Kirsten L. Nathanson

Mimi Y. Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Mimi Y., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mimi Y. is held by other top lawyers in the same geographic and legal practice area.

Lilah S. Rosenblum is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Lilah S., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lilah S. is held by other top lawyers in the same geographic and legal practice area.

Douglas B. Farquhar has more than 30 years of experience as a prosecutor and defense and regulatory attorney. Since joining the firm in 1997, he has advised pharmaceutical and medical device manufacturers and wholesalers, compounding pharmacies, and individuals on a wide range of enforcement activities, including consent decrees, criminal investigations, debarment issues, arbitration proceedings, civil seizures, FDA inspection issues, and injunctions. Mr. Farquhar has a broad-based understand...

Kurt R. Karst provides regulatory counsel to pharmaceutical manufacturers on Hatch-Waxman patent and exclusivity, drug development, pediatric testing, and orphan drugs. He helps clients develop strategies for product lifecycle management, obtaining approval, managing post-marketing issues, and defining periods of exclusivity. As the co-founder and primary author of Hyman, Phelps & McNamara's FDA Law Blog , Mr. Karst often leads the response to new rules and regulations, sharing his interp...

Sarah Moore Johnson is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Sarah Moore, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah Moore is held by other top lawyers in the same geographic and legal practice area.

Robert “Mike” Brock is a nationally recognized trial lawyer with 25 years of experience handling high-stakes, bet-the-business litigation. His practice focuses on representing pharmaceuticals and life sciences companies, particularly in product liability and mass tort cases. He has tried cases in a wide range of areas and has represented clients in antitrust, malpractice, toxic tort and securities class action litigation, as well as in other types of cases. Mike is a fellow of the...

James W. Woodlee is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law, Cannabis Law and FDA Law. James W., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James W. is held by other top lawyers in the same geographic and legal practice area.

Sanford W. Stark is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Sanford W., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sanford W. is held by other top lawyers in the same geographic and legal practice area.

W. Todd Baker is an IP litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Todd is experienced handling post-grant matters at the USPTO including all aspects of IPR proceedings at the USPTO's Patent Trial and Appeal Board (PTAB). He advises clients on issues of patentability, derivation, inventorship and priority related to post grant matters before the PTAB as a supplement or an alternative to traditional litigation-based patent validity challenges. Todd litigates...

Sara Mariska is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law. Sara, who practices law in Reston, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sara is held by other top lawyers in the same geographic and legal practice area.