Sergio F. Oehninger

Mark W. Schweighofer is a lawyer recognized by Best Lawyers in the practice areas of Business Organizations (including LLCs and Partnerships) and Tax Law. Mark W. practices law in Rockville, Maryland Best Lawyers has recognized Mark W. Schweighofer 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 Mark W. Schweighofer is held by other lawyers.

Ian represents companies, executives, and fiduciaries in connection with Employee Retirement Income Security Act (ERISA) litigation, employee benefits and executive compensation matters, class actions, and other commercial disputes. Trained as a trial lawyer, Ian has focused almost exclusively on employee benefits related litigation for the past 15 years. What do you focus on? I focus my practice on ERISA litigation. With broad experience in this area, I help defend plans, fiduciaries, and co...

As a trial lawyer for over 30 years, Bruce Blanchard understands the pressure, expense, frustration, and uncertainty that litigation imposes upon a client. In order to achieve a desired outcome in court, Bruce works with his clients to define their priorities and develop a strategy that achieves the clients’ objectives. He brings common sense, an affinity for people, and a commitment to ethics in both his civil and criminal practice. Bruce believes hard work, preparation, and identifica...

Sally Ann Hostetler is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation and Litigation - Construction. Sally Ann practices law in Reston, Virginia Best Lawyers has recognized Sally Ann Hostetler since 2024. 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 Sally Ann Hostetler is held by other lawyers.

Adam is co-chair of the International Trade Commission (ITC) Section 337 Team. Adam’s ITC experience is incomparable, scoring major victories in patent, trademark, gray market, counterfeiting, unfair competition, and antitrust litigation before the ITC, obtaining exclusion orders against several respondents, obtaining the largest civil penalty awarded in ITC history, and defending a number of large companies on the defensive side. He has also represented several clients in proceedings b...

Sara W. Koblitz advises FDA-regulated clients on a range of issues with a particular focus on Hatch-Waxman patent and exclusivity, biosimilars, and the Orange Book. She helps drug and device manufacturers in various stages of product development and guides clients through the applicable regulatory requirements with respect to applications and submissions, device classification, potential exclusivities, promotional issues, and post-marketing requirements. Ms. Koblitz also counsels cosmetics, f...

Arthur (Art) Garrett is Keller and Heckman’s General Counsel and co-chair of the firm’s national litigation practice. He advises clients on insurance recovery, with an emphasis on the representation of food industry policyholders in and out of court. Art specializes in advising food companies on their liability insurance programs, including GL, D&O, E&O, Excess/Umbrella, first-party property, and specialized insurance policies, such as product contamination insurance and m...

Charles S. Henck is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Charles S. practices law in Washington, District of Columbia Best Lawyers has recognized Charles S. Henck since 2008. 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 Charles S. Henck is held by other lawyers.

Kirsten Grüneberg is a lawyer recognized by Best Lawyers in the practice areas of Biotechnology and Life Sciences Practice and Patent Law. Kirsten practices law in Tysons, Virginia Best Lawyers has recognized Kirsten Grüneberg since 2024. 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 Kirsten Grüneberg is held by other lawyers.

J. Mark Poerio is a lawyer recognized by Best Lawyers in the practice area of Employee Benefits (ERISA) Law. J. Mark practices law in Washington, District of Columbia Best Lawyers has recognized J. Mark Poerio since 2013. 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. Mark Poerio is held by other lawyers.