Paul W. Kisslinger is a partner in the Washington, D.C. office of Lewis Brisbois, chair of the firm’s SEC Enforcement & Litigation Practice, co-chair of the firm's Securities Class Action Defense Practice, and member of the Government Investigation & White Collar, Complex Business & Commercial Litigation, and Securities Litigation & FINRA Practices.

Paul has extensive experience in the private and public sectors successfully guiding clients through the choppy waters of regulatory enforcement actions brought by securities and other financial services regulators, internal and external investigations, and legislative inquiries. He also has extensive first chair trial experience representing clients in numerous federal and state jury and bench trials and appeals, administrative proceedings, and national/international arbitrations. Most recently, he has been active defending clients from investigations and inquiries brought by DOJ and federal agencies under the False Claims Act in the areas of health care and PPP loan enforcement.

Prior to joining Lewis Brisbois, Paul was Assistant Chief Litigation Counsel for the Enforcement Division of the Securities and Exchange Commission, where he investigated, ran, and tried some of the SEC’s most complex cases which covered the entire range of the SEC’s portfolio, including public company disclosures; corporate governance; public accounting and auditing standards; bribery and corruption (FCPA); market manipulation and offering fraud; insider trading; and matters involving SEC registrants (broker-dealers, investment advisers, accountants, attorneys, mutual funds, and private equity funds). Paul also partnered with state, federal, and international law enforcement authorities and self-regulatory organizations (SROs) in their parallel investigations and prosecutions of civil and criminal actions.

In 2019-2020, Paul completed a detail as Counsel to the U.S. House of Representatives, Committee on Oversight and Reform, where he advised and assisted Committee members and senior staff in high-profile investigations and legislative hearings.

Prior to joining the SEC, Paul practiced at two national law firms where he represented public and privately-held corporate clients in a broad spectrum of commercial and corporate litigation, internal and external investigations, and regulatory enforcement matters.

Paul is an frequent speaker and writer, is active in community, nonprofit, and business organizations, and is an Adjunct Professor for the George Washington School of Law.

Publications/Media Mentions


Guest Speaker, "Legal Docket, Moneybeat, and a New York orchestra in North Korea," The World and Everything In It, February 26, 2024

Professional Presentations

  • Presenter, “SEC Enforcement Update,” VSCPA Webinar, February 17, 2023
  • Presenter, "What Makes a Good Expert," Securities Experts Roundtable – 2019 Annual Conference, July 2019
  • Presenter, "Mid-Year Round Up,” DC Bar - Committee on Broker Dealer Regulation and SEC Enforcement, June 2018


  • State Bar Admissions
    • District of Columbia
    • New Jersey
    • Pennsylvania

Representative Matters

  • Representing regional bank in SEC investigation related to crypto asset financial crisis
  • Representing bio-tech company and current/former executives in SEC and Nasdaq investigations related to FDA approval process
  • Defending former big-tech sales executive in SEC insider trading investigation
  • Representing energy company in SEC investigation related to outside audit 
  • Representing executive of publicly traded manufacturing company in SEC investigation relating to accounting restatement
  • Representing group of health care providers in DOJ False Claims Act investigation relating to application and use of PPP funds
  • Representing durable medical equipment manufacturer in DOJ False Claims Act investigation relating to CMS billing practices
  • Representing bio-tech company in complex commercial dispute relating to SPAC funding transactions
  • Representing telemedicine health company in wide range of corporate and securities matters
  • Advising foreign investment adviser and broker-dealer in strategies for registering and doing business in the U.S.
  • Advising financial firm in the business of selling securities swaps in the U.S.
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