Sitanggang has a Bachelor degree in Law from University of Padjadjaran and an undergraduate in English language (SS) from School of Higher Learning of Foreign Languages (STBA). She is admitted to the Indonesian     Bar Association (AAI) and representing clients before appellate courts. Seven years with the former Law Firm, she used to be the Head of Trademark Group, being in charge of all aspects of trademark works. Now, she     is a partner in LSP PARTNERSHIP, and with her far-reaching experiences, she is responsible for all trademark and industrial design matters handled by LSP Trademark & Design Group. The practice includes consultation on trademark selection and registrability; conducting availability searches, application filings both trademarks and designs, and other matters associated with trademark surveillance, maintenance and enforcement services. She is a member of Asian Patent Attorney Association, International Trademark Association (INTA) and Association of IP Firms (AIPF).