Skip to content
DWT logo
People Services Insights
About Offices Careers
Search
People
Services
Insights
About
Offices
Careers
Search
Desktop Image: Haas, Mary
Mobile Image: Haas, Mary

Mary H. Haas

Partner

T 213.633.6813 Los Angeles
  •  

Download vCard Download bio Print this page
Share

With nearly 30 years of commercial litigation experience, Mary maintains a broad and diverse litigation practice handling a wide variety of breach of contract, fraud, and corporate governance matters. She has extensive experience in real property litigation, including easements, slander of title, and boundary disputes. As an experienced creditor's rights lawyer, Mary is also masterful in handling recalcitrant debtors, enforcing multi-million dollar judgments and utilizing pre-judgment remedies such as writs of attachment and security agreements. Mary is a "lawyer's lawyer", with a practice supporting entertainment companies, financial institutions, healthcare providers, and real estate companies. She is seen as a trusted advisor who is sought out for guidance and strategies from both her clients and colleagues on how best to handle complex litigation issues.

Practice Highlights

  • Represented a large media company in a breach of distribution agreement dispute
  • Successfully represented a large communications company in an employee discrimination case; unanimous defense verdict
  • Represented a consortium of mental healthcare providers in a dispute involving the rollout and implementation of a medical billing software system
  • Represented outdoor advertising agencies in zoning disputes with county and state agencies
  • Handled several enforcement of judgment actions totaling millions of dollars, including foreclosure and bankruptcy work

Real Estate Litigation

Searching...

Enforcement of Judgments/Creditor's Rights

Searching...

Healthcare Litigation

Searching...

Entertainment Litigation

Searching...

Admitted to Practice

  • California, 1990
  • U.S. District Court, Central District of California, 1990
  • U.S. District Court, Eastern District of California, 1990
  • U.S. District Court, Northern District of California, 1990
  • U.S. District Court, Southern District of California, 2004
  • U.S. District Court, Eastern District of Michigan, 2024

Education

  • J.D., The Catholic University of America, Columbus School of Law, 1990
    • Student Editor-in-Chief, Journal of Contemporary Health Law & Policy
    • Recipient, American Jurisprudence Award in Contracts
  • B.A., History, University of Michigan, 1987

Memberships & Affiliations

    • Vice Chair, Head of Legal Committee and Board of Trustees, Westside Neighborhood School, 2004-2009
    • Board Member, Los Angeles Chapter, Association of Business Trial Lawyers, 2012-2016
    • Merit Selection Panel Attorney Member, U.S. District Court Central District of California, 2017-present

Professional Recognition

    • Received the "H. Stewart Tremaine Award for Exemplary Teamwork," Davis Wright Tremaine, 2022
    • Named one of the "Best Lawyers in America" in Commercial Litigation by Best Lawyers, 2021-present
    • Named one of the "Most Influential Women Attorneys," Los Angeles Business Journal, 2019
    • Selected to "Southern California Super Lawyers," Thomson Reuters, 2007-2010
Clear Filter
Searching...
Your search returned no results. Please try another search or remove search criteria.
DWT logo
©1996-2025 Davis Wright Tremaine LLP. ALL RIGHTS RESERVED. Attorney Advertising. Not intended as legal advice. Prior results do not guarantee a similar outcome.
Media Kit Affiliations Legal notices
Privacy policy Employees DWT Collaborate EEO
SUBSCRIBE
©1996-2025 Davis Wright Tremaine LLP. ALL RIGHTS RESERVED. Attorney Advertising. Not intended as legal advice. Prior results do not guarantee a similar outcome.
Close
Close

CAUTION - Before you proceed, please note: By clicking "accept" you agree that our review of the information contained in your e-mail and any attachments will not create an attorney-client relationship, and will not prevent any lawyer in our firm from representing a party in any matter where that information is relevant, even if you submitted the information in good faith to retain us.