Overview

Shannon Armstrong is an accomplished trial lawyer who defends high-stakes class actions and handles complex business disputes for companies across a variety of industries. Ms. Armstrong has tried cases in state and federal courts, and serves as lead counsel in matters involving claims for breach of contract, misappropriation of trade secrets, breach of fiduciary duty, securities fraud, unfair trade practices and class action defense. Ms. Armstrong excels in developing and executing litigation strategy driven by business objectives in high-stakes cases, as well as successfully arguing complex legal and factual issues in front of judges, juries and arbitrators. Clients rely on her excellent judgment, clear thinking and skilled advocacy in facing their most significant business disputes.

Ms. Armstrong's recent engagements include:

Commercial Litigation

  • Obtaining a complete dismissal on behalf of a real estate investment firm of a $100 million claim by investors for fraud, breach of fiduciary duty and negligent misrepresentation on a motion for directed verdict at the close of the plaintiffs' case-in-chief in arbitration
  • Representing a plaintiff LLC as co-lead trial counsel in litigation against its former managing member for breach of contract, conversion and breach of fiduciary duty, resulting in an award of punitive damages following a two-week jury trial in Oregon state court
  • Defending a multinational dental equipment manufacturer and family shareholders in preliminary injunction and related litigation filed by dissident shareholder seeking control of company in Oregon state court, resulting in favorable settlement
  • Representing a distributor in $80 million dispute with a supplier arising from supplier’s improper termination of agreements in Australia and North America, resulting in claims for breach of contract, breach of fiduciary duty, unjust enrichment and trade secret misappropriation
  • Representing a company in $30 million breach of contract and fraud claims arising from failed acquisition in U.S. District Court for the District of Delaware
  • Representing as co-lead trial counsel a Nevada oilfield services provider in prosecuting minority shareholder oppression claims seeking $25 million in damages in Oregon state court, U.S. District Court for the District of Oregon, Nevada state court and international arbitration
  • Representing a bank in claims by receiver for investment pools alleging breach of fiduciary duty, negligence, and aiding and abetting breach of fiduciary duty in Washington state court
  • Representing an international technology company in the U.S. District Court for the District of Oregon against petition for discovery to be used in German litigation, pursuant to 28 U.S.C. § 1782, resulting in dismissal of petition

Trade Secrets, False Advertising and Unfair Competition

  • Defeating on summary judgment claims for trade secret misappropriation under the Defend Trade Secrets Act (DTSA) on behalf of national energy-efficiency company in the U.S. District Court for the Northern District of Illinois
  • Serving as lead trial counsel in obtaining a temporary restraining order and injunction on DTSA and related state law claims in the U.S. District Court for the District of Oregon on behalf of a national automotive group
  • Defending a winemaker in class action alleging false advertising and unfair competition in U.S. District Court for the Northern District of California and parallel state regulatory action arising from wine labeling practices
  • Obtaining an order compelling arbitration from U.S. District Court for the District of Oregon on behalf of a retail coffee chain in dispute with franchisees alleging claims for trade secret misappropriation and breach of non-competition agreement

Class Actions

  • Defeating class certification on behalf of a company for class action for deceptive practices and unjust enrichment related to insurance subrogation claims in the U.S. District Court for the Western District of Washington
  • Defeating on summary judgment class action claims for breach of contract, civil conspiracy, unjust enrichment, breach of fiduciary duty and consumer fraud in U.S. District Court for the District of Arizona arising from benefits provided under auto insurer's medical payments coverage
  • Defending an auto insurer against class action claims for breach of contract related to payment of "diminished value" damages in Washington state court and the U.S. District Court for the Western District of Washington
  • Defending a company in class action alleging sale of unregistered securities in Western District of Washington arising from cryptocurrency transactions
  • Coordinating comprehensive strategy in a high-profile dispute on behalf of a government contractor for related class actions in the U.S. District Court for the Western District of Washington, U.S. District Court for the Central District of California and U.S. District Court for the District of Colorado challenging fundamental business practices
  • Defending a bank in class action brought by real estate investors alleging violation of the Oregon Securities Law in Oregon state court and the U.S. District Court for the District of Oregon
  • Defending a national healthcare company against Telephone Consumer Protection Act (TCPA) and related state law claims in the U.S. District Court for the Western District of Washington

Ms. Armstrong began her legal career as a law clerk for the Honorable Melvin Brunetti in the U.S. Court of Appeals for the Ninth Circuit and as a law clerk for the Honorable Ancer L. Haggerty of the U.S. District Court for the District of Oregon.

Credentials

Education
  • University of California, Berkeley School of Law, J.D.
  • University of Oregon, B.A., magna cum laude
Bar Admissions/Licenses
  • Oregon
  • Washington
Court Admissions
  • U.S. District Court for the District of Oregon
  • U.S. District Court for the Western District of Washington
  • U.S. Court of Appeals for the Ninth Circuit
Memberships
  • Girls Inc. of the Pacific Northwest, Board Chair, 2017-2019; Vice Chair, 2016-2017, Board Member, 2015-2018
  • Oregon State Bar, Business Litigation Section, Executive Committee, Chairperson, 2019, Treasurer, 2018, Secretary, 2017, Member 2016-2018; Legal Ethics Committee, Chair, 2014, Secretary, 2013, Member, 2010-2014
  • Federal Bar Association, Oregon Chapter, Board Member, 2014-2017; Haggerty Scholars Committee Chair, 2015-2017
  • Multnomah Bar Association, Professionalism Committee, 2016-2017; CLE Committee, Co-Chair, 2014-2015, Member, 2012-2014
Honors & Awards

Publications

Speaking Engagements

News