tra_backend/oh_hr_lawsuit_management/security/security.xml

<?xml version="1.0" ?>
<odoo>
    <data>
        <record id="module_lawsuit_category" model="ir.module.category">
            <field name="name">Lawsuit</field>
            <field name="sequence">18</field>
        </record>

        <record id="lawsuit_group_manager" model="res.groups">
            <field name="name">Manager</field>
            <field name="category_id" ref="module_lawsuit_category"/>
            <field name="implied_ids" eval="[(4, ref('base.group_user'))]"/>
            <field name="users" eval="[(4, ref('base.user_root')), (4, ref('base.user_admin'))]"/>
        </record>

        <record model="ir.rule" id="lawsuit_comp_rule">
            <field name="name">Lawsuit multi-company</field>
            <field name="model_id" ref="model_hr_lawsuit"/>
            <field name="global" eval="True"/>
            <field name="domain_force">['|',('company_id','=',False),('company_id','child_of',[user.company_id.id])]</field>
        </record>

    </data>
</odoo>