diff --git a/partner_legal_name/README.rst b/partner_legal_name/README.rst
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+++ b/partner_legal_name/README.rst
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+===========
+Partner Legal name
+===========
+
+.. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fpartner--contact-lightgray.png?logo=github
+    :target: https://github.com/OCA/partner-contact/tree/12.0/partner_fax
+    :alt: OCA/partner-contact
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/partner-contact-12-0/partner-contact-12-0-partner_fax
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
+    :target: https://runbot.odoo-community.org/runbot/134/12.0
+    :alt: Try me on Runbot
+
+|badge1| |badge2| |badge3| |badge4| |badge5| 
+
+This module adds a legal_name field into the partner form and assign value of display_name = legal_name.
+
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To use this module, you need to:
+
+1. Go to the partner form
+2. There you will see a new field called "Legal Name" that you can use to save the partner's Legal Name
+3. For tree view, you can also see legal_name's values, if there is a many2one field which link with 'res.partner'
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/partner-contact/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us smashing it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/partner-contact/issues/new?body=module:%20partner_fax%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Contributors
+~~~~~~~~~~~~
+
+* Truong Dinh Minh Duc
+* ductdm <duc.tdm@komit-consulting.com>
+
+Maintainers
+~~~~~~~~~~~
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/partner-contact <https://github.com/OCA/partner-contact/tree/12.0/partner_fax>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/partner_legal_name/__init__.py b/partner_legal_name/__init__.py
new file mode 100644
index 000000000..9186ee3ad
--- /dev/null
+++ b/partner_legal_name/__init__.py
@@ -0,0 +1 @@
+from . import model
diff --git a/partner_legal_name/__manifest__.py b/partner_legal_name/__manifest__.py
new file mode 100644
index 000000000..37eedaac3
--- /dev/null
+++ b/partner_legal_name/__manifest__.py
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+{
+    'name': 'Partner Legal Name',
+    'version': '12.0.1.0.0',
+    'installable': True,
+    'category': 'base',
+    'author': 'Komit',
+    'website': 'http://komit-consulting.com',
+    'license': 'AGPL-3',
+    "depends": [
+        'base'
+    ],
+    "data": [
+        'view/base/res_partner_view.xml'
+    ],
+    "application": True
+}
diff --git a/partner_legal_name/model/__init__.py b/partner_legal_name/model/__init__.py
new file mode 100644
index 000000000..0e4444933
--- /dev/null
+++ b/partner_legal_name/model/__init__.py
@@ -0,0 +1 @@
+from . import base
diff --git a/partner_legal_name/model/base/__init__.py b/partner_legal_name/model/base/__init__.py
new file mode 100644
index 000000000..91fed54d4
--- /dev/null
+++ b/partner_legal_name/model/base/__init__.py
@@ -0,0 +1 @@
+from . import res_partner
diff --git a/partner_legal_name/model/base/res_partner.py b/partner_legal_name/model/base/res_partner.py
new file mode 100644
index 000000000..03f903676
--- /dev/null
+++ b/partner_legal_name/model/base/res_partner.py
@@ -0,0 +1,55 @@
+from odoo import api, fields, models, _
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    legal_name = fields.Char()
+
+    @api.onchange('name')
+    def onchange_legal_name(self):
+        if self.legal_name == '':
+            self.legal_name = self.name
+
+    @api.multi
+    def name_get(self):
+        res = []
+        for partner in self:
+            name_legal = partner._get_name()
+            res.append((partner.id, name_legal))
+        return res
+
+    def _get_name(self):
+        partner = self
+        name = partner.legal_name or ''
+
+        if partner.company_name or partner.parent_id:
+            if not name and partner.type in ['invoice', 'delivery', 'other']:
+                name = \
+                    dict(self.fields_get(['type'])['type']
+                         ['selection'])[partner.type]
+            if not partner.is_company:
+                name = \
+                    "%s, %s" % (partner.commercial_company_name or
+                                partner.parent_id.legal_name, name)
+        if self._context.get('show_address_only'):
+            name = partner._display_address(without_company=True)
+        if self._context.get('show_address'):
+            name = name + "\n" + partner._display_address(without_company=True)
+        name = name.replace('\n\n', '\n')
+        name = name.replace('\n\n', '\n')
+        if self._context.get('address_inline'):
+            name = name.replace('\n', ', ')
+        if self._context.get('show_email') and partner.email:
+            name = "%s <%s>" % (name, partner.email)
+        if self._context.get('html_format'):
+            name = name.replace('\n', '<br/>')
+        if self._context.get('show_vat') and partner.vat:
+            name = "%s - %s" % (name, partner.vat)
+        return name
+
+    @api.depends('is_company', 'legal_name', 'parent_id.name',
+                 'type', 'company_name')
+    def _compute_display_name(self):
+        for partner in self:
+            partner.display_name = partner.legal_name
diff --git a/partner_legal_name/view/base/res_partner_view.xml b/partner_legal_name/view/base/res_partner_view.xml
new file mode 100644
index 000000000..b7bf858e8
--- /dev/null
+++ b/partner_legal_name/view/base/res_partner_view.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+
+    <record id="view_partner_form_inherit" model="ir.ui.view">
+        <field name="name">view_partner_form_inherit</field>
+        <field name="model">res.partner</field>
+        <field name="view_mode">form,tree</field>
+        <field name="inherit_id" ref="base.view_partner_form"/>
+        <field name="arch" type="xml">
+            <field name="name" position="after">
+                <div style="font-weight:normal">
+                    <field name="legal_name" string="Legal name" readonly="False"/>
+                </div>
+            </field>
+        </field>
+    </record>
+
+</odoo>