International Society of Primerus Law Firms

New York Attorney
William A. Newman

Phone: 212.687.6262


Languages: English

Bill Newman advises Barton’s clients on the structuring and execution of sophisticated business and securities transactions. He actively represents operating businesses, investment funds and individual investors across a wide variety of industries, including financial services, investment management, real estate, information technology, media, marketing, life sciences, software, manufacturing and distribution. Bill assists emerging growth companies in accessing US capital markets, using his expertise with the SEC’s rules as well as the regulations of the major US securities exchanges and the US over-the-counter securities markets.

Bill often is involved with mergers and acquisitions and joint ventures on behalf of Barton’s clients. His mergers and acquisitions experience includes representing investment funds in the purchase and sales of portfolio companies, as well as private clients in the sale of their businesses to strategic or financial buyers.

He has considerable expertise regarding inbound investments in the United States and inbound acquisitions of U.S. businesses, including regulation by the Committee on Foreign Investment in the United States (CFIUS), an area in which he has written and presented extensively.

Prior to joining Barton in 2011, Bill was a partner with Sullivan & Worcester, LLP and from 1999 through 2008 was the managing partner of the New York office of McGuireWoods LLP.


  • Banking and Finance
  • Business Transactions
  • Corporate Formation, Governance, and Compliance
  • Financial Services, Investment Funds, and Securities Regulations

Industry Experience:

  • Advertising, Marketing, and Public Relations
  • Entertainment
  • Finance
  • Food and Hospitality
  • Generation and Energy Services
  • Healthcare
  • Manufacturing and Distribution
  • Media and Publishing
  • Technology


  • Martindale-Hubbell featured AV Peer Review Rated
  • The Legal 500 US (Media & Entertainment), 2007
  • Selected to Super Lawyers, 2019


  • The University of Michigan Law School, J.D.
  • Yale College. B.A.


  • State of New York
  • U.S. District Court, Southern District of New York
  • U.S. Court of Appeals for the Second Circuit


  • Former member of the Board of Directors, On2 Technologies, Inc.


  • Co-Chair, Yale College, Class of 1969 50th Reunion

Attorney Articles:

  • “The Ins and Outs of CFIUS Filing.” The Deal Magazine. (August 24, 2009).
  • “Overview of Complying with the Voluntary Review Process when Investing in a U.S. Business”. (April 14, 2009).
  • “The Future of M&A.” Business Credit. (September 2002).
  • “How an Accounting Rule Spoiled a Popular Deal Format.” Mergers & Acquisitions. (December, 1997).

In the Media:

  • Interview with William A. Newman Esq., Partner, Sullivan & Worcester LLP. (April 15, 2009).


  • “Business in 2019 is Global and the Only Constant is Change: The Legal & Regulatory Landscape of Transactions Across Borders.” DiscoverBetterLaw Seminar. New York, New York. (June 10, 2019).
  • “The CFIUS Landscape in 2018 and Beyond: Practical Guidance to the Hazy Road.” Live Webcast. The Knowledge Group. (February 7, 2018).
  • “CFIUS and FINSA: Hot Topics in 2016 LIVE Webcast.” The Knowledge Group. (June 2, 2016).
  • “SME Forum: 21st Century Risk: Growth in Uncertain Times.” BritishAmerican Business. New York, NY. (April 28, 2016).
  • “SME Forum: Growth Through Partnerships.” BritishAmerican Business. New York, NY. (January 29, 2015).
  • “Understanding the Securities Laws.” Practicing Law Institute. New York, NY. (July 23, 2014).

Contact This Firm

Barton LLP

711 Third Avenue
14th Floor
New York, NY 10017
United States

Law Firm Contact: Roger E. Barton

Tel: 212.687.6262

Fax: 212.687.3667



Member Since: 2016

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