Fredrik Lilleaas Ellingsen

Fredrik Lilleaas Ellingsen heads Selmer's Dispute Resolution practice group, and is specialized in litigation, arbitration and complex/high value commercial disputes. He serves as a strategic legal advisor and problem solver for clients in domestic and international matters. Fredrik also has experience as a former defense attorney and assists clients with corporate investigations, fact-finding, compliance and crisis management in cases involving regulatory violations and criminal investigations. He has experience from litigating numerous cases within a broad field of legal areas and industries, including antitrust litigation and follow-on claims, technology disputes, construction, damages claims, M&A disputes, IT projects and intellectual property (IP). Fredrik has served 5 years as a judge at Oslo District Court, and is affiliated with the University of Oslo as a university lecturer where he regularly teaches civil and commercial procedural law. He is one of Norway's leading experts on disclosure and seizure of evidence, and passed a qualifying case before the Supreme Court of Norway in 2019 concerning a principal question of disclosure of digital evidence. Fredrik is a lecturer in civil procedural law at the mandatory Norwegian Solicitor's training program, former head of the prestigious JUC network for litigation and dispute resolution, and is the author of the legal commentary to the Lugano Convention (Brussels regime) for Karnov Group Norway. He is ranked by Legal 500 and Chambers as a Next Generation Partner and Up & Coming within Dispute Resolution in Norway (2025) and is also highlighted in the prestigious Legal 500 Arbitration Powerlist Nordics (2024) as a leading arbitration practitioner in the Nordic region.