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


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
13th Floor
San Francisco, CA 94104

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

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

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

Annasara G. Purcell

Associate, Litigation  

Seattle 415.875.2350


Annasara Purcell focuses her practice on litigation matters to support clients in the technology space. She regularly handles a variety of intellectual property and complex commercial suits, with an emphasis on consumer class actions involving claims of privacy, unfair competition and fraud violations.

Annasara has represented clients in the software, hardware and gaming industries. Representative clients include: Carrier IQ, GoPro, Sega and Uber.

Annasara also maintains an active pro bono docket and has argued before the Ninth Circuit Court of Appeals on a variety of constitutional issues. Prior to joining Fenwick & West, she served as a Law Clerk to the Honorable James Ware, Chief Judge, of the Northern District of California.

While in law school, Annasara was a member of the Stanford Journal of Civil Rights and Civil Liberties and served as a legal intern to the King County Prosecutor’s Office and as a law clerk to the United States Attorney’s Office for the Western District of Washington. She was also a member of the Stanford Supreme Court Litigation Clinic.

Representative Engagements

In re Carrier IQ Consumer Privacy Litigation: Annasara and her colleagues Rodger Cole, Tyler Newby and Jennifer Johnson are handling a multidistrict privacy class action that coordinated more than 70 lawsuits filed around the country in the Northern District of California. Our team is representing lead defendant Carrier IQ. Other defendants include HTC, Huawei, LG Electronics, Pantech Wireless, Samsung and Motorola Mobility. Plaintiffs claim that Carrier IQ’s diagnostic software, which is embedded on a wide range of smart phones manufactured by Carrier IQ’s co-defendants, allows the tracking and interception of consumers’ data and communications. The main legal claims asserted are violations of the Wiretap Act, Stored Communications Act, and Computer Fraud and Abuse Act. This litigation is one of the most important pending privacy class actions and has been covered by the Daily Journal, The Recorder and Law360.

Horton v. GoPro: Annasara and colleagues Rodger Cole and Marybeth Milionis recently resolved a warranty, false advertising and unfair trade practices class action for GoPro related to its Hero3 video camera. Filed in the Middle District of Florida, the suit alleged that the Hero3 did not reliably and continuously record video as advertised based on GoPro’s online and on-package advertisements. The case resolved on a non-class basis after extensive informal discovery.

Physicians Healthsource v. Reliant Technologies: Annasara and colleagues Rodger Cole, Songmee Connolly, Sean Wikner and Marion Miller​ defended Reliant Technologies and Solta Medical in a class action suit brought under the Telephone Consumer Protection Act. After voluntarily providing significant information to the plaintiffs’ lawyers, our team was able to negotiate an individual settlement before the expense associated with motion practice and discovery.