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We guide our clients through the intricate tax laws of today with an eye toward maximizing benefits, reducing risk and resolving uncertainty.

Our approach

Tax law is complex and constantly evolving.

Companies are looking for strategic partners to provide clear and decisive answers to their tax questions—from resolving controversies and facilitating complex transactions to developing sound tax planning strategies.

Moving quickly and efficiently, we use our business perspective to help clients meet their business objectives.

Our experienced, creative tax attorneys not only monitor, but influence new developments in the tax laws and consistently deliver practical, understandable advice to our clients—from domestic, multinational, multistate and small to middle-market businesses, to nonprofit organizations, estates, trusts and individuals.

We have a deep knowledge of tax law in the following areas:

  • Employee benefits
  • Tax-exempt entities
  • Real estate
  • Syndication
  • Public finance
  • Tax litigation
  • Personal tax planning
  • Estate and trust tax planning

Who we work with

  • Financial institutions
  • Multistate corporations
  • Private clients
  • Middle-market businesses (technology, biotechnology, media, health care, etc.)
  • Manufacturing companies
  • Operating businesses
  • International corporations
  • Individuals in the U.S. and abroad
  • Insurance companies
  • Nonprofits
  • Private equity/venture capital firms

Recent Experience

  • Served as tax counsel for a $500 million tax-free merger of two public companies
  • Won a California client’s tax case against the IRS on summary judgment, avoiding a lengthy trial and favorably resolving the issue for future years
  • Structured and drafted partnership agreements for operating businesses, investment funds, venture funds, leveraged buyout funds, hedge funds and real estate development ventures
  • Designed and completed the post-merger integration and streamlining of two major industry trade associations
  • Structured a complex recapitalization and redemption of stock of a large, privately held multinational corporate group in the manufacturing sector
  • Designed a practical 50-state sales tax compliance strategy for an Internet-based business
  • Obtained IRS Private Letter Rulings and similar assurances from state and local tax authorities
  • Defended clients in: IRS audits, at the IRS Appeals Office, federal tax litigation, state tax audits and litigation in numerous states, and state unclaimed property audits and negotiations
  • Represented clients making voluntary disclosures of offshore accounts to the IRS


  • Recommended as one of the “leading tax firms in the world” in the 6th edition of Tax Directors Handbook 2012, compiled by the publishers of The Legal 500 and Legal Business Magazine.

Media Clips

  • Trump's changes to the tax codes may encourage dynastic wealth
    The New York Times | November 12, 2016
    This article discusses President-elect Trump’s tax code proposals and how he plans to repeal the estate tax. Boston private clients partner Sarah Connolly is quoted discussing how changes to the estate tax likely won’t impact Trump’s supporter base.
  • LLCs should carefully choose an incentive compensation plan
    Rochester Business Journal | April 15, 2016
    Rochester partner Jeff LaBarge and associate Brian Mahoney authored this column in which they explore tax considerations around equity-based compensation plans.
  • People on the Move
    Washington Business Journal | July 15, 2014
    This coverage notes that Washington, DC, Private Equity & Investment Funds partner Christian McBurney has been elected chair of the Tax Section of the District of Columbia Bar Association.
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  • Don't Miss It: Hot Deals & Firms We're Following This Week
    Law360 | July 10, 2014
    Gannett Co., Inc.’s acquisition of seven Texas television stations from London Broadcasting Company for $215 million is highlighted among the top deals this week. Nixon Peabody represented Gannett. The deal team noted in the coverage includes Public Company Transactions practice group leader John Partigan, Labor & Employment partners Brian Kopp and Michael Hausknecht, Tax partner Christian McBurney, Antitrust partner Gordon Lang and counsel Alycia Ziarno, and associates Tiana Butcher and Pierce Han.
  • Versar picks up J.M. Waller
    The Deal | July 2, 2014
    Client J.M. Waller Associates’ sale to Versar, Inc. is highlighted in this piece. The coverage notes J.M. Waller’s legal team led by securities practice group leader John Partigan and includes partners Brian Kopp and Christian McBurney; associate Pierce Han; and paralegal Alicia Rotella.


Numbers, numbers, numbers — 2016 and 2017
Private Clients Alert | December 27, 2016

What's trending on NP Trusts & Estates
November 2, 2016

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The MTB: Can your company take advantage of a (re)new(ed) tax break for U.S. manufacturing?
Government Relations Alert | October 18, 2016

Put that Delaware VDA on hold! Secretary of State reacts to Temple-Inland, predicts legislative changes
Tax Law Alert | September 19, 2016

IRS issues new rules for management contracts
Public Finance Alert | August 29, 2016

Don't sign that Delaware voluntary disclosure agreement!
A major unclaimed property development

Tax Law Alert | July 5, 2016

What's trending on NP Trusts & Estates
June 1, 2016

What's trending on NP Trusts & Estates
May 4, 2016

Your 1040 is filed, but are you done? Not if you have foreign financial assets!
Private Clients Alert | April 18, 2016

The Miscellaneous Tariff Bill: if your company produces in the U.S., cost saving may be coming your way
Government Relations Alert | April 18, 2016

Domicile: What do you and Joan Rivers have in common?
Private Clients Alert | March 15, 2016

Numbers, numbers, numbers—2015 and 2016
Private Clients Alert | December 11, 2015

What's Trending in Affordable Housing
November 9, 2015

Budget bill includes partnership audit reform rules
Tax Credit Finance & Syndication Alert | November 2, 2015

IRS issues final allocation and accounting regulations for tax-exempt bonds
Public Finance Alert | October 30, 2015

Webinar Recording: DOJ targets executives in corporate investigations
Originally recorded on September 25, 2015 | September 30, 2015

Updated Chicago cloud tax implementation date just around the corner
Tax Law Alert | September 23, 2015

What does "international tax reform" mean to your business? NP's Government Relations team can help you find out.
Government Relations Alert | September 22, 2015

Act now in case the "family discount" window closes
Private Clients Alert | July 29, 2015

New York narrows the availability of real property tax exemptions for nonprofits
Nonprofit Organizations Alert | July 28, 2015

IRS changes retirement plan determination letter program
Benefits Alert | July 22, 2015

Chicago plans to tax the Cloud
Tax Law Alert | July 17, 2015

Supreme Court reminds states that Dormant Commerce Clause has teeth
Tax Alert | May 20, 2015

Foreign contractors beware: notice of proposed rulemaking for tax on certain foreign procurement contracts
Government Contracts Alert | April 30, 2015

IRS reminds retirement plan sponsors it's up to them—not the TPA—to document loans and hardship distributions
Benefits Law Alert | April 14, 2015

Losses may no longer be held captive in captive PCs
Health Care Alert | March 9, 2015

Now is the Time to Consider Wealth Transfer Opportunities
Private Clients Alert | February 26, 2015

D.C. Office of Administrative Hearings grants stay in four Chainbridge cases
Tax Alert | February 2, 2015

Tax Court finds predictive coding effective, not taxing
Electronic Discovery and Evidence Alert | October 10, 2014

1099-related IRS notices remind taxpayers that FATCA isn't the only withholding provision to consider
Tax Alert | August 20, 2014

Could the Massachusetts tax amnesty program be a boon for your business?
Tax Alert | July 28, 2014

Still considering a voluntary disclosure to the IRS? This may be a good time to do it.
Tax Alert | April 1, 2014

New legislative tax proposal targets state and local government pension funds
Private Equity Tax Alert | March 26, 2014

State income tax on directors' fees: don't create personal tax problems for your board members!
Tax Alert | March 14, 2014

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