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For more than four decades, Fenwick & West LLP has helped some of the world’s most recognized companies become, and remain, market leaders. From emerging enterprises to large public corporations, our clients are leaders in the technology, life sciences and cleantech sectors and are fundamentally changing the world through rapid innovation.  MORE >

Fenwick & West was founded in 1972 in the heart of Silicon Valley—before “Silicon Valley” existed—by four visionary lawyers who left a top-tier New York law firm to pursue their shared belief that technology would revolutionize the business world and to pioneer the legal work for those technological innovations. In order to be most effective, they decided they needed to move to a location close to primary research and technology development. These four attorneys opened their first office in downtown Palo Alto, and Fenwick became one of the first technology law firms in the world.  MORE >

From our founding in 1972, Fenwick has been committed to promoting diversity and inclusion both within our firm and throughout the legal profession. For almost four decades, the firm has actively promoted an open and inclusive work environment and committed significant resources towards improving our diversity efforts at every level.  MORE >

At Fenwick, we are proud of our commitment to the community and to our culture of making a difference in the lives of individuals and organizations in the communities where we live and work. We recognize that providing legal services is not only an essential part of our professional responsibility, but also an excellent opportunity for our attorneys to gain valuable practical experience, learn new areas of the law and contribute to the community.  MORE >

Year after year, Fenwick & West is honored for excellence in the legal profession. Many of our attorneys are recognized as leaders in their respective fields, and our Corporate, Tax, Litigation and Intellectual Property Practice Groups consistently receive top national and international rankings, including:

  • Nearly 15 percent of Fenwick partners named America's Leading Lawyers for Business by Chambers USA and Chambers Global
  • Selected as a "Go-To" law firm by in-house legal departments at Fortune 500 companies in Corporate Counsel magazine
  • Named to The National Law Journal's inaugural "Intellectual Property Hot List" for outstanding patent, copyright, trademark and IP litigation services

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We take sustainability very seriously at Fenwick. Like many of our clients, we are adopting policies that reduce consumption and waste, and improve efficiency. By using technologies developed by a number of our cleantech clients, we are at the forefront of implementing sustainable policies and practices that minimize environmental impact. In fact, Fenwick has earned recognition in several areas as one of the top US law firms for implementing sustainable business practices.  MORE >

At Fenwick, we have a passion for excellence and innovation that mirrors our client base. Our firm is making revolutionary changes to the practice of law through substantial investments in proprietary technology tools and processes—allowing us to deliver best-in-class legal services more effectively.   MORE >

Mountain View Office
Silicon Valley Center
801 California Street
Mountain View, CA 94041
650.988.8500

San Francisco Office
555 California Street
12th Floor
San Francisco, CA 94104
415.875.2300

Seattle Office
1191 Second Avenue
10th Floor
Seattle, WA 98101
206.389.4510

Shanghai Office
Unit 908, 9/F, Kerry Parkside Office
No. 1155 Fang Dian Road
Pudong New Area, Shanghai 201204
P.R. China
+86 21 8017 1200

Tax

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About Our Tax Practice

Fenwick & West has achieved a reputation as having one of the nation's leading domestic and international tax practices. The tax group's exciting and sophisticated practice stems from its client base. Our tax clients represent every geographic area of the United States, as well as a number of foreign countries, and have included over 100 Fortune 500 companies.

  • 20+ tax attorneys with a broad range of corporate, partnership, and international tax experience: represented well over 50 Fortune 100 companies in major federal tax matters, and 100 of the Fortune 500 companies.
  • Extensive experience in international tax planning, M&A and joint ventures.
  • Represented corporate clients in over 70 Tax Court cases.
  • Broad and deep transfer pricing practice, covering APAs, competent authority and dispute resolution.
  • Worked on over $150B in M&A and joint venture activity in the past 12 months.
  • Nationally recognized for successful tax dispute resolution and litigation: successfully resolved well over 100 IRS administrative appeals proceedings.
  • Have in process or favorably resolved this past year 22 IRS Appeals proceedings. They involve Appeals matters for large corporate clients in Texas (5), NYC (5), Boston (3), California (3) and elsewhere. Two are for Fortune Top 10 companies.
  • Won tax victory for CBS in the U.S. Court of Federal Claims—secured summary judgment for our client. Currently represent other large multinational corporations in the US Tax Court.
  • Also won landmark Ninth Circuit and Tax Court cases for Xilinx relating to cost-sharing. Final, favorable resolution of the Xilinx transfer pricing case—cited by The Wall Street Journal as "the biggest tax case in the last 20 years"—affirmed on appeal to the 9th Circuit.

Honors & Awards

  • Named "Tax Firm of the Year for the San Francisco Area" by International Tax Review 2014
  • Awarded First Tier status as one of the "World’s Leading Tax Planning Firms" and as one of the "World’s Leading Transactional Firms" by International Tax Review 2014
  • Awarded “America’s Consumer Products Tax Deal of the Year” by International Tax Review 2014
  • Awarded First Tier status every year by World Tax Review, most recently in World Tax 2013
  • Named "Americas M&A Tax Firm of the Year" by International Tax Review 2012
  • 6 Fenwick tax partners appear in Euromoney’s widely-respected "World’s Leading Tax Advisors" 2012.
  • Fenwick & West tax attorneys highlighted in Euromoney's "World's Leading Tax Advisors", "World's Top 25 Tax Advisors" and the "World's Top 25 Women Tax Advisors"
  • Honored twice as the " U.S. Tax Court Firm of the Year" for tax litigation and controversy matters by International Tax Review in 2008 and 2006