The Juridical Analysis of Protection of Well-Known Trademark Hugo Boss (Case Number : 01/PDT.SUS-Brand/2019/PN. Niaga.JKT.PST) Trademark is one example of IPR (intellectual property rights) that must be protected. Trademarks as one form of intellectual work that has an important role in the smoothness and improvement of goods or services in trade and investment activities. The purpose of this research is to know, study and understand Law Number 20 of 2016 Regarding Trademarks and Geographical Indications regulating Legal Protection on Well-Known Trademark and to know, study and understand the Judge’s Consideration on the Dispute of THE HUGO BOSS Trademark in Case Number 01/PDT.SUS-BRAND/2019/PN.NIAGA.JKT.PST. The method used in this research is normative legal research. The data used are secondary data consisting of primary, secondary and tertiary legal material. Data analysis was conducted using a qualitative descriptive method. The results of the research are as follows: Legal Protection on the Well- Known Trademarks Law number 20 of 2016 Regarding Trademarks and Geographical Indications is contained in Article 20 and also in article 21 paragraph (1) of the Law Number 20 of 2016 concerning Trademarks and Geographical Indications, furthermore, the judge's consideration in deciding that the HUGO BOSS trademark is a well-known trademark in the case NUMBER 01/PDT.SUS-BRAND/2019/PN.NIAGA.JKT PST. due to the Trademark HUGO FEMININE (IDM000411350), HUGO JEANS (IDM000467976) and HUGO BOY (IDM000451163) have been proven to have no differentiating power, in accordance with the provisions of Article 20 Paragraph (1) of the Law No.20 of 2016 Regarding Regarding Trademarks and Geographical Indications, it has no a differentiating power, therefore according to article 20 letter e of the Law number 20 of 2016 Regarding Regarding Trademarks and Geographical Indications on the HUGO BOSS Trademarks cannot be registered upon the request of the Trademarks as of it is obvious from the facts of the trial that it also has similarities in principle, therefore the trademarks of HUGO FEMININE (IDM000411350), HUGO JEANS (IDM000467976) dan HUGO BOY (IDM000451163) should be canceled by the Co-Defendant parties, namely the Ministry of Law and Human Right of the Republic of Indonesia casu quo Directorate General of Intellectual Property. One of the suggestions in this research is to the Ministry of Law and Human Right of the Republic of Indonesia casu quo Directorate General of Intellectual Property is more careful and thorough about trademark registration in order to there is no any disputes regarding cancellation of trademarks in the future. Keywords: Trademark, Legal Protection, Dispute.