Paul also represents clients in antitrust investigations conducted by the Department of Justice (DOJ), and civil antitrust investigations conducted by State Attorneys General. Additionally, he regularly trains clients on antitrust compliance issues, assisting them in revising their antitrust compliance programs.

For over 15 years, Paul has represented Japanese clients in all manner of projects, including global investigations, the development and implementation of global compliance programs, and projects of strategic importance.

Paul also represents clients in high-profile congressional investigations, including before the Senate Judiciary Committee, the Senate Permanent Subcommittee on Investigations, the House Energy and Commerce Committee, and the House Committee on Oversight and Government Reform.

Paul has served as lead appellate counsel in more than 100 cases in nearly all of the US courts of appeals and before the US Supreme Court, including handling cases at the certiorari and merits stages. Among other significant matters, Paul represented Arthur Andersen before the US Supreme Court in a case involving the interpretation of the Federal Arbitration Act. And, he won Pellegrino v. United States Transportation Security Administration before the en banc Third Circuit, a leading case on when victims can sue the TSA under the Federal Tort Claims Act.

In his role as the firm’s pro bono litigation partner, Paul works with senior management, and other stakeholders to identify and develop pro bono litigation projects in a wide array of substantive areas that impact the communities in which we work and live. Paul has been repeatedly recognized for his pro bono work, and work that Paul has led has been profiled in an award-winning documentary and at a national press club seminar. Most recently, the DC Bar recognized the firm’s Washington, DC office as the 2025 Pro Bono Law Firm of the year.

From 2002 to 2005, Paul served as an Assistant United States Attorney in the Appellate Section of the United States Attorney’s Office in the Western District of Pennsylvania. From 2005 to 2007, he worked as counsel to the US Senate Judiciary Committee, where he worked on the Senate confirmation hearings for two current Supreme Court justices. Paul has also served as a law clerk to the Honorable D. Brooks Smith, former Chief Judge of the US District Court for the Western District of Pennsylvania and former Chief Judge on the US Court of Appeals for the Third Circuit.

Paul has published articles in the National Law Journal, Roll Call, Executive Counsel, Corporate Counsel, the Yale Law Journal Pocket Part and the Vanderbilt Law Review. He has been quoted in top legal and business publications such as the Washington Business Journal, The Hill, Roll Call and Am Law Daily, and has served as a panelist at the National Press Club.

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• Represented a Fortune 500 healthcare company in an internal investigation tied to a Hepatitis C outbreak at a medical facility and coordinated the broader defense strategy
• Represented a Fortune 500 healthcare company in criminal and civil investigations arising from the murder of five patients by a rogue employee, resulting in no criminal or civil penalties against the company
• Represented a Fortune 500 healthcare company in a False Claims Act and Anti-Kickback Statute investigation that concluded with a successful settlement
• Successfully defended a former Majority Leader of the New York State Senate at trial and on appeal in United States v. Bruno
• Successfully represented Arthur Andersen before the US Supreme Court in Arthur Andersen v. Carlisle
• Successfully represented Nadine Pellegrino before the en banc Third Circuit in Pellegrino v. TSA
• Represented the Mattachine Society in Supreme Court amicus advocacy and subsequent FOIA litigation that led to release of FBI records concerning the firing of LGBT Americans under Executive Order 10450

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In the intellectual property arena, Thomas has acted as lead counsel in patent litigation across the country in a wide variety of industries, including pharmaceuticals, vaccines, diagnostics, medical devices and other industries, at the district court level and in the Federal Circuit. In addition, he has handled licensing and collaboration disputes, false advertising and false patent marking cases, as well as trade secret/non-compete cases.

In the commercial and administrative arena, Thomas has handled a wide range of matters extending from savings and loan goodwill cases to appeals of telecommunications regulations.

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• Acted as lead counsel for Bausch Health in patent litigation involving budesonide
• Acted as lead counsel for Solta Medical in series of patent litigations involving fractional laser technology
• Acted as lead counsel for Novartis Pharmaceuticals Corporation in case brought by Plexxikon, Inc. involving B-Raf inhibitors
• Acted as lead counsel for Novartis Pharma AG in patent litigation against Biogen Idec, Inc., Medimmune, LLC, and Alexion Pharmaceuticals, Inc., related to improved expression systems for recombinant proteins using CMV Promoter technology
• Acted as lead counsel for Novartis Vaccines and Diagnostics, Inc., in patent litigation against Microbix, Inc., related to an egg-based process for manufacturing flu vaccines, including acting as global coordinator of companion patent litigation in Germany and Italy
• Acted as lead counsel for Novartis Vaccines and Diagnostics, Inc., in arbitration proceedings against Ortho Clinical Diagnostics, Inc., for disputes arising out of a joint business agreement for the development and sale of diagnostic products to detect hepatitis viruses and human immunodeficiency viruses using recombinant DNA and antibody technologies
• Acted as lead counsel for Novartis Vaccines and Diagnostics, Inc., in a judicial appeal by Alphavax, Inc., of an adverse decision by the Board of Patent Appeals and Interferences in an interference proceeding relating to vaccination methods using alphaviruses
• Represented Novartis Vaccines and Diagnostics, Inc., in interference proceeding at the US Patent and Trademark Office against Sanofi on counts related to conjugate vaccines to prevent meningitis
• Acted as lead counsel for Alcon Laboratories, Inc., in a series of disputes with collaboration partners related to contact lenses and intraocular lenses designs
• Acted as lead counsel for CIBA Vision and Alcon Laboratories, Inc., in a series of Lanham Act/false advertising disputes related to contact lenses and intraocular lenses
• Acted as lead counsel for CIBA Vision Corporation in patent litigation against Johnson & Johnson Vision Care, Inc., related to silicone hydrogel contact lens technology, including acting as global coordinator of companion pan-European patent litigation
• Represented Wesley Jessen Corp. in patent litigation against Bausch & Lomb related to silicone hydrogel contact lens technology

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• Patexia, Top Hatch-Waxman Litigator, 2024

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In addition to counseling clients and defending them in trial courts and administrative proceedings, Kerry has argued cases in federal and state courts of appeal and in the United States Supreme Court. Many of his cases have set legal precedents.

Kerry was previously co-chair of the labor and employment group of an international law firm based in New York. Prior to that, he served as Deputy Assistant Attorney General in the Civil Rights Division of the US Department of Justice where he helped develop and enforce the Clinton administration’s civil rights agenda, supervised the successful litigation of numerous groundbreaking civil rights cases, and worked with top officials in other agencies on civil rights enforcement.

Prior to his government service, Kerry spent a combined 15 years with the NAACP Legal Defense & Educational Fund and the Washington Lawyers’ Committee for Civil Rights and Urban Affairs. During that time, he was successful in over 100 major cases and became a nationally recognized equal employment and fair housing attorney. Members of Congress and business leaders relied on Kerry’s expertise and worked closely with him on the enactment of bipartisan civil rights legislation, such as the landmark Civil Rights Act of 1991 and the Fair Housing Amendments Act of 1988.

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• Represented one of the world’s largest pharmaceutical corporations in a series of nationwide class actions involving the “outside sales” and “administrative” exemptions to the requirement to pay overtime wages.
• Achieved complete victories in two across-the-board employment class actions, one based on race and the other on national origin, at what was then the largest single-site employer in the country.
• Prevailed at trial, and then on appeal to the US Court of Appeals for the Eleventh Circuit, in a landmark case construing the limits of what a place of public accommodation must do to modify its policies to reasonably accommodate persons with disabilities.
• Successfully defended an entertainment company’s decision to prohibit the use of two-wheel, stand-up mobility devices on safety grounds, defeating objections to the policy by the US Department of Justice, 23 State Attorneys General, and several advocacy groups.
• Represented pharmaceutical company in California wage-and-hour class action, using on-site workplace inspections and interviews, and strategic discovery to undermine plaintiffs’ allegations that they were forced to work overtime, off-the-clock, and during meal and rest breaks.
• Prevailed in case of first impression in Illinois holding that parties to a class action settlement are not required by due process to go through the effort and expense of providing individual notice, instead of publication notice, to absent class members.
• Advised and defended companies throughout the COVID-19 pandemic regarding the enforcement of face mask and vaccination policies, including companies operating retail stores and theme parks.
• Represented one of the world’s largest information technology consulting companies against claims that a former Senior Vice President’s transfer and termination resulted from discrimination because of her race, gender, and age.

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• Benchmark Litigation 2016 to 2022
• Legal 500 USA 2020 and 2021
• United Cerebral Palsy 2007 Distinguished Service Award

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Mike also counsels clinical laboratories on state and federal compliance issues, including those under the Clinical Laboratory Improvement Amendments of 1988 (CLIA), state laboratory licensure laws, and billing and reimbursement rules.

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• Obtained favorable payment rates from Medicare for services paid under the Clinical Laboratory Fee Schedule and Physician Fee Schedule.
• Earned product-specific Healthcare Common Procedure Coding System (HCPCS) codes and transitional pass-through status for biopharmaceutical products.
• Engaged Center for Devices and Radiological Health leadership on issues related to proposed FDA oversight of LDTs, including continuation of enforcement discretion for certain clinical laboratory services.

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Chelsea represents clients in a wide variety of government audits and enforcement actions, including Medicare-related suspension and revocation actions. This experience has included developing and negotiating corporate integrity agreements, corrective action plans and self-disclosures. Chelsea also provides strategic advice to clients on general compliance as well as sector-specific regulatory issues, including clinical research compliance and DMEPOS supplier standards.

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• Provided strategic advice to private equity and other investors throughout the life cycle of a deal including transaction planning, structuring for compliance with regulatory and billing requirements, diligence evaluation and management as well as post-closing assessments, recommendations and execution
• Counseled clients on various clinical research compliance, contracting and compensation matters

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• American Bar Association
• DC Bar Association, Health Law Section

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Much of Joel’s practice is focused on working with private equity sponsors and their portfolio companies in the healthcare services industry, with a particular focus on PPM platforms. On the sell-side, he has extensive experience representing physician practice groups in transactions with private equity sponsors and PPM companies. He also regularly counsels hospital and post-acute provider clients on transactional and regulatory matters, including strategic joint ventures and affiliations. 

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• Represented USF in the acquisition of Genetics & IVF Institute (GIVF). 

• Represented Amulet Capital Partners in its acquisition of Theoria Medical. 

• Represented Lee Equity Partners in its partnership with Cardiovascular Institute of the South (CIS) to launch a national cardiovascular platform, Cardiovascular Logistics (CVL) and its subsequent partnerships with Clearwater Cardiovascular Consultants, First Coast Cardiovascular Institute, Capital Cardiology Associates, and Cardiology Consultants of Philadelphia, building CVL into a national network of physician-led cardiovascular practices. 

• Represented Lee Equity in its acquisition of Bradford Health, a leading substance use disorder treatment provider in the Southeast. 

• Represented TPG in its investments in Tryon Management Group (affiliate of Tryon Medical Partners) and AnovoRx Holdings, Inc. 

• Represented B-Flexion in its acquisition of Allergy Partners Management, the largest business support services platform focused on providing allergy and asthma physician practices with a full range of nonclinical services. 
• Represented Lindsay Goldberg, a New York-based private equity firm, in its acquisition and subsequent sale of PT Solutions, a leading multispecialty provider of physical therapy, and in the subsequent sale of the platform. 

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Jenn represents clients in state and federal courts nationwide, with a particular focus on False Claims Act litigation. Her practice includes qui tam and enforcement actions, including those involving managed care (Medicare Part D and Medicare Advantage), and she represents pharmaceutical companies, payors, and providers in high-stakes healthcare disputes. She also handles disputes for private equity-backed companies, including ownership and control disputes.

Beyond the healthcare space, Jenn represents clients in high-profile, bet-the-company litigation involving novel and highly contested liability issues and significant reputational risk.

Jenn is actively engaged in pro bono representations. She previously clerked for the Honorable Thomas F. Hogan of the US District Court for the District of Columbia.

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• Trial counsel for the defendants, major health system and named fiduciaries, in an ERISA class action; obtained rulings denying all injunctive relief and 97% of damages sought (US District Court for the District of Colorado (2020))
• Trial counsel for the plaintiff, the U.S. Conference of Mayors, in a breach of contract action; prevailed on all claims, obtaining a multi-million dollar verdict for the plaintiff and won award of attorneys’ fees. (US District Court for the District of Columbia (2018))
• Trial counsel for the defendant, the leading maker of office headsets, in a Sherman 1, Sherman 2, and Clayton Act antitrust action between direct competitors; McDermott was brought in to try the case shortly before trial and, despite an adverse inference instruction on spoliation that was ordered prior to the Firm’s involvement, the jury deliberated for an hour before returning a complete defense verdict (US District Court for the District of Delaware (2017))
• Trial counsel for the plaintiff, the market leader in specialty fig jam products, in a trade secret misappropriation, trademark infringement, counterfeiting, and conversion action; obtained a multi-million dollar verdict for the plaintiff. This was the first jury verdict under the federal Defend Trade Secrets Act of 2016. (US District Court for the Eastern District of Pennsylvania (2017))
• Trial counsel for the plaintiff, following the first day of a bench trial, obtained a settlement on very favorable terms (US District Court for the Eastern District of Virginia (2016))
• Trial counsel for the defendant, a leading pharmaceutical company, obtained a complete defense verdict in failure-to-warn case (US District Court for the Eastern District of North Carolina (2014))

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