This study examines the position of a trademark that has not been used for three consecutive years according to Law no. 20 of 2016 concerning trademark and Geographical Indications. The trademark law has regulations regarding this topic, therefore registered marks may be removed and canceled if the necessary conditions are completed. As a result, registration does not provide protection from deletion or cancellation of a mark. This research is legal research using a method that follows the scientific characteristics of jurisprudence, namely normative legal research. This research aims to examine how the registered mark is not used following the provisions of the law that regulates and the legal consequences.

Besides giving birth to a new phenomenon that provides many benefits to the economy, the development of the capital market has also led to the emergence of various forms of white-collar crime that have the potential to harm society at large. In contrast to crimes in general which have the potential to cause direct losses, crimes in the capital market are often considered not to cause harm that can be seen clearly and felt directly. The losses caused by this form of crime are not even considered to be calculated with certainty. One of the crimes in the capital market is insider trading or known as Insider Trading. In relation to this research, what will be examined and studied is the legal regulation in Indonesia in relation to the crime of insider trading in the Capital Market. To get answers to existing legal problems, the normative legal research method is used, which is one of the commonly known study methods in the field of legal science to examine the substance of positive law textually (not only on norms, but also principles, even values). Values contained therein).

This study examines the Criteria for Signs of Public Domain Used as a Brand. This research is legal research by using a method that is in accordance with the scientific characteristics of Law (jurisprudence), namely normative legal research. Concluded also some signs of criteria in the Public Domain Trademark law, namely: Public Domain because it is over the protection period, the Public Domain for distinguishing the substantive requirements are not met. (Article 20 letter (f) UU No. 16/2016 on Trademarks and Geographical Indications), Public Domain because it includes the area of public property, Public Domain because it does not open rivalry, Public Domain because it includes Public Knowledge. Public Domain since its birth, Public Domain because of government policy, Public Domain because something that can be enjoyed by everyone at any time, Public Domain because it is a public good, and Public Domain because there is no scarcity and is available to all

This study examines community empowerment in maintaining public domain marking as a community's right for trademark. This is legal research by using methods according to scientific characteristics of the Law (jurisprudence), namely normative legal research. The public is given authority to use a public domain. The same as the Geographical Indication Protection Society, a public domain protection community is needed on the brand and included in the trademark law. The public is given the authority to use the public domain mark and entitled lawsuit against the use of public domain by unauthorized individuals.