Jennifer Helsel

Patricia M. Weaver is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Bet-the-Company Litigation, Commercial Litigation and Mediation. Patricia M., who practices law in Bethesda, Maryland, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Patricia M. is held by other top lawyers in the same geographic and legal practice area.

Bob Wellen, a partner of the firm, has practiced tax law for nearly 35 years. His practice involves planning, structuring and negotiating business transactions and representing taxpayers seeking private letter rulings from IRS and tax policy determinations from IRS and the Treasury Department and in controversies with IRS. He also serves as an arbitrator and as an expert witness in commercial disputes involving tax issues. Bob grew up in Jersey City, New Jersey. He graduated from Yale College...

Evan Pritchard is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Evan, who practices law in Alexandria, Virginia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Evan is held by other top lawyers in the same geographic and legal practice area.

Joseph L. Barloon is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Financial Services Regulation Law. Joseph L., 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 Joseph L. is held by other top lawyers in the same geographic and legal practice area.

Don King’s practice primarily involves representation of debtors, creditors, and committees in Chapter 11 reorganizations, and he also represents other types of debtors and creditors, particularly businesses and institutional lenders, in all phases of the bankruptcy process including workouts. Since 1991, he has served as a Chapter 7 Trustee in Bankruptcy for the Eastern District of Virginia, and he is currently head of the firm’s Bankruptcy & Creditors’ Rights practice....

Peter V. Lindsay is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Peter V., 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 Peter V. is held by other top lawyers in the same geographic and legal practice area.

Brenda Jackson-Cooper is a top attorney recognized by Best Lawyers in the practice area(s) of Closely Held Companies and Family Businesses Law. Brenda, 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 Brenda is held by other top lawyers in the same geographic and legal practice area.

Lynn L. Bergeson, Managing Partner of Bergeson & Campbell, P.C. (B&C®), has earned an international reputation for her deep and expansive understanding of the Toxic Substances Control Act (TSCA), the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), the European Union Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) regulation, and especially how these regulatory programs pertain to nanotechnology, industrial biotechnology, synthetic biology,...

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...

Raymond (Ray) A. Jacobsen, Jr., advises clients on mergers, acquisitions and complex antitrust litigation. He has significant experience in the defense, medical devices, biotech, consumer product, energy and health care industries. Ray is the global head of McDermott’s Antitrust Practice and serves on the Management Committee. Read full biography: https://www.mwe.com/people/jacobsen-raymond-a/