contract/agreement_legal_sale/views/product.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <!-- Copyright 2019 Open Source Integrators
         License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->

    <!-- Product Template Form View -->
    <record id="product_template_form_view" model="ir.ui.view">
        <field name="name">product.template.form.view</field>
        <field name="model">product.template</field>
        <field name="inherit_id" ref="product.product_template_form_view"/>
        <field name="arch" type="xml">
            <xpath expr="//notebook" position="inside">
                <page id="agreement" string="Agreement">
                    <group>
                        <group id="agreement_left">
                            <field name="is_serviceprofile"/>
                        </group>
                        <group id="agreement_right"/>
                    </group>
                </page>
            </xpath>
        </field>
    </record>

</odoo>