Edward T. Decker

About Edward
Edward Decker counsels companies, financial institutions, and individuals in disputes with other companies, government regulators, and class-action plaintiffs. Edward has experience representing clients in complex commercial matters, ranging from antitrust and securities class actions to corporate governance, M&A, and contract disputes. He also regularly represents clients, including banks and broker-dealers, in responding to investigations conducted by the Department of Justice, Securities and Exchange Commission, FINRA, and other regulators covering a range of substantive topics, including anticompetitive conduct, corporate scandal, bribery, and financial crimes.
In addition to counseling clients already involved in disputes, Edward advises clients on pre-dispute risk management, including advising on the antitrust components of contemplated transactions, developing policies and procedures to ensure best practices, and running internal investigations in response to possible employee misconduct.
Before joining Miller Nash, Edward practiced as a litigation associate in the New York office of Shearman & Sterling LLP.
Representative Experience
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Business & Banking Litigation Plus
Representing major regional bank in a putative consumer class-action suit.
Representing technology start-up in a lawsuit concerning the sale of cryptotokens and their status as securities.
Representing publicly traded business services company in a putative derivative lawsuit and in disputes with a terminated former officer.
Representing Northwest-based companies in international arbitration for disputes with foreign suppliers and customers.
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Prior to Joining Miller Nash LLP Plus
Represented manufacturers and technology companies in lawsuits alleging violations of antitrust, unfair competition, and consumer protection laws.
Represented global banks in government investigations and class action litigations concerning purported violations of the antitrust laws, RICO, and the Commodity Exchange Act related to various financial benchmarks.
Represented corporations and investment banks in shareholder derivative actions challenging major strategic transactions and corporate governance under the corporate laws of Delaware and other states.
Represented corporations and global investment banks in securities class actions.
Conducted internal investigations on behalf of global banks in connection with bribery payments, corporate scandals, and in response to requests from the DOJ, SEC, CFTC, FINRA, and other federal and state regulators.
Representing pro bono refugees seeking asylum, elderly persons with disabilities in disputes with the Social Security Administration, and prisoners housed in inhumane conditions.
Activities
- Oregon State Bar, member
Insights from Edward
- “Ninth Circuit Expands Securities Seller Liability to Social Media Promoters,” Miller Nash, Bank Law Monitor, coauthor (Jan. 2023)
- “Foreign Arbitration Clauses in Insurance Policies: Oregon Federal Court Enforces Clause—A Cautionary Tale for Domestic Businesses,” Miller Nash, The Northwest Policyholder, coauthor (June 2021)
- “Ninth Circuit Affirms That “Cascading Scandals” and a General Stock-Price Decline are Insufficient to Establish Loss Causation under California Securities Law,” Miller Nash, Bank Law Monitor, coauthor (May 2021)
- “Ninth Circuit Revives State-Law Class Action Claims against Financial Advisor,” Miller Nash Graham & Dunn, Bank Law Monitor (Mar. 2021)
- “E-Discovery: Recent Developments and Best Practices,” Multnomah Bar Association, cospeaker (Mar. 2022)

Outside the Office
Edward enjoys rock climbing, skiing, and cooking for his wife and son.