Michael Celar

Barry Boss is co-chair of Cozen O’Connor’s Criminal Defense & Internal Investigations practice group, vice chair of the Commercial Litigation Department and office managing partner of the D.C. office. Prior to joining Cozen O’Connor in April 2004, Barry was an assistant federal public defender in Washington, D.C. Barry focuses his practice on complex criminal matters, particularly involving allegations of white-collar crime in federal court. Barry has extensive jury tria...

Kathleen M. Guilfoyle is a lawyer recognized by Best Lawyers in the practice areas of Mass Tort Litigation / Class Actions - Defendants and Product Liability Litigation - Defendants. Kathleen M. practices law in Boston, Massachusetts Best Lawyers has recognized Kathleen M. Guilfoyle since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Kathleen M. Gui...

Joshua G. McDiarmid is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. Joshua G. practices law in Baton Rouge, Louisiana Best Lawyers has recognized Joshua G. McDiarmid since 2027. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Joshua G. McDiarmid is held by other lawyers.

Kevin O’Hagan is a founding partner of O’Hagan Meyer. After practicing at large law firms for 15 years, such as McGuire Woods and Locke Lord Edwards, he founded the firm to be a national boutique with an emphasis on personal customer service. He acts as lead counsel for several Fortune 500 companies and has tried cases in five different states, including the Delaware Court of Chancery, and has mediated cases in 15 state courts and federal jurisdictions. Kevin has also handled mult...

Seslee S. Smith is a litigator and trial lawyer with more than 23 years experience who focuses her practice on the defense of companies in complex litigation. Ms. Smith is a partner in the firm’s Commercial Litigation Practice and has successfully litigated commercial disputes, products liability actions, insurance coverage disputes and healthcare related matters in federal and state courts, including jury trials, as well as before regulatory agencies, in arbitration proceedings and in ...

Janis Clements is a lawyer recognized by Best Lawyers in the practice area of Litigation - Patent. Janis practices law in Austin, Texas Best Lawyers has recognized Janis Clements since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Janis Clements is held by other lawyers.

Matt Jakubowski is a multi-faceted patent attorney with extensive experience in IP portfolio management, patent preparation and prosecution, IP agreement drafting and negotiation, and patent litigation. Matt is a member of the firm’s Executive Committee and serves as the firm’s treasurer and CFO. He counsels clients in a wide range of intellectual property matters, including, IP portfolio management, freedom-to-operate opinions, cybersecurity, litigation, agreement drafting and ne...

Chris DiAngelo, managing partner of Katten's New York office, offers clients a comprehensive understanding of wholesale finance, the critical process through which banks and finance companies fund their lending activities. His intimate knowledge of the industry's business, legal and policy-making arenas have allowed him to execute some of its most innovative deals. For large banks, finance companies and government entities, Chris offers decades of experience in structured finance and securiti...

Mary Caskey is a Certified Bankruptcy and Debtor-Creditor Law Specialist and leads Haynsworth Sinkler Boyd's Recovery practice group. Mary represents national and regional banks, loan servicers and other financial service providers in a variety of issues including foreclosures, collections, adversary proceedings, workouts and loss mitigation, judgment collection and alleged violations of state and federal consumer law.

J. Leslie LaReau is a lawyer recognized by Best Lawyers in the practice areas of Tax Law and Trusts and Estates. J. Leslie practices law in Oklahoma City, Oklahoma Best Lawyers has recognized J. Leslie LaReau since 2012. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which J. Leslie LaReau is held by other lawyers.