Tobias Loss-Eaton

Practice Areas

TOBIAS LOSS-EATON is an appellate and regulatory litigator who helps clients navigate complex, novel, or high-stakes legal issues, from the earliest strategy discussions to the U.S. Supreme Court. As a member of Sidley’s Supreme Court & Appellate and Regulatory Litigation practices, he has extensive experience challenging and defending state and federal agency actions and regulations. And as a member of Sidley’s top-ranked Transportation practice, Tobias advises and litigates on behalf of the nation’s largest railroads and airlines. He has represented transportation clients in many cases involving federal preemption or preclusion, contractual disputes, challenges to regulatory action, and the proper interpretation of the Federal Employers Liability Act (FELA). In 2023 alone, Tobias argued four transportation-law appeals in federal and state appellate courts.

Tobias prides himself on clearly explaining complex legal issues to busy generalist judges. He has written or coauthored almost 140 briefs in state and federal appellate courts, including over 60 briefs in the Supreme Court. Tobias is a co-director of the Northwestern Supreme Court Clinic at Northwestern Pritzker School of Law, where he teaches Supreme Court advocacy and supervises students working on cases at the Court.

Tobias served as a law clerk on the U.S. Court of Appeals for the First Circuit and the U.S. District Court for the District of Columbia. He earned his J.D., cum laude, from Harvard Law School, where he was a notes editor of the Harvard Law Review.