diff --git a/src/modules/catalog/catalog.service.ts b/src/modules/catalog/catalog.service.ts
index 5929849..c56313e 100644
--- a/src/modules/catalog/catalog.service.ts
+++ b/src/modules/catalog/catalog.service.ts
@@ -240,8 +240,44 @@ class CatalogService implements OnModuleInit {
   ) {
     this.logger.info('CatalogService - searchDataAssets');
 
+    const { search, page, size, sort_by, order, owner, ...filters } = query;
+    
+    // Verificar se filters.owner existe
+    if (owner !== undefined && owner !== null) {
+      const { users: customer_users } =
+        await this.userService.findAllUsersByCustomerId(customer_id);
 
-    const { search, page, size, sort_by, order, ...filters } = query;
+      let ownerValues: string[];
+      if (Array.isArray(owner)) {
+        ownerValues = owner;
+      } else if (typeof owner === 'string' && owner.includes(',')) {
+        ownerValues = owner.split(',').map((o: string) => o.trim());
+      } else {
+        ownerValues = [owner];
+      }
+
+      // Separar "sem owner" (marcador especial null) dos owners normais
+      const hasEmptyOwner = ownerValues.some(v => v === 'null');
+      const normalOwners = ownerValues.filter(v => v !== 'null');
+
+      // Converter nomes de owners para IDs
+      const ownerIds = normalOwners.map((ownerValue: string) => {
+        const user = customer_users.find(u => 
+          u.name === ownerValue || u.email === ownerValue || u.id === ownerValue
+        );
+        return user ? user.id : ownerValue;
+      });
+
+      // Se tiver "sem owner", adicionar marcador especial
+      if (hasEmptyOwner) {
+        ownerIds.push('null');
+      }
+
+      // Adicionar ao filters apenas se houver valores
+      if (ownerIds.length > 0) {
+        filters.owner = ownerIds;
+      }
+    }
 
     const { data_assets, total } = await lastValueFrom(
       this.catalogReadService.GetAllDataAssets(