diff --git a/application/Espo/Modules/Crm/Entities/Lead.php b/application/Espo/Modules/Crm/Entities/Lead.php
index 8ed65c1a37..6634a7c947 100644
--- a/application/Espo/Modules/Crm/Entities/Lead.php
+++ b/application/Espo/Modules/Crm/Entities/Lead.php
@@ -25,12 +25,25 @@
  *
  * In accordance with Section 7(b) of the GNU General Public License version 3,
  * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
- ************************************************************************/ 
+ ************************************************************************/
 
 namespace Espo\Modules\Crm\Entities;
 
 class Lead extends \Espo\Core\Entities\Person
 {
 
+    protected function _getName()
+    {
+        if (!array_key_exists('name', $this->valuesContainer) || !$this->valuesContainer['name']) {
+            if ($this->get('accountName')) {
+                return $this->get('accountName');
+            } else if ($this->get('emailAddress')) {
+                return $this->get('emailAddress');
+            } else if ($this->get('phoneNumber')) {
+                return $this->get('phoneNumber');
+            }
+        }
+        return $this->valuesContainer['name'];
+    }
 }
 
diff --git a/application/Espo/Modules/Crm/Resources/metadata/clientDefs/Lead.json b/application/Espo/Modules/Crm/Resources/metadata/clientDefs/Lead.json
index 7b8614c83a..c57b1e14db 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/clientDefs/Lead.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/clientDefs/Lead.json
@@ -122,5 +122,27 @@
          "style": "success"
       }
    ],
-   "boolFilterList": ["onlyMy"]
+   "boolFilterList": ["onlyMy"],
+    "dynamicLogic": {
+        "fields": {
+            "name": {
+                "required": {
+                    "conditionGroup": [
+                        {
+                            "type": "isEmpty",
+                            "attribute": "accountName"
+                        },
+                        {
+                            "type": "isEmpty",
+                            "attribute": "emailAddress"
+                        },
+                        {
+                            "type": "isEmpty",
+                            "attribute": "phoneNumber"
+                        }
+                    ]
+                }
+            }
+        }
+    }
 }
diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
index 4ec060913b..115b734c92 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Lead.json
@@ -15,7 +15,6 @@
         "lastName": {
             "type": "varchar",
             "maxLength": 100,
-            "required": true,
             "default":""
         },
         "title": {
diff --git a/application/Espo/Resources/metadata/clientDefs/DynamicLogic.json b/application/Espo/Resources/metadata/clientDefs/DynamicLogic.json
index 15dfa5a2c3..9334299d35 100644
--- a/application/Espo/Resources/metadata/clientDefs/DynamicLogic.json
+++ b/application/Espo/Resources/metadata/clientDefs/DynamicLogic.json
@@ -98,6 +98,14 @@
             "view": "views/admin/dynamic-logic/conditions/field-types/base",
             "typeList": ["equals", "notEquals", "isEmpty", "isNotEmpty"]
         },
+        "email": {
+            "view": "views/admin/dynamic-logic/conditions/field-types/base",
+            "typeList": ["isEmpty", "isNotEmpty"]
+        },
+        "phone": {
+            "view": "views/admin/dynamic-logic/conditions/field-types/base",
+            "typeList": ["isEmpty", "isNotEmpty"]
+        },
         "text": {
             "view": "views/admin/dynamic-logic/conditions/field-types/base",
             "typeList": ["isEmpty", "isNotEmpty"]
diff --git a/client/src/views/fields/base.js b/client/src/views/fields/base.js
index b05ed6d7f9..93d19ca2ed 100644
--- a/client/src/views/fields/base.js
+++ b/client/src/views/fields/base.js
@@ -262,13 +262,13 @@ Espo.define('views/fields/base', 'view', function (Dep) {
 
             this.on('after:render', function () {
                 if (this.mode === 'edit') {
-                    if (this.isRequired()) {
+                    if (this.hasRequiredMarker()) {
                         this.showRequiredSign();
                     } else {
                         this.hideRequiredSign();
                     }
                 } else {
-                    if (this.isRequired()) {
+                    if (!this.hasRequiredMarker()) {
                         this.hideRequiredSign();
                     }
                 }
@@ -580,6 +580,10 @@ Espo.define('views/fields/base', 'view', function (Dep) {
             }
         },
 
+        hasRequiredMarker: function () {
+            return this.isRequired();
+        },
+
         fetchToModel: function () {
             this.model.set(this.fetch(), {silent: true});
         },
diff --git a/client/src/views/fields/person-name.js b/client/src/views/fields/person-name.js
index 65f8da62d6..17e4f4cf4e 100644
--- a/client/src/views/fields/person-name.js
+++ b/client/src/views/fields/person-name.js
@@ -82,7 +82,7 @@ Espo.define('views/fields/person-name', 'views/fields/varchar', function (Dep) {
         },
 
         validateRequired: function () {
-            var isRequired = this.model.getFieldParam(this.name, 'required');
+            var isRequired = this.isRequired();
 
             var validate = function (name) {
                 if (this.model.isRequired(name)) {
@@ -109,11 +109,11 @@ Espo.define('views/fields/person-name', 'views/fields/varchar', function (Dep) {
             return result;
         },
 
-        isRequired: function () {
+        hasRequiredMarker: function () {
+            if (this.isRequired()) return true;
             return this.model.getFieldParam(this.salutationField, 'required') ||
                    this.model.getFieldParam(this.firstField, 'required') ||
-                   this.model.getFieldParam(this.lastField, 'required') ||
-                   this.model.getFieldParam(this.name, 'required');
+                   this.model.getFieldParam(this.lastField, 'required');
         },
 
         fetch: function (form) {