not similar. Category 38: providing online video, which is needed for live broadcast with goods, and category 41: online music/video, etc., which are not similar. Trademark is a special legal term. A brand or a part of a brand is called a "trademark" after it is registered by the relevant government departments according to law. Trademarks are protected by law, and registrants have exclusive rights. Famous trademarks in the international market are often registered in many countries.