About Gary Nicolas
Gary Nicolas Gosanko is a personal injury attorney based in Mercer Island, Washington. He has been practicing law in Washington since 1983, following his graduation from the University of Puget Sound School of Law (now Seattle University School of Law) that same year. Before embarking on his legal career, Gosanko earned a Bachelor of Arts in Economics from Washington State University in 1977. This foundational education laid the groundwork for his analytical skills, which he later applied in his legal practice. After completing his legal education, Gosanko served as a law clerk to the Honorable Herbert A. Swanson of the Washington State Court of Appeals from 1983 to 1985.
This position provided him with invaluable insights into the judicial process and developed his legal writing and research skills. In 1983, he was admitted to the Washington State Bar Association (WSBA) and the U.S. District Court for the Western District of Washington, starting his formal legal career. In 2000, Gosanko expanded his practice by gaining admission to the U.S. Court of Appeals for the Ninth Circuit. His legal journey continued to evolve, culminating in his admission to the Supreme Court of the United States in 2015.
These achievements reflect his commitment to understanding the details of the law at multiple levels. As a founding partner at Gosanko O'Halloran & Lepore, PLLC, located at 7900 SE 28th Street, Fifth Floor, Mercer Island, WA 98040, he has focused on personal injury and tort cases, representing clients in various matters, including car accidents, construction accidents. Wrongful death. Gosanko's dedication to his field is evident in his active membership in professional organizations. He is an Eagle Member of the Washington State Association for Justice and a member of the American Association for Justice. His contributions to the legal community have been recognized through prestigious honors, including membership in the Million Dollar Advocates Forum and the National Association of Distinguished Counsel.
These accolades highlight his success in securing favorable outcomes for clients facing significant challenges. As of February 2026, Gosanko is listed as retired with the WSBA, indicating he is not currently eligible to practice law in Washington. Throughout his career, he has been dedicated to advocating for individuals who have suffered personal injuries. Leveraging his experience, he has worked tirelessly to ensure that his clients receive the justice they deserve. His legacy in the field of personal injury law continues to impact the lives of many in the Mercer Island community and beyond.
