§ 2.44 Requirements for a complete collective mark application. § 2.45 Requirements for a complete certification mark application; restriction on certification.The USPTO may be required to refuse registration of your mark on numerous grounds. Read about the most common types of refusals. Third, Endologix argues its patents are relevant to show that Cook unreasonably delayed filing suit and that the delay prejudiced Endologix. Federal Registration Requirements. What is the Trademark Electronic Application System (TEAS)?. The Trademark Electronic Application System (TEAS) allows you to fill out online USPTO forms. We're going to talk about how to file your own trademark application with the united states patent and trademark office. Elliot Cook, a Finnegan lawyer, maintains a diverse intellectual property practice, encompassing patent litigation, patent prosecution, and client.