Jay Reiziss has an active practice in Section 337 intellectual property investigations before the US International Trade Commission (ITC), US Trade Representative and Customs, as well as in US federal courts.
- Certain Crafting Machines and Components Thereof, Inv. No. 337-TA-1426
- Certain Semiconductor Devices Having Layered Dummy Fill, Electronic Devices, and Components Thereof, Inv. No. 337-TA-1342
- Certain Electronic Devices Having Wireless Communication Capabilities and Components Thereof, Inv. No. 337-TA-1284
- IAM Patent 1000 – The World’s Leading Patent Practitioners, 2018-2025
- The Legal 500, Leading Lawyer, 2021-2022
- American Bar Association, Intellectual Property Law and International Trade sections
- American Intellectual Property Law Association
- ITC Trial Lawyers Association
- American University Washington College of Law, JD, magna cum laude
- Rutgers University, BA
- District of Columbia
- Maryland
- US Court of Appeals for the Federal Circuit
- US Court of International Trade
- US District Court for the Eastern District of Texas
- US District Court for the Northern District of Texas
- US District Court for the Central District of California

Daniel Powers
Daniel (Dan) Powers focuses his practice on antitrust litigation, counseling and regulatory matters. He assists clients in a variety of industries, including health care, pharmaceuticals, mobile communications, aerospace and defense.
- Antitrust counsel to Mountain States Health Alliance in obtaining, over FTC staff opposition, approvals with antitrust immunity from Tennessee and Virginia for merger with Wellmont Health System
- Defended a health care client in a DOJ Sherman Act Section 1 investigation, resulting in negotiation of a favorable settlement agreement
- Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2024-2026
- District of Columbia Courts, Capital Pro Bono Honor Roll, 2023
- The Legal 500 US, 2019
- American Bar Association, Antitrust Law Section
- American Health Lawyers Association
- Georgetown University Law Center, JD, cum laude
- Georgetown University, PhD, with distinction
- Georgetown University, MA, magna cum laude
- Williams College, BA
- District of Columbia
- Maryland
- US District Court for the Eastern District of Michigan
- English
- French

Lisa P. Rumin
Lisa P. Rumin focuses her practice on antitrust, regulatory and litigation matters. She assists clients across a variety of industries and has represented numerous clients in the healthcare, pharmaceutical, and biotechnology industries. Lisa advises clients on mergers and acquisitions, including obtaining clearance from the Federal Trade Commission (FTC) and Department of Justice (DOJ), as well as counsels clients on issues regarding antitrust compliance, pricing, and distribution. She also counsels clients on cartel prosecutions and defenses, including government investigations and the initiation and defense of civil class action litigation. Lisa is experienced in areas of e-discovery, document review and production for investigations before the FTC, DOJ and state attorneys general office.
- Antitrust counsel to Mountain States Health Alliance in obtaining, over FTC staff opposition, approvals with antitrust immunity from Tennessee and Virginia for merger with Wellmont Health System
- Represented several hospital systems in a Federal Trade Commission (FTC) and state attorney general merger investigations including in New York, Pennsylvania, and West Virginia
- Best Lawyers: Ones to Watch in America, Antitrust Law, 2026
- Legal 500 US, 2021 and 2023-2025
- District of Columbia Courts, Capital Pro Bono Honor Roll, 2023
- American Bar Association, Antitrust Section
- Exemptions and Immunities Committee, Young Lawyer Representative 2018-2019
- Membership Advocate 2018-2019
- Wake Forest University School of Law, JD, cum laude,, Order of the Coif
- Northwestern University, BA
- District of Columbia
- Missouri
- US District Court for the District of Columbia
- US District Court for the Eastern District of Michigan

Alexander P. Ott
Alexander (Alex) P. Ott focuses his practice on litigating complex patent disputes and representing clients in a variety of high technology industries, including the semiconductor, consumer electronics, telecommunications, pharmaceutical and software industries. He is a registered patent attorney with significant experience in patent prosecution matters. Alex has represented clients in federal district courts, in Section 337 investigations before the US International Trade Commission (ITC), in inter partes review (IPR) and post-grant review (PGR) proceedings at the US Patent and Trademark Office, and before the US Court of Appeals for the Federal Circuit.
- Representing Analog Devices in the District of Massachusetts in a patent case regarding semiconductor manufacturing technologies
- Represented Analog Devices in the District of Massachusetts in a trade secrets and breach of contract case regarding thermoelectric cooler controllers
- Represented Feit Electric Co. in a Section 337 investigation at the ITC related to filament light-emitting diodes
- Legal 500 US, 2021
- Super Lawyers, Washington, DC, “Rising Star” in Intellectual Property Litigation, 2014 to 2020
- Tulane University Law School, JD, Electrical Engineering, cum laude
- Georgia Institute of Technology, BS
- District of Columbia
- Maryland
- US Court of Appeals for the Federal Circuit
- US Court of Appeals for the First Circuit
- US District Court for the District of Columbia
- US District Court for the Northern District of Texas
- US District Court for the Western District of Texas
- US Patent and Trademark Office

Caitlin M. Orr
Caitlin M. Orr focuses her practice on private client matters for ultra-high net worth individuals and their families. She advises clients on all aspects of estate and wealth transfer planning, and on a broad range of tax issues, including income, gift and estate tax planning for individuals, businesses and charitable organizations. Caitlin has broad experience analyzing estate, gift and generation-skipping transfer (“GST”) taxation issues, counseling individuals and their families concerning their wealth management and estate planning needs, preparing primary estate plans (including wills, revocable and irrevocable trust agreements, powers of attorney and advance directives), probating complex estates, and advising fiduciaries in connection with administration of trusts and estates.
Caitlin has significant experience implementing sophisticated wealth transfer transactions for clients (including installment sales to intentionally defective grantor trusts and grantor retained annuity trusts) and advising clients regarding liquidity planning for potential estate tax consequences. She prepares and reviews federal gift, estate and GST tax returns and advises clients on making relevant elections and optimal allocations of GST tax exemption. She assists clients in requesting and obtaining favorable rulings from the Internal Revenue Service, including requests for relief to address errors in prior allocations of GST exemption. She also assists clients in requesting and obtaining favorable rulings from state tax authorities on estate and fiduciary income tax issues. Caitlin advises clients on techniques for repairing “broken” trusts and estate plans through nonjudicial settlements, decantings, and judicial modifications and reformations, and helps clients navigate related tax and state law issues. She also advises private clients on charitable planning, including establishment of private foundations and charitable lead and remainder trusts.
- Best Lawyers in America, Trusts and Estates, 2026
- Chambers High Net Worth, District of Columbia: Private Wealth Law, 2024-2025
- American College of Trust and Estate Counsel (ACTEC), Fellow
- Emory University School of Law, JD
- University of Georgia, MAcc 2007
- University of Georgia, BBA
- District of Columbia
- Virginia

David G. Noren
David G. Noren focuses his practice on international tax planning for multinational companies. David advises clients on a wide range of “outbound” and “inbound” issues, with a particular focus on the subpart F anti-deferral rules, the application of bilateral income tax treaties, and the treatment of cross-border flows of services and intellectual property rights under transfer pricing and other rules.
- Best Lawyers in America, Tax Law, 2021-2027
- Chambers USA, 2016-2017 and 2023-2026
- Legal 500 US, 2016 to 2019, 2023-2025
- International Tax Review, World Tax, 2017-2018, 2023-2026
- Washingtonian, Top Lawyers, Tax, 2024
- American College of Tax Counsel, fellow
- District of Columbia Bar, Taxation Section, International Tax Committee, past vice chair and chair, 2013 to 2019
- Harvard Law School, JD, magna cum laude
- Stanford University, AB, with distinction
- District of Columbia
- Illinois

Caroline H. Ngo
- Advises US and non-US multinationals on corporate and international tax matters
- Guides clients through acquisitions, dispositions, post-acquisition integrations, and internal cross-border restructurings
- Advises on intangible holding companies, financing structures, supply chain planning, foreign tax credits, and cash repatriation strategies
Caroline H. Ngo co-leads the firm’s International Tax Affinity Group. She represents publicly traded and other large multinational corporate clients in US and international tax matters.
Caroline focuses her practice on planning, consulting, and advocacy work for US- and foreign-parented multinational companies. She guides clients through acquisitions, dispositions, post-acquisition integrations, and internal cross-border restructurings. She also advises clients on intangible holding companies, financing structures, supply chain planning, foreign tax credits, and cash repatriation strategies. Additionally, she counsels clients on US income tax treaty qualifications and treaty benefits.
- Best Lawyers in America, Tax Law, 2023-2027
- Chambers USA, Tax, 2021-2026
- Legal 500 US, 2017-2026
- International Review Tax, World Tax, 2026
- Washingtonian, Top Lawyers, Tax, 2024
- Law360 Rising Tax Star (“Top 40 Under 40”), 2019
- Law360, Tax Authority International Editorial Advisory Board, 2024-2026
- American College of Tax Counsel, fellow
- Washington International Tax Study Group, member
- International Fiscal Association, DC Regional Council, member
- Cornell Law School, JD
- University of Virginia, BS
- District of Columbia
- English

Sam Crockett Neel
Sam Neel represents clients in complex civil, criminal and administrative matters. He represents clients in litigation, congressional investigations, grand jury investigations and administrative audits and inquiries. He also advises political candidates, individuals, corporations, non-profit organizations, trade associations and PACs on campaign finance, lobbying, pay-to-play and Foreign Agents Registration Act (FARA) issues.
Government & Internal Investigations
- Represented clients before the US House Select Subcommittee on the Coronavirus Crisis, US Senate Judiciary Committee, US Senate Permanent Subcommittee on Investigations (PSI), the US House Committee on Oversight and Government Reform and the US House Committee on Science, Space and Technology
- Represented government officials, companies, corporate executives and individuals in responding to federal grand jury subpoenas and defended clients during interviews with the DOJ and other federal agencies in connection with investigations into various issues, including public corruption, wire and bank fraud, money laundering, FCPA and FARA violations, kickbacks and illegal campaign contributions
- Conducted an internal investigation for a publicly traded technology company’s board audit committee into accounting issues, including revenue recognition, internal controls and senior management conduct. Representation included advising the audit committee in connection with a related SEC investigation
- Best Lawyers in America: Ones to Watch, Alternative Dispute Resolution, 2023-2025
- Thomson Reuters, Stand-out Lawyer – independently rated lawyers, 2023-2024
- District of Columbia Courts, Capital Pro Bono Honor Roll, 2023
- American University Washington College of Law, JD, cum laude
- Vanderbilt University, BA
- District of Columbia
- US District Court for the District of Columbia

Michael S. Nadel
Serves as first-chair trial counsel in jury trials and arbitrations involving breach of contract, trade secret misappropriation, fraud, breach of fiduciary duty, patent and trademark infringement, False Claims Act, unfair competition, defamation, and deceptive trade practices matters
Advises and represents ultra-high-net-worth families in contentious intrafamily disputes, including guardianship, conservatorship, and trusts and estates battles
Michael S. Nadel is a first-chair trial lawyer, litigator, and advisor to businesses and ultra-high-net-worth families. He solves clients’ most difficult and sensitive problems.
Michael has won jury trials and arbitrations involving breach of contract, trade secret misappropriation, fraud, breach of fiduciary duty, patent and trademark infringement, the False Claims Act, unfair competition, defamation, and deceptive trade practices.
He won the first jury verdict obtained by any litigant under the Defend Trade Secrets Act, the federal trade secret statute. Recently, Michael won mission-critical victories for clients in the fields of technology, healthcare, and health data licensing. He also engineers successful outcomes in contentious intrafamily and disputes and has won guardianship, conservatorship, and trusts and estates battles.
Outside the courtroom, Michael leverages his more than 25 years at McDermott to marshal the firm’s global resources for transactions, criminal and internal investigations, and crisis management efforts.
- Allscripts Healthcare / Veradigm v. Decision Resources Group / Clarivate (D. Mass.) — Lead trial counsel in for plaintiff in contract dispute involving licensing of de-identified electronic health records data and health claims data (Real World Data). Won jury verdict for breach of contract following three-week trial. Defeated all counterclaims. Prevailed in post-trial injunction proceeding. Won award of attorneys’ fees.
- Komodo Health Real World Data Litigation (arbitration) — Lead counsel for licensor in health claims data licensing dispute with Komodo Health. Following two-week evidentiary hearing and the cross-examination of Komodo’s CEO, won dismissal of all of Komodo’s claims, including its claims for a declaratory judgment that Komodo had not breached the subject license agreement, breach of contract, breach of warranty, defamation, unfair competition, and violations of state unfair business practice statutes.
- Dalmatia Import Group v. FoodMatch (E.D. Pa.) — Lead trial counsel for plaintiff in four-week jury trial on trade secrets, trademark infringement, and defamation claims. After winning verdict, won trebling of damages and secured permanent injunction.
- Washington, DC, Super Lawyer, 2013 to 2021
- The Legal 500 United States, 2018
- B’nai B’rith Youth Organization (BBYO), past national board member and DC board chairperson
- Repair the World, past board of directors member
- George Washington University Law School, JD, with honors
- University of Pennsylvania, BA, cum laude
- District of Columbia
- Maryland
- US Court of Appeals for the District of Columbia Circuit
- US Court of Appeals for the Second Circuit
- US Court of Appeals for the Fourth Circuit
- US Court of Appeals for the Sixth Circuit
- US Court of Appeals for the Seventh Circuit
- US Court of Appeals for the Federal Circuit
- US District Court for the District of Columbia
- US District Court for the Northern District of Illinois
- US District Court for the District of Maryland
- US District Court for the Eastern District of Texas
- US District Court for the Northern District of Texas
- US District Court for the Western District of Texas
- US Court of Federal Claims
- District of Columbia Court of Appeals
- Supreme Court of Maryland
- English

Kate McDonald
Advises health insurers, HMOs, provider organizations, and private equity funds on complex regulatory matters and healthcare M&A
Counsels clients on Medicare Advantage, Medicare Part D, and Medicaid managed care programs
Helps innovative companies navigate state risk-bearing regulations and structure transactions involving federal and state healthcare programs
Advises healthcare companies on District of Columbia certificate of need (CON) laws, including CON approvals for new services, ownership changes, and facility closures
Kate McDonald provides strategic advice to healthcare organizations, investors, and innovators navigating the regulatory and contractual frameworks that govern how healthcare is financed, reimbursed, and delivered in the United States. She helps clients achieve business objectives, launch new products and services, evaluate acquisitions, and structure strategic relationships while navigating complex federal and state healthcare requirements.
- Represented CVS Health Corp. in connection with its approximately $70 billion acquisition of Aetna Inc., leading a multidisciplinary team of McDermott lawyers advising on health regulatory, tax, real estate, intellectual property, IT, and other matters
- Led a multidisciplinary regulatory due diligence team in connection with a $400 million acquisition of an independent medical group
- Served as lead health regulatory counsel to InnovAge (Nasdaq: INNV) in connection with its initial public offering
- Chambers USA, 2026
- The Best Lawyers in America, Healthcare Law, 2023-2026
- Legal 500 US, Next Generation Partner, Healthcare: Health Insurers, 2024-2025
- Washingtonian, Top Lawyers, Healthcare, 2024
- Law360, Rising Star in Healthcare, 2023
- National Women’s Law Center, Leadership Advisory Committee, member
- DC Bar, Health Law Section, member
- Georgetown University Law Center, JD, cum laude
- University of North Carolina at Chapel Hill, BA, with highest honors
- District of Columbia
- English