People

A. William Caporizzo

Partner

Vice Chair, Transactional Department

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Bill Caporizzo focuses his practice on the taxation of domestic and cross-border corporate mergers, acquisitions and dispositions, as well as international restructurings. His practice also includes the taxation of partnerships and limited liability companies engaged in investment activities and real estate activities. Learn more about Mr. Caporizzo's practice and how he can support your startup on WilmerHaleLaunch.com.

Mr. Caporizzo is a certified public accountant.

Honors & Awards

  • Recognized as a Massachusetts leader in the practice area of tax in the 2007-2017 editions of Chambers USA: America's Leading Lawyers for Business, with sources saying he is "really helpful in guiding the business people to understand the issues and to come up with solutions" and that "his advice is always tailored to the needs of the client"
  • Selected by peers for inclusion in the 2013-2018 editions of Best Lawyers in America for his tax law practice
  • Recommended in the 2016 and 2017 editions of the The Legal 500 United States in the area of Tax: US Taxes Non-Contentious
  • Recognized for exceptional standing in the legal community in the area of employee benefits in Chambers USA: America's Leading Lawyers for Business 2006
  • Named a "New England Super Lawyer" (formerly "Massachusetts Super Lawyer") in tax law in the 2004-2012 issues of Boston Magazine

Publications & News

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August 16, 2017

WilmerHale Lawyers Named Among the 2018 Best Lawyers in America®, Nine Recognized as Lawyers of the Year

Best Lawyers in America®—the oldest and most respected peer-review publication in the legal industry—recognizes 107 WilmerHale lawyers and names nine partners as Lawyers of the Year in its 24th edition.

August 14, 2017

WilmerHale Counsels Investors Abingworth Bioventures and Atlas Venture in IFM Therapeutics Acquisition by Bristol-Myers Squibb

Bristol-Myers Squibb Company and IFM Therapeutics announced that the companies have signed a definitive agreement under which Bristol-Myers Squibb will acquire all of the outstanding capital stock of IFM Therapeutics, a venture-backed biotech company focused on developing therapies that modulate novel targets in the innate immune system to treat cancer, autoimmunity and inflammatory disorders.

August 4, 2017

WilmerHale Represents Fortive in Acquisition of Industrial Scientific Corporation

On July 27, 2017, Fortive Corporation (NYSE: FTV) announced that it signed a definitive agreement to acquire Industrial Scientific Corporation, a leading provider of portable gas detection equipment and a safety-as-a-service pioneer.

August 3, 2017

Firm's Representation of Hilton is Honored as Global Finance Deal of the Year by The American Lawyer

For the past five years, The American Lawyer has hosted the Global Legal Awards to honor matters that demonstrate the industry's ability to navigate complex international legal issues.

August 3, 2017

WilmerHale Represents Navient in Acquisition of Duncan Solutions

Navient, a leading asset management and business processing services company, announced the acquisition of Duncan Solutions, a transportation revenue management company serving municipalities and toll authorities.

July 14, 2017

WilmerHale Represents Stash in Securing $40M in Series C Funding

Stash, a financial technology platform revolutionizing investment and financial literacy across the US, announced that it has raised $40 million in Series C funding.

June 27, 2017

WilmerHale Represents State Street in the Sale of its BlockCross ATS to Instinet

Longstanding client State Street is represented by a team led by Stephanie Evans that includes Livingston Miller, Mark Nylen, Byron Crowe, Nils Remole, Andre Owens, Jeremy Moorehouse, Michael Bevilacqua, Bill Caporizzo, Amy Null and Benjamin Kelsey.

June 9, 2017

The Legal 500 United States 2017 Recognizes 125 WilmerHale Lawyers Across 28 Practice Areas

The Legal 500 United States has released its 2017 rankings, recommending 125 WilmerHale lawyers—including 12 who are named to its elite “Leading Lawyers” list and two on its “Next Generation Lawyers” list—and 28 practice areas in its 11th edition.

June 6, 2017

WilmerHale Represents UNTUCKit in $30M Fundraising

UNTUCKit, a leading direct-to-consumer apparel brand, announced that Kleiner Perkins invested $30 million into the business. The company will use this funding to accelerate growth by opening 15 new stores, expanding its women's line and launching children's apparel.

June 2, 2017

WilmerHale Reps FastMatch in Euronext Acquisition

Euronext announced the acquisition of 90% of FastMatch, Inc. for $153 million initial cash consideration. FastMatch's management will remain invested with a 10% interest, with minority rights.

Professional Activities

Mr. Caporizzo has presented at seminars on taxation for the NASDAQ, National Association of Stock Plan Professionals, and Massachusetts Continuing Legal Education Program. He is a member of the Tax Sections of the American and Massachusetts Bar Associations and the Boston Bar Association.

Practices

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Education

JD, magna cum laude, Boston University School of Law, 1985

BS, magna cum laude, University of Pennsylvania, 1982

Bar Admissions

Massachusetts

Connecticut

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