About
Rollin A. Ransom is a California litigation attorney focusing on commercial disputes, entertainment, sports, and media matters, intellectual property litigation, copyright, trademark, false advertising, trade secrets, unfair competition, internet issues, and contract claims. His work supports individuals, corporations, media companies, technology businesses, financial services clients, and creative enterprises facing high-stakes disputes. He helps clients assess claims, manage risk, and pursue trial strategies.
Rollin earned a J.D., magna cum laude, from the University of Michigan Law School, where he served as an associate editor of the Law Review. He also earned a B.A. from Northwestern University and graduated Phi Beta Kappa. His education supports legal research, trial preparation, appellate analysis, and client counseling in complex litigation involving intellectual property, business torts, contracts, media, technology, advertising, and unfair competition issues.
Rollin has extensive experience prosecuting and defending lawsuits involving copyright, theft of an idea, trademark, false advertising, trade secret, and unfair competition claims. He has represented clients in disputes involving record labels, publishers, technology companies, public entities, entertainment businesses, and financial services clients. His experience includes federal trials, jury verdicts, summary judgment victories, settlements, appeals, and strategic counseling outside litigation on advertising and internet-related matters, and trial counsel.
Rollin A. Ransom helps clients address high-stakes litigation with preparation, judgment, and practical strategy. His work supports clients facing media disputes, entertainment claims, intellectual property conflicts, technology issues, unfair competition allegations, and business litigation risks. Admitted in California, Illinois, New York, and many federal courts, he is recognized by Chambers USA, Benchmark Litigation, Billboard, The Hollywood Reporter, Variety, Daily Journal, and Los Angeles Business Journal.
Law Office Affiliations
- Partner, Sidley Austin LLP
- Member, New York State Bar Association
- Member, State Bar of California
- Member, Illinois State Bar Association
Licensed State
- New York
- California
- Illinois
Education
- University of Michigan Law School
Juris Doctor (JD) - Northwestern University
Bachelor of Arts (BA)
Awards & Badges



- Copyright
- Intellectual Property Litigation
- Trade Secrets
- Trademark
- Litigation
- Advertising
- Antitrust & Trade Law
- Financial Markets & Services
- Media & Advertising




