Overview

Shannon Armstrong is an accomplished trial lawyer who defends high-stakes class actions and handles complex business disputes for clients across a variety of industries, including real estate, financial services, retail, manufacturing, healthcare, technology and energy industries. Ms. Armstrong has tried cases in state and federal courts, and serves as lead counsel in matters involving significant contract disputes, class actions, corporate governance and ownership disputes, business competition claims and intellectual property disputes. She also advises clients on business-critical regulatory issues, investigations and administrative proceedings. Ms. Armstrong excels in developing and executing litigation and pre-litigation strategy driven by business objectives in high-stakes disputes, as well as successfully navigating challenging legal and factual issues in front of courts, arbitrators and administrative agencies. Clients rely on her excellent judgment, ability to understand and manage complexity, 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 real estate company 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 manufacturing company 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 an energy 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 energy company 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 financial services company 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 energy 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 food and beverage company 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 franchisor in dispute with franchisees alleging claims for trade secret misappropriation and breach of non-competition agreement
  • Defending a national beverage company against allegations of false advertising and unfair competition in U.S. District Court for the District of Oregon

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 and defending that victory on appeal at the U.S. Court of Appeals for the Ninth Circuit
  • Defending a professional services company in class action alleging sale of unregistered securities in U.S. District Court for the 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 financial services company in securities fraud 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
  • Defending food and beverage company against class action claims alleging violation of the California Consumer Legal Remedies Act (CLRA), unfair competition, breach of warranty, and unjust enrichment in the U.S. District Court for the Northern District of California

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
  • All Appellate Courts in Oregon
  • All State Courts in Oregon
  • All Trial Courts in Oregon
  • All U.S. District Courts in 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 2016-2021; 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 Award Screening Committee, 2021-2022; Professionalism Committee, 2016-2017; CLE Committee, Co-Chair, 2014-2015, Member, 2012-2015
Honors & Awards

Publications

Speaking Engagements

News