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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:

  • Named Technology Group of the Year by Law360
  • Ranked #1 in the Americas for number of technology deals in 2015 by Mergermarket
  • Nearly 20 percent of Fenwick partners are ranked by Chambers
  • Consistently ranked among the top 10 law firms in the U.S. for diversity
  • Recognized as having top mentoring and pro bono programs by Euromoney

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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
13th Floor
San Francisco, CA 94104
415.875.2300

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

New York Office
1211 Avenue of the Americas
32nd Floor
New York, NY 10036
212.921.2001

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


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The Battle Rages On: A Report from the Front Line of the Patentable Subject Matter War

Publication

9/1/2012 - Robert Sachs discusses the conflicting approaches the court applies to patentable subject matter for computer-implemented business methods.

Fenwick Employment Brief - September 9, 2009

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9/9/2009 - This Fenwick Employment Brief for September 2009 summarizes recent developments in the law

Fenwick Employment Brief - February 10, 2010

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2/10/2010 - This Fenwick Employment Brief for February 2010 summarizes recent developments in the law.

Fenwick Employment Brief - March 2011

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3/14/2011 - This Fenwick Employment Brief for March 2011 summarizes recent developments in the law.

Litigation Alert: DOJ Revises Policy on Demanding Waiver of Attorney-Client Privilege

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12/18/2006 - On December 12, 2006, the Justice Department announced new guidelines for federal prosecutors to follow in charging business organizations.

Alert: Electronic Filing and Website Posting of Forms 3, 4 and 5 Required Starting June 30, 2003

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6/17/2003 - On May 7, 2003, the SEC issued its final rule requiring electronic filing of all Section 16 reports by public company insiders and the posting of those reports on the public company's website.

Corporate and Securities Alert: In re Trados - Important Lessons for Directors on Fiduciary Duties to Common Stockholders

Publication

9/16/2013 - Directors of the corporation, Trados, breached fiduciary duties to common stockholders

Tax Alert: IRS Untangles § 163(L) in Cross-Border Hybrid Financing Transaction

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5/13/2015 - “In terrorem” or anti-abuse provisions often receive a lack of judicial and administrative interpretation. Section 163(l) of the Code, enacted in 1997, is no exception, so that even now certain fundamental questions.

Intellectual Property Bulletin Fall 2010

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10/19/2010 - Fenwick's Intellectual Property Updates for Fall 2010

Fenwick Employment Brief - March 9, 2006

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3/9/2006 - This Fenwick Employment Brief for March 2006 summarizes recent developments in the law.

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Fenwick & West Employment Brief Special Bulletin - June 2011

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6/23/2011 - This Fenwick Employment Brief Special Bulletin for June 2011 summarizes recent developments in the law

Patent Alert: Federal Circuit's Therasense Decision Toughens Standards for Establishing Inequitable Conduct

Publication

5/26/2011 - Responding to views from the United States Patent and Trademark Office (

Intellectual Property Bulletin Spring 2011

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5/5/2011 - Fenwick's Intellectual Property Updates for Spring 2011

Litigation Alert: U.S. Supreme Court Enforces Class Action Waivers in Consumer Arbitration Agreements

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4/28/2011 - On Wednesday April 27, 2011, the Supreme Court, by a 5-4 decision, overturned California's refusal to enforce waivers of class action rights in consumer arbitration agreements, holding that the Federal Arbitration Act (

Fenwick Employment Brief - April 2011

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4/8/2011 - This Fenwick Employment Brief for April 2011 summarizes recent developments in the law.

Fenwick Employment Brief - March 2011

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3/14/2011 - This Fenwick Employment Brief for March 2011 summarizes recent developments in the law.

Litigation Alert: Ninth Circuit Clarifies Standards For Keyword Advertising Trademark Cases

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3/10/2011 - Jed Wakefield and Marybeth Milionis discuss the ruling in Network Automation, Inc. v. Advanced Systems Concepts, Inc., No. 10-55840, which clarified how courts should approach cases of alleged trademark infringement involving Internet keyword advertising.

Antitrust Alert: New HSR Thresholds for 2011

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1/25/2011 - The annual adjustment of the dollar thresholds for preacquisition filings under the Hart-Scott-Rodino Act will take effect February 24.

Fenwick Employment Brief - January 2011

Publication

1/7/2011 - This Fenwick Employment Brief for January 2011 summarizes recent developments in the law.

Fenwick & West Client CardioDx's Blood Test Named As One of TIME Magazine's Top Ten Medical Breakthroughs of 2010

Press Release

12/27/2010 - TIME Magazine named CardioDx's blood-based gene expression test, Corus CAD, one of the Top Ten medical breakthroughs of 2010. The Corus CAD test also won a Technology Innovation Award from The Wall Street Journal this year.