<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_partner_form" model="ir.ui.view">
            <field name="name">res.partner.form.inherit_trading_as</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <label for="type" position="before">
                    <field name="is_trading_name"/>
                </label>
            </field>
        </record>
    </data>
</openerp>

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="view_partner_form" model="ir.ui.view">
            <field name="name">res.partner.form.inherit_trading_as</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <label for="type" position="before">
                    <field name="is_trading_name"/>
                </label>
            </field>
        </record>



        <record id="view_res_partner_filter" model="ir.ui.view">
            <field name="name">res.partner.select.inherit_trading_as</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_res_partner_filter"/>
            <field name="arch" type="xml">
                <filter name="supplier" position="after">
                    <separator/>
                    <filter string="Trading Name" name="trading_name" domain="[('is_trading_name', '=', True)]"/>
                    <filter string="Not Trading Name" name="not_trading_name" domain="[('is_trading_name', '=', False)]"/>
                </filter>
            </field>
        </record>
    </data>
</openerp>

Add filters 'Trading Name' and 'Not Trading Name' to res.partner filters
Add filters 'Trading Name' and 'Not Trading Name' to res.partner filters
