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Daniel Prywes

Daniel I. Prywes

Phone: 202.971.4182
Fax: 202.408.5146

Dan Prywes is a Partner in the firm’s Litigation Practice. Mr. Prywes routinely litigates disputes in a variety of legal areas, including contract and employment, antitrust, securities, whistleblower defense, intellectual property, non-compete restrictions, partnerships, government contracts, insurance and banking. He has represented technology companies, trade associations, universities, government contractors, distributors, telecommunications firms, retailers, energy firms, financial institutions, individuals, and others.

Mr. Prywes has litigated in state and federal trial and appellate courts, state and federal administrative agencies, arbitration panels, and in the U.S. Supreme Court.

Mr. Prywes has written and spoken on an array of topics, including social media and privacy, employment law, antitrust issues involving standardized products, international claims, litigation strategy, and electronic discovery. He has been quoted by leading national newspapers and news services, and has appeared on television and radio programs to discuss legal developments.


  • Selected, Chambers USA, Litigation Practice: General Commercial: Highly Regarded, District of Columbia, 2021
  • Selected, Best Lawyers, Litigation: Labor and Employment, 2019 – 2024
  • Client Choice 2017 Award, Litigation, Washington, D.C.


  • "Entering the Lion's Den: Should In-House Counsel Meet with Government Investigators?" CEP Magazine (co-author with Robert Lindquist), June 2019
  • "Will Your Tweet Hold Up in Court?" Lawyer Monthly, August 31, 2018
  • "Viewpoint: Sexual Harassment Policy? Here's Where to Start," Washington Business Journal, January 4, 2018
  • "Mandatory Resort Fees Are Under Attack, Again,", November 14, 2017 (co-author with Lawrence Kunin)
  • "Washington, D.C., Finalizes Paid-Family-Leave Law," SHRM, February 8, 2017 
  • "All Whistleblowers Don't Wear Halos; Toward a Better SEC Program," Bloomberg Briefs, December 9, 2016
  • "Planning for University Crisis Management: The Seven-Step Approach," Planning for Higher Education Journal, October-December 2015 (co-author with Scott Sobel)
  • "Patent Hold-Up: Down But Not Out," ABA Antitrust, Summer 2015 (co-author with Robert Bell)
  • “Politics in the Private-Sector Workplace: Coexistence or Collision?”Bloomberg BNA Daily Labor Report, June 25, 2015 (co-author with Joshua James)
  • “Review Practical Advice on Mixing Law and Media Successfully to Manage University Crises,” Dean & Provost (J. Wiley), June and July 2015 (co-author with Scott Sobel)
  • “A National Data-Breach Notification Standard: Why Federal Preemption is Imperative,” Washington Legal Foundation Legal Backgrounder, May 8, 2015 (co-author with John Bush)
  • “Limitation-of-Liability Clauses in Commercial Contracting: Ironclad or Leaky Sieve,” ACC Docket, May 2015 (co-author with Robert Lindquist)
  • Co-Author, "Discovery of a Plaintiff's Mental State on Social Media in Employment Litigation: How Far Can You Go?" BNA Social Media Law & Policy Report, September 2014
  • Co-Author, "Proceed At Your Peril: Questions Abound With New State Laws Restricting Employer Access to Employees’ Personal Social Media Accounts," BNA Social Media Law & Policy Report, June 2013
  • "Should You Ask Job Applicants or Employees for Their Social-Media Passwords?," Bloomberg BNA Electronic Commerce & Law Report, April 2012  
  • "Dealing with Cybersmears," Human Resource Executives Online, April 2010
  • "Electronic Privacy in the Workplace," The Corporate Counselor, February 2010
  • "Election 2008:  What Private Employers and Their Employees Need to Know About Political Activity In and Out of the Workplace," BNA Workplace Law Report, Feb. 8, 2008 (co-author)
  • "A Safety Zone for the Ex Ante Communication of Licensing Terms at Standard-Setting Organizations," The Antitrust Source, March 2006 (co-author with John J. Kelly)
  • "The Sarbanes Oxley Act Raises the Stakes for E-Records Management,"Digital Discovery & e-Evidence, October 2002 (co-author with Steven Crimmins)
  • "Discovery of Electronic Records: Preparing for the Inevitable," The Brief,Summer 2002
  • "Make Sure Your Bytes Don’t Bite: Develop a Plan," Digital Discovery & e-Evidence, July 2002 (co-author with Robert Lindquist)
  • "Standard-Setting Disputes: The Need for FTC Guidelines," FTC: Watch, March 25, 2002 (co-author with David Balto)
  • "Patent Ambushes and Licensing in Computer Standard-Setting Groups," Antitrust Report, March 2001, LEXIS Publishing
  • "‘Stealth’ Patent: FTC’s Complaint Against Dell Computer & Beyond,"Computer Law Strategist, December 1995
  • "Defending Your Intellectual Property Rights in Today’s World Economy: A Primer on the International Trade Commission," Journal of the American Corporate Counsel Association, July /August 1995 (co-author with Robert Lindquist)
  • "ATM-Related Antitrust Developments," The Business Lawyer, May 1991
  • "ATM Network Restraints on Surcharges," The Business Lawyer, June 1990
  • "Antitrust Challenges to Interchange Fees in Shared ATM Networks," The Business Lawyer, May 1989
  • "Disqualifying the Opponent: Straight Talk on Tactical Motions," Inside Litigation, January 1988
  • "The ‘Small’ Iran Claims: Present Status and Future Prospects," Middle East Executive Reports, January 1987
  • "Allocating Sovereign Risk Between Foreign Branches of U.S. Banks and Their Depositors," International Business & Trade Law Reporter,March/April 1986 (co-author with Whitney Debevoise)

Speaking Engagements

  • "Entering the Lion's Den: Should In-house Counsel and Compliance Officers Meet with Government Investigators," Society of Corporate Compliance and Ethics webinar, September 25, 2019
  • “Social Media Use in Claims Handling,” presented to Reinsurance Association of America’s program “Reinsurance Education Institute Re Claims 2017,” New York, October 12, 2017
  • "The Telephone Consumer Protection Act: What Every Counsel Should Know to Avoid Surprise Liability," webinar sponsored by CELESQ AttorneysEd Center, February, 16, 2017 (with Joshua Mize)
  • “Practical Advice for Foreign Parties Facing Civil Litigation in the  United States,” presented to Institute for U.S. Law, Washington, D.C., August 2, 2016 (with Bonnie Rothell)
  • "Politics in the Private-Sector Workplace:  Coexistence or Collision," webinar sponsored by CELESQ AttorneysEd Center, June 9, 2016
  • "Current Issues with Whistleblower-Retaliation Claims:  A Guide for In-House Employment and Corporate Attorneys," webinar sponsored by CELESQ AttorneysEd Center, May 25, 2016
  • "Monitoring Employee Use of Computers, Phones, Social Media and More: Latest Developments for In-House Corporate and Employment Lawyers," webinar sponsored by CELESQ AttorneysEd Center, January 26, 2016      
  • "That’s What FRANDS Are For," Loyola University School of Law, Stout Risius Ross 2015 Intellectual Property Symposium, Chicago, Illinois, November 5, 2015




  • Member, National Association of College and University Attorneys (NACUA)
  • Member, American Bar Association

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