Skilled legal professional with a strong track record in litigation and dispute resolution. Extensive experience in criminal and corporate commercial litigation, financial litigation, administrative litigation, environmental and forestry law, energy and mineral resources, commercial and corporate law, and family law. Represents domestic and international clients in court and advises on drafting dispute resolution clauses. Known for navigating complex legal issues and achieving favorable results. Highly regarded for fostering collaborative team environments and adapting to evolving legal challenges. Expertise in strategic planning and client advocacy. Head of HAS Attorneys at Law's Dispute Resolution Practice Group, successfully representing clients in complex, high-profile cases and trial practice. Experience includes white-collar crime defense, tort, corporate litigation, breach of contract, fraud and fiduciary duty litigation, joint venture and partnership disputes, shareholder disputes, structured financing transactions, copyright disputes, insurance, media, consumer, retail, and real estate.
Strategic planning
Innovation mindset
Legal drafting
Legal analysis
Legal research
Client counseling
Alternative dispute resolution
Litigation review
Problem-solving abilities
Mr. Siahaan handles various aspects of legal matter including Dispute Settlement (either Criminal and/or Corporate Commercial Litigation), Financial Litigation, Administrative Litigation, Environmental and Forestry Law, Energy & Mineral Resources, Commercial & Corporate Law, and Family Law. Mr. Siahaan regularly advises clients on the drafting of dispute resolution clauses and has served as counsel in court. He represents domestic and international clients in litigation involving a wide range of commercial matters. His experience includes court litigation, with a focus on complex, high-profile cases, and trial practice., Winning several cases of PT. Asuransi Central Asia, in the breach of contract lawsuits for impediment claims such as flood, fire, loss of goods, shipwreck, also reinsurance shares claims., Winning the case of PT. Duta Pertiwi (Sinarmas Group), in the tort lawsuits for overlapping land rights between the stall’s owners/consumers of Mangga Dua Square and Pemprov DKI Jakarta., Representing PT. Indocement Tunggal Prakarsa, Tbk, in the tort lawsuits for illegal/artificial transaction that were detrimental for the company’s sustainability in the period of 2008-2016., Winning several cases of PT. Indo Japan Steel Center – joint ventured Krakatau Steel and Nippon Steel, Japan, in taxation dispute., Winning the case PT. Elastomer Nusindo, in the environmental lawsuits for contamination due to Hazardous and Toxic Waste in Cikarang Industrial Zone of Hyundai., Winning several cases of PT. MNC Sky Vision Tbk – Indovision/MNC Group, in Telecommunication and Intellectual Property lawsuits for broadcasting rights of Liga Inggris, Piala EURO in the period of 2010-2016., Settling the dispute of PT. Rahayu Santosa – one of the top 5 Karoseri/ Vehicle Frame Company in Indonesia, in regards of bankruptcy due to inoperative condition since COVID-19., Winning the case of PT. Nusantara Turbin Propulsi – subsidiary of Dirgantara Indonesia, in related to tort for the procurement of natural gas converter kits., Winning the case of PT. Green Planet Indonesia, in the corruption lawsuit on the case of bioremediation allied with PT Chevron Pacific Indonesia. Innocence was verdict in the stage of Judicial Review., Winning the case of PT. Cikencreng, in tort lawsuits on the case of 1500 Ha spatial illegality against Mayor of Lubuklinggau, Sumatera Selatan., Winning the case of PT. Inti Indosawit Subur – Asian Agri Group, in the corruption lawsuit on the case of dividend sharing with Pemprov Jambi., Winning the case of INASGOC - KEMENPORA (ASIAN GAMES XVIII), in regards of the dispute pre-implementation and implementation of Asian Games XVIII di Indonesia., Winning the case of Gubernur DKI Jakarta and Pemprov DKI Jakarta in regards of land accusation for the aimed at public interest and regional-national strategic projects. HAS is still continually become the legal consultant for any of Judicial Review for Regional Regulation and Governor Decree, as well as handling any claims filed by citizens of DKI Jakarta., Winning the case of Mr. Eka Wahyu Kasih – PT Kasih Industri Indonesia, in the corruption lawsuit in connection to factoring financial service to the PT PANN (Persero). Bapak Kasih was acquitted and released, such verdict/ontslag is almost never happened in corruption lawsuits. The case itself carve out a record as the third acquittal decision in the history of the Jakarta Corruption Court since its establishment in 2002., Representing Mr. Maroef Sjamsoeddin, in regards of Freeport Indonesia divestment between Freeport Director against Ex-Congressman, Setya Novanto, was notorious as the case of 'Papa Minta Saham'., Representing Mr. Franciscus Welirang (Salim Group) over land dispute Indocement Plant situated in South Kalimantan., Representing Mr. Robert Kakan Tanuatmadja (Salim Group), over dispute on ownership and dividend distribution of LJ Hooker–top 3 property agent in Indonesia.