Maria-Leticia Ossa-Daza

Roger E. Barton is the Managing Partner of Barton LLP. He applies his management expertise and over 30 years of experience to lead a firm that is dedicated to providing its clients with quality and results through a practical and business-minded approach. Roger is an accomplished litigator with an international reputation for achieving outstanding results for his clients. He has been rated by The American Lawyer, Corporate Counsel Magazine and the National Law Journal as one of the Top Commer...

David Cohen works as science counsel in the defense of product liability and mass tort litigation. Building upon his early success at the fen-phen Daubert hearing in Philadelphia federal district court, David has spent the past two decades battling junk science allegations of general and specific causation, design defect, and failure to warn. He has cross examined more than 125 treating physicians and expert witnesses at deposition and evidentiary hearings. His team at Butler Snow includes la...

Mr. Federgreen provides advice in connection with a wide range of real estate transactions, presenting clients with strategic options to meet their business goals. Mr. Federgreen has represented clients in real estate transactions, including: commercial, industrial, retail, and ground leases for both landlords and tenants acquisitions and sales of vacant land, vacant buildings, and occupied buildings, including office buildings, industrial buildings, retail centers, and lodging, as well as pe...

Jonathan D. Ball, Ph.D. is a shareholder with 20 years of experience representing clients in intellectual property matters, with an emphasis on patent litigation and contentious Patent Office proceedings. He also has wide-ranging experience in patent portfolio management, prosecution and licensing, and helps companies develop and implement worldwide IP strategies. Dr. Ball has served as lead counsel in patent cases in Federal District Courts throughout the United States. He has litigated nume...

For more than forty years, Mr. Hazan has specialized in all aspects of bankruptcy throughout the country, including representing creditors' committees in many major chapter 11 cases in a wide variety of industries. These cases include Kmart, Macy's, Northwest Airlines, US Airways (I and II), Caldor Department Stores, BiLo Supermarkets, Ames Department Stores, Venture Stores, Natrol, Quiznos, Sbarro I, Penn Traffic (I and II), Terrestar Networks, Warnaco, Fruit of the Loom, Biderman Industries...

Ellen Goodwin is a partner in the firm’s 60-lawyer Real Estate Finance & Investment Group, the former co-chair of the Group and resident in the New York office. Ms. Goodwin concentrates her practice on commercial real estate finance and has represented investment banks, commercial banks, funds and insurance companies on a variety of loan transactions for both securitizations and portfolios, including construction loan financings, loan syndications and participations, co-lending and ...

Amy Erenrich Heller is a lawyer recognized by Best Lawyers in the practice area of Trusts and Estates. Amy Erenrich practices law in New York, New York Best Lawyers has recognized Amy Erenrich Heller since 2020. 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 Amy Erenrich Heller is held by other lawyers.

Michael M. Rosensaft is a lawyer recognized by Best Lawyers in the practice area of Criminal Defense: White-Collar. Michael M. practices law in New York, New York Best Lawyers has recognized Michael M. Rosensaft 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 Michael M. Rosensaft is held by other lawyers.

Erica Berthou P.C. is a lawyer recognized by Best Lawyers in the practice area of Private Funds / Hedge Funds Law. Erica practices law in New York, New York Best Lawyers has recognized Erica Berthou P.C. since 2025. 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 Erica Berthou P.C. is held by other lawyers.

Frederick D. Braid represents management in the practice of labor and employment law, and leads Holland & Knight’s New York practice group. He has represented employers in the private sector for his entire career with respect to all aspects of labor relations and employment law, including counseling and litigation with respect to union organizing activity; collective bargaining and contract administration; grievance and interest arbitration; acquisitions, closures, relocations, rest...