www.novagraaf.com/en/news?newspath=/NewsItems/en/preparing-for-an-IPO-do-not-overlook-ip
See also:
www.finnegan.com/resources/articles/articlesdetail.aspx?news=5741e2ee-305f-4ef6-a294-09943dd3dd3b
fc3b600c-6c36-4f1c-b060-74e288fa6e51.filesusr.com/ugd/20a754_e008eaca457b4b80a8268cb68051e945.pdf?index=true