifiedBy" class="w-full p-2 mb-1 rounded border-box">
+                    </div>
+                </div>
+                <div class="form-row flex justify-between">
                     <div class="form-group mb-4 flex flex-col w-[48%]">
                         <label for="createdDate" class="mb-1 font-bold">Creation date</label>
                         <input type="text" id="createdDate" [(ngModel)]="_case.createdAt" name="createdDate" readonly class="w-full p-2 mb-1 rounded border-box">
diff --git a/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.ts b/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.ts
index 34eb05a9..932aeca8 100644
--- a/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.ts
+++ b/libs/cases/frontend/view/src/lib/components/detail-case/detail-case.component.ts
@@ -12,6 +12,7 @@ import { ActivatedRoute, RouterLink } from '@angular/router';
 import { XdCasesFacade } from '@frontend/cases/frontend/domain';
 import { IxModule, ModalService, ToastService } from '@siemens/ix-angular';
 import { ECasePriority, ECaseStatus, ECaseType, ICaseResponse } from 'cases-shared-models';
+import { AuthenticationService } from 'common-frontend-models';
 
 import DeleteModalComponent from './delete-modal/deleteModal.component';
 
@@ -43,6 +44,7 @@ export class DetailCaseComponent {
         protected readonly route: ActivatedRoute,
 		private readonly _modalService: ModalService,
 		private readonly toastService: ToastService,
+        protected _authenticationService: AuthenticationService,
 	) {}
 
 	deleteCase() {
@@ -86,8 +88,15 @@ export class DetailCaseComponent {
 		}
 	}
 
+    getUserMail() {
+        return this._authenticationService.getUserMail();
+    }
+
 	onSubmit(): void {
 		const casedetail = this.casedetail();
+        if (casedetail !== undefined) {
+            casedetail.modifiedBy = <string>this.getUserMail();
+        }
 
 		if (casedetail !== undefined) {
 			const validationString = this.validateForm(casedetail);