Shannon D. Sweeney is part of Sullivan Hill’s commercial and business litigation, real estate and construction practice groups. Shannon has substantial experience in complex corporate litigation, large commercial disputes, and consumer and securities fraud class action lawsuits in both state and federal courts.
Shannon also has significant appellate experience in California state and federal courts, including successfully arguing at the United States Court of Appeals for the Ninth Circuit, as well as first and second-chair trial experience. She is a persuasive oral advocate, and has enjoyed a very successful motion practice, having won almost every dispositive motion that she has written.
Shannon obtained her J.D. from the University of San Francisco School of Law in 1999, where she was an active member of the Moot Court Board and the USF Law Review (with published case note: Sharon P. v. Arman). She was the winner of the McFetridge Award for best trial advocate, and finalist for the Advocate of the Year Competition. She was also a member of the National Moot Court and Appellate Advocacy Competitions Teams.
Shannon was admitted to the State Bar of California in 1999, the State Bar of Texas in 2007, and the State Bar of New York in 2008. Additionally, Shannon is admitted to practice before all courts of the State of California and the United States District Court for the Southern, Central, Eastern and Northern Districts of California, and the United States Court of Appeals for the Ninth Circuit.
- Scripps College, B.A., 1992
- University of San Francisco School of Law, J.D., 1999
Shannon has successfully defended numerous publicly-traded and large companies, as well as overseen internal investigations, in consumer and products liability class actions, securities litigation, and pharma/biotech litigation.
- Burghardt v. Nutronics Labs, Inc.: Successfully negotiated the dismissal of the putative California class action in the Southern District of California.
- Burns v. WD-40 Company: Successfully resolved by summary judgment and motion to dismiss a putative products liability nationwide and California class action in Orange County Superior Court; defeated the appeal, including arguing the case in the Fourth District.
- Drimmer v. WD-40 Company: Successfully defeated class certification in a federal putative products liability nationwide and California class action; defeated the appeal brought by the putative class, including arguing the case in the Ninth Circuit.
- Engler v. Breg, Inc. et al.: Successfully managed a litigation team’s efforts to defeat class certification in a putative worldwide and California class action in San Diego Superior Court.
- Valentine v. WD-40 Company: By summary judgment, successfully resolved a putative products liability nationwide class in San Diego Superior Court; defeated the appeal brought by the putative class.
- Worrall et al. v. Pedernales Electric Cooperative et al.: On behalf of plaintiffs, assisted in settling a high profile putative class action brought against the largest electrical cooperative in the United States in the District Court of Travis County, Texas (affirmed on appeal); information obtained by plaintiffs in discovery was the subject of hearings before the U.S. House of Representatives seeking nationwide reforms.
- Ahern Rentals, Inc.: Managed the defense of several federal and California state class actions.
- Martin v. Maxim Pharmaceuticals, Inc. et al.: In several successive winning motions to dismiss, assisted in the defeat of a federal securities class action brought when Maxim’s stock dropped after it failed to obtain certain FDA approvals.
- In re Gateway, Inc. Securities Litigation: At the motion to dismiss stage, assisted in the defeat of a federal securities class action brought when Gateway failed to meet its projections.
Other Complex Litigation
- Responsible for primary management of a major SEC investigation of a large publicly traded company (client confidential).
- Responsible for primary management of a substantial Special Litigation Committee investigation of a publicly traded company (client confidential).
- Hilkene v. WD-40 Company: Convinced plaintiff to voluntarily dismiss a federal securities fraud case with prejudice at the close of discovery.
- Grynberg v. Shell Exploration B.V. et al.: At the summary judgment stage, assisted in the dismissal of a multi-billion dollar case brought against Shell (affirmed by the Tenth Circuit).
- Danisco USA Inc.: Successfully settled a product liability case brought against one of the world’s largest suppliers of food ingredients.
- Responsible for preparing the litigation strategy for, and day-to-day management of, a successful challenge to a 1000-page environmental impact report supporting a significant housing development in San Diego County (client confidential).
Shannon is a member of the State Bar of California, San Diego County Bar Association and Association of Business Trial Lawyers. Shannon has also been honored to share her expertise by teaching trial skills and deposition courses throughout the Country for the National Institute of Trial Advocacy for the past 10 years.