Contact Lawrence C. Locker

Before proceeding, please note: If you are not a current client of Summit Law Group, please do not include any information in this e-mail that you or someone else considers to be confidential. Summit Law Group has no duty to keep confidential any of the information you provide via email or otherwise unless you are a client of the firm. You message will not be considered a request for legal advice or hiring a lawyer, and no attorney-client relationship with Summit Law Group or any lawyer at Summit Law Group will be established, unless Summit Law Group agrees to such a relationship as reflected in an engagement letter or other written agreement.


Summit is different in large part because of the collegiality. We’ve done away with hierarchy here, and it reflects... read more »

Lawrence C. Locker

Litigation Attorney

315 Fifth Avenue S, Suite 1000
Seattle WA 98104

©2021 Summit Law Group PLLC

website by efelle

Profile picture
linkedin PDF V Card

Lawrence C. Locker


(206) 676-7060

Profile Introduction

Larry is an accomplished trial lawyer and counselor who assists a wide range of clients in business disputes, including corporate governance and control, intellectual property, and insurance coverage cases. With decades of trial experience, Larry has represented clients in all aspects of the litigation process in numerous courts in Washington and other jurisdictions. He has also successfully represented clients in arbitrations and other alternative dispute resolution proceedings.







Lawrence C. Locker
Rated by Super Lawyers

loading ...



America's Top 100High Stakes Litigators 2018® Recipient Award



  • Washington State Bar Association
  • King County Bar Association
  • Federal Bar Association
  • State Bar of California


  • Columbia University (Master of International Affairs)
  • UCLA School of Law (J.D.), Distinguished Advocate, UCLA Moot Court Honors Program
  • UCLA (B.A., economics, magna cum laude) 1981

Bar Admissions

  • Washington State
  • California


  • Martindale-Hubbell: Peer-review rated AV/Preeminent. Peer review comments include:
    • "He is a lawyer of exceptional integrity and ability. He is a credit to the profession."
    • "Larry Locker is a first-class trial lawyer, with particular strength in handling witnesses in the courtroom."
    • "Larry is an excellent lawyer with good judgment."


  • Listed in Washington Super Lawyers (2012 to present)
    Lawrence C. Locker
    Rated by Super Lawyers

    loading ...

  • Seattle Metropolitan magazine -“Top Lawyers”
  • Fellow, Litigation Counsel of America
  • Member, Council on Litigation Management

Publications & Speaking Engagements


  • "Minority Report:  The Future of Legal Services and AI," Chambers and Partners, eDiscovery & Disclosure 2019, Trends and Developments, January 2019
  • “Admissibility of Scientific and Other Expert Testimony in Federal and Washington Courts,” National Business Institute, 2008 and 2009
  • “New Horizons-The False Claims Act Outside of the Departments of Health and Human Services,” American Bar Association, National Institute on the Civil False Claims Act, and Qui Tam Enforcement, 2000
  • Co-author, “Report to the Truth Commission for El Salvador,” which set forth the findings and recommendations of our legal delegation, which traveled to El Salvador and investigated civilian deaths from an airstrike on their village (1992)

Speaking Engagements:

  • “Evidence and Expert Testimony Best Practices,” National Business Institute, December 2009 and November 2008
  • “Intellectual Property Protection Strategy,” CFO Roundtable, October 2007
  • “Contracts and Negotiations: The Litigation Angle in Drafting Commercial Agreements,” Washington State Bar Association, October 2006


Representative Cases/Matters

  • Represented Russian citizen (and former owner of intellectual property rights to the computer game Tetris) in complex international case for fraud and breach of fiduciary duty against former employees and agents, residents of Seattle. As lead trial counsel for plaintiff, obtained in 2014, following a month-long trial in Seattle, judgment:  finding that defendants committed fraud and breaches of fiduciary duty; declaring plaintiff to be sole owner of disputed company; removing defendants as officers and directors of company; ordering defendants to return valuable fire suppression technology licensing rights to plaintiff; ordering defendants to return real estate worth $1 million; awarding monetary judgments against defendants of $3.1 million for money wrongfully taken, and more than $900,000 in plaintiff’s attorneys’ fees and costs; and dismissing and awarding defendants nothing on counterclaims of more than $5 million for money claimed to be owned to them as a result of plaintiff’s sale of intellectual property rights in Tetris. To view judgments in this case, please see our August 12, 2014 news item.
  • Counsel for manufacturing corporation in multi-ten-million-dollar case seeking reimbursement for environmental cleanup costs under insurance policies issued to the corporation. Case favorably settled.
  • Counsel for small business owner in action against insurance company to establish defense and indemnity coverage for environmental cleanup costs and to recover damages for bad faith insurance practices. Case favorably settled.
  • Obtained for corporation client an order granting preliminary injunction against former chief executive officer and majority shareholder, prohibiting him from representing to corporation’s customers and others that he holds ownership rights in the company’s patented intellectual property. The case settled favorably as a result of the order.
  • Represented software development company and obtained more than $40 million in negotiated settlement of dispute over software development contract.
  • Recovered foreign company’s entire $2 million investment in a local technology startup company, in a case alleging that through fraud and accounting artifice, the investment money had been diverted by startup’s parent company and officers.
  • Successfully defended corporation in multi-million-dollar claim alleging unlawful spamming and unauthorized access to Internet service provider’s servers.
  • Defended corporate officer and director in lawsuit by investor seeking more than $1 million. The case settled for a small fraction of the claim.
  • Counsel for defendant estate in action brought by plaintiff claiming one-half interest in defendant’s real property. The case settled during trial for a small fraction of the claim.
  • Represented plaintiff in an arbitration proceeding involving claims of misappropriation of trade secrets and breach of software license claims. Obtained a favorable settlement, including recovery of attorney’s fees.
  • Represented polymer plastics manufacturing corporation in prosecution of two patent infringement cases with antitrust counterclaims. Obtained favorable stipulated judgments on the patents, and dismissal of both counterclaims.
  • Member of plaintiff’s legal team in a large antitrust case (Caldera, Inc. v. Microsoft, Inc.). The case involved complex intellectual property and software licensing issues, and resulted in a multi-hundred-million-dollar settlement.