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


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

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

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

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

Securities Litigation


About Our Securities Litigation Practice

Fenwick & West’s Securities Litigation Group is one of the most active practices in the United States. Our partners defend securities class actions all across the country, representing an array of defendants including Fortune 100 companies, individuals, issuers, underwriters, mutual funds and other financial institutions. These cases include traditional 10b-5 class actions, suits brought under the 1933 Act, and actions arising out of mergers and acquisitions. We also have extensive experience in derivative actions, both in defending officers and directors against breach of fiduciary duty claims and in representing board and special litigation committees.

Our diverse, 20+ litigators are among the most well respected in the legal profession. They include former federal prosecutors, authors and frequent lecturers on issues involving securities matters, corporate governance, fiduciary duties, and class action litigation, and sophisticated trial attorneys with decades of experience litigating both criminal and civil matters.

We have handled dozens of SEC and other regulatory investigations involving such matters as financial restatements, alleged accounting irregularities, insider trading issues, executive compensation and compliance with the Foreign Corrupt Practices Act. In addition, we have been retained by a number of companies and boards to conduct internal investigations regarding such matters as accounting issues, alleged bribery, executive compensation, insider trading, and option granting practices. Our sophisticated in-house technology and staff—who specialize in the use of computer forensic tools—enable us to mobilize the resources necessary to process large amounts of data quickly, and to handle such investigations efficiently and effectively. We also maintain excellent relationships with directors and officers (D&O) insurance carriers, and are approved Chartis Panel Counsel for securities cases.