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Fenwick & West LLP

Work +1 650 988 8500
Mountain View, New York, San Francisco, Seattle, Shanghai

David Forst

Work (650) 335-7254
Fenwick & West LLP

Work Department

Tax, Practice Group Chair


Mr. Forst is the Practice Group Leader of the Tax Group of Fenwick & West LLP. His practice focuses on international corporate and partnership taxation.


Mr. Forst is included in Legal Media Group's Guide to the World's Leading Tax Advisers. He is also included in Law and Business Research’s International Who’s Who of Corporate Tax Lawyers (2009, 2010, 2011 and 2012). Mr. Forst was named one of the top tax advisers in the western U.S. by the International Tax Review, is listed in Chambers USA America's Leading Lawyers for Business (2011-2012), and has been named a Northern California Super Lawyer in Tax by San Francisco Magazine. Mr. Forst is a lecturer at Stanford Law School on international taxation. He is an editor of and regular contributor to the Journal of Taxation, where his publications have included articles on international joint ventures, international tax aspects of mergers and acquisitions, the dual consolidated loss regulations, and foreign currency issues. He is a regular contributor to the Journal of Passthrough Entities, where he writes a column on international issues. Mr. Forst is a frequent chair and speaker at tax conferences, including the NYU Tax Institute, the Tax Executives Institute, and the International Fiscal Association.




Mr. Forst is admitted to practice in California, the United States Tax Court, the 1st Circuit of the United States Court of Appeals, and the District of Columbia Circuit of the United States Court of Appeals.


AB - Public and International Affairs, Princeton University (Cum Laude, Phi Beta Kappa, 1989); JD - Stanford University (Grad with Distinction, 1992);

United States: Tax

International tax

Within: International tax

The ‘terrificFenwick & West LLP handles transfer pricing, cross-border M&A and joint ventures, international inversion transactions and international tax controversies. Recent highlights include acting for a consortium of more than 40 leading financial institutions from over 15 countries that made a $107m capital investment in R3, the largest consortium of global financial institutions collaborating to develop a platform and commercial applications for distributed ledger technology; and assisting US-based life sciences company Grail with the acquisition of Hong Kong-based Cirina. ‘US tax starJames Fuller and the ‘extremely intelligent and responsiveDavid Forst are strongly recommended, as are Larissa Neumann and Andrew Kim. All attorneys mentioned are based in Mountain View, California.

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US taxes: contentious

Within: US taxes: contentious

The ‘very bright’ tax controversy team at Fenwick & West LLP successfully represented French pharmaceutical company Sanofi, which also has headquarters in the US, in a court case focusing on the client’s UK-based worldwide joint venture with Merck and the applicability of UK and French treaties within the US in the context of such a joint venture. Analog Device and VF Corporation are other key clients. The ‘extremely intelligent and responsiveDavid Forst is highly recommended. Jim Fuller and Larissa Neumann are other names to note. All attorneys mentioned are based in Mountain View.

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US taxes: non-contentious

Within: Leading lawyers

David Forst - Fenwick & West LLP

Within: US taxes: non-contentious

The ‘terrific’ tax team stationed in Fenwick & West LLP’s Mountain View office comprises ‘good listeners and client-collaborators’ who focus on public company M&A transactions in the technology, retail and pharmaceutical sectors. Other areas of activity include strategic tax planning and joint venture deals. Recent highlights include assisting Cisco with its acquisition of AppDynamics for $3.7bn, and advising an international consortium of more than 40 financial institutions on its $107m capital investment into R3. The client base also features Symantec and Grail. ‘Solid and dependable US tax starJames Fuller, David Forst, Larissa Neumann and Andrew Kim are the names to note.

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