Sean G. Williamson

Kentucky

Bricker Graydon Wyatt LLP
400 West Market Street
Suite 2000
Louisville, KY 40202

Tel: 502.562.7307

Email: swilliamson@bricker.com
Web: www.bricker.com

Sean is Co-Chair of Bricker Graydon Wyatt’s appellate practice, and a member of the Firm’s Litigation & Dispute Resolution Service Team. His practice extends to all phases of trial and appellate proceedings, and he has significant experience before federal and state appellate courts.

Sean represents a broad range of clients in complex commercial disputes, and he has extensive experience in banking and financial services litigation. He regularly represents financial institutions and other clients in fiduciary and transactional litigation and defends consumer claims related to debt collection, credit reporting, unfair business practices, and other consumer protection laws. Sean frequently represents financial institutions in lending and mortgage litigation.

In addition, Sean advises businesses and innovators on the protection of valuable, competitive information, such as trade secrets and non-competition issues. His intellectual property experience also includes representing clients in trademark, trade dress, and copyright litigation.

Sean has represented clients in securities litigation, class actions, insurance matters, sales disputes, products liability and warranty matters, commercial real estate disputes, and constitutional challenges.

Education

  • J.D., University of Pennsylvania Law School, 2014
    • Executive Editor, Journal of Constitutional Law
    • Moot Court Board
    • Award for Distinguished Pro Bono Service
    • Legal Writing Honors
  • B.A., summa cum laude, University of Louisville, 2011 (History and Political Science)
    • McConnell Scholarship for Political Leadership

Bricker Graydon Wyatt LLP’s appellate practice is recognized for delivering clear, persuasive, and results-oriented advocacy across a broad range of complex matters. The firm’s appellate attorneys handle appeals in Ohio state courts, federal courts, and administrative agencies, and have extensive experience briefing and presenting oral arguments in hundreds of cases. This includes high-profile and high-stakes appeals, as well as writ actions, where the firm frequently represents national and state organizations as amici curiae. Drawing on this depth of experience, the team develops strategic, well-reasoned arguments designed to achieve favorable outcomes.

The practice is supported by a highly credentialed team that includes former law clerks to the United States Court of Appeals for the Sixth Circuit, the Supreme Court of Ohio, and Ohio appellate courts. Several attorneys are also certified as specialists in appellate law by the Ohio State Bar Association. This combination of academic excellence, courtroom experience, and technical knowledge allows the firm to navigate complex appellate procedures while delivering thoughtful and effective advocacy at every stage.

Bricker Graydon Wyatt’s appellate lawyers advise clients throughout the entire appellate lifecycle, from evaluating whether an appeal is the appropriate course of action to collaborating with trial counsel to preserve issues and strengthen the record. The team prepares jurisdictional memoranda, handles appeals and extraordinary writ actions, and represents clients in both state and federal administrative appeals. In addition, the firm regularly files amicus curiae briefs on behalf of national and regional organizations, ensuring their perspectives are effectively presented in significant appellate matters, including before the United States Supreme Court.

Bricker Graydon Wyatt LLP is a regional law firm built on a foundation of deep legal experience and a strong commitment to client service. Formed through the combination of Bricker & Eckler LLP, Graydon Head & Ritchey LLP, and Wyatt, Tarrant & Combs, LLP, the firm brings together long-standing legacies across Ohio, Kentucky, Indiana, Tennessee, and beyond. This integration reflects shared values and complementary strengths, enabling the firm to deliver practical, results-driven counsel while maintaining trusted client relationships.

The firm provides comprehensive legal services through industry-focused teams that combine legal insight with a clear understanding of clients’ business and regulatory environments. Its attorneys advise on a wide range of matters, including litigation, corporate transactions, and governmental and regulatory issues, serving sectors such as banking and financial services, construction, education, energy, health care, insurance, manufacturing, the public sector, and real estate. With more than 300 attorneys and a broad array of practice areas, Bricker Graydon Wyatt offers the scale and sophistication of a large firm while preserving a responsive, client-centered approach.

With a strong presence across the Midwest and Southeast, the firm operates from 14 offices in key markets including Cincinnati, Cleveland, Columbus, Dayton, Lexington, Louisville, Nashville, Memphis, Southeast Ohio, and Southern Indiana. Its regional reach is paired with a local commitment, allowing attorneys to remain closely connected to the communities they serve. Known for accessibility, strategic guidance, and practical solutions, Bricker Graydon Wyatt acts as a trusted partner to its clients, while also maintaining an active role in civic leadership, pro bono work, and community engagement.

“Focusing on the most demanding phases of litigation, Sean is known for guiding complex cases through appellate proceedings with clarity and control. Clients value his ability to develop cohesive legal arguments across trial and appeal, while peers highlight his experience before state and federal appellate courts in high-value commercial disputes.”
The Appellate Lawyers, 2025