diff --git a/trytond/trytond/modules/product/product.py b/trytond/trytond/modules/product/product.py
index a3eb0e9..47a46ab 100644
--- a/trytond/trytond/modules/product/product.py
+++ b/trytond/trytond/modules/product/product.py
@@ -342,6 +342,10 @@ class Product(
             icon = icon or 'tryton-product'
             yield id_, rec_name, icon

+    @property
+    def list_price_used(self):
+        return self.template.get_multivalue('list_price')
+

 class ProductListPrice(ModelSQL, CompanyValueMixin):
     "Product List Price"