diff --git a/webapp/src/Controller/Jury/ClarificationController.php b/webapp/src/Controller/Jury/ClarificationController.php
index a31a3000ee..5ccf552fc1 100644
--- a/webapp/src/Controller/Jury/ClarificationController.php
+++ b/webapp/src/Controller/Jury/ClarificationController.php
@@ -346,6 +346,25 @@ public function changeQueueAction(Request $request, int $clarId): Response
         return $this->redirectToRoute('jury_clarification', ['id' => $clarId]);
     }
 
+    #[Route('/check-claimed', name: 'check_if_claimed', methods: ['GET'])]
+    public function checkIfClaimed(Request $request): Response
+    {
+        $clarid = $request->query->get('clarid');
+        $currentUserName = $this->getUser()->getUsername();
+
+        $queryBuilder = $this->em->createQueryBuilder()
+            ->select('clar.jury_member')
+            ->from(Clarification::class, 'clar')
+            ->where('clar.clarid = :clarid')
+            ->setParameter('clarid', $clarid);
+        $claimedJuryMember = $queryBuilder->getQuery()->getSingleResult();
+
+        return $this->json([
+            'isClaimedByOther' => $claimedJuryMember['jury_member'] !== null && $claimedJuryMember['jury_member'] !== $currentUserName,
+            'ClaimedBy' => $claimedJuryMember['jury_member'],
+        ]);
+    }
+
     protected function processSubmittedClarification(
         FormInterface $form,
         ?Clarification $inReplTo = null
diff --git a/webapp/templates/jury/partials/clarification_form.html.twig b/webapp/templates/jury/partials/clarification_form.html.twig
index ca2423d258..edc573d937 100644
--- a/webapp/templates/jury/partials/clarification_form.html.twig
+++ b/webapp/templates/jury/partials/clarification_form.html.twig
@@ -33,3 +33,30 @@
 
 </div>
 {{ form_end(form) }}
+
+<script>
+    $(function () {
+        var $body = $('body');
+
+        $body.on('submit', 'form[name=jury_clarification]', function () {
+            var clarid = {{ origclar | json_encode(constant('JSON_HEX_TAG')) | raw }}.clarid;
+
+            fetch(`/jury/clarifications/check-claimed?clarid=${clarid}`, {
+                method: 'GET',
+                headers: {
+                    'Content-Type': 'application/json',
+                }
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.isClaimedByOther === true) {
+                    confirm(`This clarification has been claimed by ${data.ClaimedBy}. Are you sure you want to send this message?`);
+                }
+            })
+            .catch(error => {
+                console.error('Error:', error);
+                alert('An error occurred while checking claim status.');
+            });
+        });
+    });
+</script>