Brian Weimer is a corporate partner in the firm's Washington, DC office and Head of the firm's Telecommunications Team

Areas of Practice

Mr. Weimer acts as corporate and regulatory counsel to telecommunications companies in M&A and financing matters and also advises on Federal Communications Commission (FCC) regulatory issues presented by these transactions. Mr. Weimer has over twenty years of experience practicing before CFIUS. He has been selected for inclusion in Best Lawyers in America for Communications Law and is routinely recognized by Chambers.




  • CFIUS counsel to Xerox in connection with its transformative transaction with Fuji.
  • CFIUS counsel to Ness in connection with the sale of the company to HNA Group (now in ground-breaking litigation).
  • CFIUS counsel to Belgacom in connection with the acquisition of a US-based software company.
  • CFIUS advice to Astra Capital Management in connection with acquisition of a U.S.-based telecom operator.
  • CFIUS advice to a global satellite operator in connection with foreign investment into its U.S.-based subsidiary.
  • CFIUS advice to Symantec in connection with the sale of the Veritas information management business to the Carlyle Group, an $8B transaction.
  • CFIUS and FCC counsel to Providence Equity Partners in its acquisition of SRA.
  • CFIUS counsel to Keane International in its acquisition by NTT DATA Corporation.
  • CFIUS counsel to European private equity group BC Partners connection with the $16B leveraged buyout of Intelsat, the world's largest fixed satellite service provider.
  • CFIUS advice to Apollo Global Management in connection with the acquisition of a satellite company.



Washington, D.C. Super Lawyer, 2018

Recognized Practitioner, Telecommunications, Chambers USA, 2017

Media, Technology and Telecoms, Legal 500, 2010-2017

Best Lawyer in America, Best Lawyers, 2014-2018

Legal Elite, SmartCEO Magazine, 2011



FCC Law Blog Posts

Speaking Engagements

  • Panelist, We Found a Breach During Due Diligence - Now What Do We Do?, M&A Conference at Wharton San Francisco (May 16, 2018).
  • Moderator, Angels, Incubators, and Early Stage Venture Capital, Space 2.0 Conference, Silicon Valley, CA (April 26, 2017).
  • Moderator, Legal Mechanisms for Facilitating Space Collaboration, 5th Annual Space and Satellite Regulatory Colloquium, Washington, DC (October 20, 2016).
  • Panelist, Emergent Space Systems: Regulatory Considerations, SSPI's Emergent Technologies Discussion, Washington, DC (June 2016).
  • Guest Speaker, 4th Annual Space and Satellite Regulatory Colloquium, Washington, DC (October 2015).
  • Panelist, Disruption in Space and Telecommunication, American Bar Association's Forum on Air and Space Law, Washington, DC (June 2013).
  • Moderator, Tribal Telecommunications Hurdles and Opportunities, NAFOA Conference, New Orleans, LA (March 2012).
  • Panelist, The Battle Over Spectrum and Its Implications for the Future of MSS Networks, Satellite 2012 Conference, Washington, DC (March 2012).
  • San Diego Daily Transcript, George Chamberlin Interview with Michael Altschul, Brian Weimer, San Diego Source, San Diego, CA (October 2011).
  • Panelist, Opportunities and Threats for a New Decade, Satellite 2010 Conference, Washington, DC (March 2010).
  • Moderator, Satellites, Broadcasting, and Cable TV, Satellite 2007 Conference, Washington, DC (February 2007).
  • Panelist, Hybrid Wireless Technologies, International Satellite Conference and Expo, San Diego, CA (June 2006).
  • Moderator, Managing Risk in a Risky Business, Satellite 2006 Conference, Washington, DC (February 2006).
  • Panelist, Mobile Satellite: New Systems, New Opportunities, Satellite 2005 Conference, Washington, DC (March 2005).
  • Guest Speaker, Media Ownership and the Information Battlefield, on National Public Radio's WBUR, Boston, MA (January 2003).
  • Panelist, Telecom Deals: M&A, Regulatory and Financing Issues, Practicing Law Institute, New York, NY (July 2000).


Digital Media


J.D., Georgetown University Law Center, 1995, Olin Fellow in Law & Economics

B.A., University of Chicago, 1990, Phi Beta Kappa


  • Delaware
  • Maryland
  • District of Columbia
Jump to Page

By scrolling this page, clicking a link or continuing to browse our website, you consent to our use of cookies as described in our Cookie and Advertising Policy. If you do not wish to accept cookies from our website, or would like to stop cookies being stored on your device in the future, you can find out more and adjust your preferences here.