Mario Dávila Sánchez

With over 25 years of experience, Paulina do Amaral is a partner in Lieff Cabraser’s New York office and a senior member of the firm’s Mass Tort and Injury Practice Team. Paulina represents individuals, groups and classes in complex, multi-party litigation in state and federal courts and in multidistrict litigation throughout the U.S. Paulina’s current work includes representation of government entities in one of the largest pieces of civil litigation in history, In re: Nati...

Kim Rosetti is a partner in our New York City office, where she specializes in medical malpractice matters. She devotes her practice to the defense of hospitals, physicians, and nurses, seeing the matter through to trial and appellate procedures if necessary. Prior to joining HBS, Kim worked with a full-service Mississippi-based firm for 24 years. There, she defended medical malpractice, employment, Title VII, general premises, municipal liability, general insurance, school district, and tax ...

A seasoned and creative problem-solver, Isabelle Bibet-Kalinyak, Esq., concentrates her national healthcare practice representing clients in complex business transactions including private equity transactions, mergers, and strategic partnerships, HIPAA privacy and security compliance matters, ownership and compensation arrangements, employment and partnership negotiations, medical staff matters, and fraud and abuse issues including compliance with the Stark Law and the Anti-Kickback Statute. ...

Michelle L. Butler provides counsel on government pricing, health care, and FDA law in the area of prescription drugs and biologics. Across these practice areas, she specializes in the interpretation of complex regulations. Ms. Butler advises clients on changes in health care law and how these changes affect calculation and reporting across government pricing programs, specifically the Medicaid Drug Rebate Program, the 340B Program, the Medicare Part B Average Sales Price calculation, and the...

Edward B. Poitevent II is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law, Energy Regulatory Law, Mining Law and Oil and Gas Law. Edward B., who practices law in New Orleans, Louisiana, has been recognized since 2007. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Edward B. is held by other top lawyers in the same geographic and legal practice area.

Bill Barber has devoted his legal career to the field of trademark law, focusing primarily on trademark litigation and policing, handling cases in federal courts across the U.S. and before the U.S. Patent and Trademark Office. Experienced in all aspects of litigation, including jury and bench trials as well as appeals, Bill also handles domain name disputes through ICANN’s domain name dispute resolution policies. He regularly assists clients with a wide range of trademark needs, includi...

Tom Wyatt’s practice provides comprehensive and cost-effective service to a diverse client portfolio—from individuals to Fortune 500 companies—in litigation matters involving commercial and residential property development, land-use disputes, municipal interface and interference, complex commercial litigation, and products liability defense. Tom has successfully tried cases to the bench and the jury, achieving judgments for his clients that have been affirmed on appeal. Tom ...

Steven A. McKelvey, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Franchise Law. Steven A., who practices law in Columbia, South Carolina, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven A. is held by other top lawyers in the same geographic and legal practice area.

Sonya DuBree is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sonya, who practices law in Raleigh, North Carolina, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sonya is held by other top lawyers in the same geographic and legal practice area.

Karl A. Fritton is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Labor Law - Management. Karl A., who practices law in Philadelphia, Pennsylvania, has been recognized since 2001. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Karl A. is held by other top lawyers in the same geographic and legal practice area.