ROLLIN RANSOM serves as co-leader of Sidley’s global Commercial Litigation and Disputes practice, and of the Entertainment, Sports and Media group. He is managing partner of the Los Angeles office and also head of the Greater Los Angeles Litigation group. Rollin’s leadership extends to Sidley’s firmwide Inclusion Committee, where he serves as co-chair.
Representing both individuals and corporations, Rollin has extensive experience prosecuting and defending lawsuits involving a wide variety of intellectual property claims, including copyright and theft of idea, trademark, false advertising, trade secret and unfair competition actions. Rollin’s clients cover an array of industries, including media and entertainment, technology and financial services companies. He also regularly counsels clients outside of litigation on a variety of intellectual property, advertising and internet-related matters.
“Rollin is a top-notch litigation attorney.”
Chambers USA 2024
“He offers wise advice, is very pragmatic and understands clearly the pros and cons of situations. He is exactly what you want in a lawyer and I respect him a great deal.”
Chambers USA 2024
Rollin is recognized by Benchmark Litigation as a “Litigation Star” for Entertainment, Intellectual Property, and Commercial (2026). He is also ranked by Chambers USA for California Media & Entertainment: Litigation (2022–2025) with clients remarking that “Rollin has deep knowledge of business and political issues” with a “really good eye for helping clients navigate these issues” (2025) and that “Rollin is a trusted thought partner" (2023). He has been recognized as a “Top Music Lawyer” by Billboard Magazine (2020–2025) and The Hollywood Reporter (2025) and by Variety in its Legal Impact Report (2021–2022), and was named as a BTI Client Service All-Star in 2025. Additionally, he was named to the Los Angeles Business Journal’s 2024 “Leaders of Influence: Minority Attorneys” list, and as a “Leading Commercial Litigator” by the Daily Journal (2024).
Rollin earned his J.D. magna cum laude from the University of Michigan Law School, where he served as an associate editor of the Law Review. He is a Phi Beta Kappa graduate of Northwestern University, where he received a B.A. in history.