Shannon Armstrong
Markowitz Herbold Glade & Mehlhaf PC
3000 PacWest Center
1211 SW 5th Ave.

Shannon Armstrong


    Shannon Armstrong is a trial lawyer who excels at achieving her clients’ business goals through litigation.  Business litigation clients need a lawyer that can develop nuanced legal arguments, understand complex facts, and provide sound guidance.  Shannon excels in each of those areas, while providing effective advocacy and a client-first attitude.

    Shannon represents some of the firm’s most sophisticated clients in high-stakes commercial litigation. She has experience in state and federal courts, arbitrations and mediations, and in all stages of the litigation process, including jury trials. She has first-chaired mediations, hearings on dispositive motions, depositions of plaintiffs and defendants, and managed class action litigation involving several hundred class members.  

    Shannon has achieved outstanding results for her clients, including the following:

    • She obtained summary judgment on behalf of a plaintiff LLC in litigation against its former managing-member for breach of contract, conversion and breach of fiduciary duty;
    • She obtained a complete dismissal of plaintiff’s employment-related claims after uncovering plaintiff’s discovery misconduct during his deposition;
    • She was a member of a four-lawyer trial team that obtained a complete dismissal of 40 investors’ claims for fraud, breach of fiduciary duty and negligence on a motion for directed verdict on behalf of the client, a real estate investment firm, at the close of plaintiffs’ case-in-chief;
    • She obtained a dismissal of plaintiff’s claims for conspiracy and trade secret misappropriation on a motion to dismiss for lack of jurisdiction.

    Shannon also devotes a significant portion of her practice to advising residents of continuing care retirement centers (CCRCs), including in the following representative litigation:

    • She achieved a favorable settlement on behalf of a class of nearly 1000 CCRC residents in a dispute against it management company involving breach of fiduciary duty, breach of contract, unlawful trade practices and elder financial abuse;
    • She represented a CCRC resident in a contract dispute regarding the refund of entrance fees, resulting in a settlement in excess of the amount due under the contract. 

    At her prior firm, Shannon represented corporations and individuals in criminal and regulatory proceedings. Building on the skills she developed as a federal district court and appellate law clerk, Shannon also briefed numerous Oregon appellate and constitutional law issues, including an appellate challenge to Oregon’s campaign finance disclosure laws. 

    Shannon is a native Oregonian. She began her career as a law clerk for the Honorable Melvin Brunetti at the Ninth Circuit Court of Appeals in Reno, Nevada, and then returned to Portland where she clerked for the Honorable Ancer L. Haggerty at the United States District Court for the District of Oregon.

    Experience and Affiliations

    • Rising Star, Oregon Super Lawyers magazine, 2013
    • Oregon State Bar, Legal Ethics Committee; Chair, 2014; Secretary, 2013; Member, 2010 — present
    • Federal Bar Association, Oregon Chapter; Chair, Haggerty Scholars Program Committee, 2013 — present; Chair, Membership Committee, 2013 — 14; Board Member, 2013 — present
    • Multnomah Bar Association, CLE Committee; Co-Chair, 2014 — 15; Member, 2012 — 15


    • University of California, Berkeley School of Law (Boalt Hall) — J.D., 2005
    • University of Oregon — B.A. with honors in political science, magna cum laude

    Admitted to Practice

    • Oregon
    • Washington
    • U.S. District Court, District of Oregon
    • Ninth Circuit Court of Appeals

    OWLS Rainmaking and Career Development Dinner

    November 13, 2014 5:00pm - 7:30pm
    Hotel Monaco, Fifth Avenue Room, Portland, OR
    Join Markowitz Herbold attorney Laura Salerno Owens as she moderates a panel of women rainmakers, including Markowitz shareholder Shannon Armstrong.

    Legal Rights & Responsibilities in California Continuing Care Retirement Communities

    March 21, 2013
    McGeorge School of Law, Sacramento, CA
    MHGM Attorney Shannon Armstrong is a featured speaker at this day-long conference and will discuss the firm's recent case Rogue Valley Manor v. Pacific Retirement Services.