Mary Schaerdel Dietz

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111 Congress Avenue
Suite 1800
Austin, Texas 78701
512-703-6322 tel
512-703-6399 fax

Summary | Experience | News/Events
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Mary Dietz focuses her practice on commercial litigation matters. She has handled high profile cases and is well-versed in a multitude of emphases involving commercial and business litigation, such as the Texas Deceptive Trade Practices Act, construction law, contract law, open records act issues, administrative law and mediation. Recently, she has been involved in multi-million dollar class action suits, contract claims in arbitration sanctions for filing frivolous lawsuit, and theft of trade secret and breach of non-competition agreements. Mary Dietz has extensive experience in extraordinary remedy practice, specifically in injunctions and garnishments. She has given CLE speeches and prepared written papers on injunctions and extraordinary remedies, as well as other subjects such as sanctions and professionalism. She has handled arbitration disputes, is a trained and recognized mediator, and has handled many regulatory matters for clients with state agencies and boards.

Professional Background 
Mary Dietz was one of the first female civil litigators in the Waco, Texas community, trying over 22 jury cases in her first three years of practice. Her early success was only the beginning of an outstanding career as a lawyer, leader, mentor and volunteer. She has practiced for more than 32 years and has handled cases in Texas and across the United States. Before joining the firm, Mary Dietz was a partner in a large international law firm for more than 15 years, handling complex litigation cases, heading the firm's litigation section mentoring program, and co-coordinated the work-life balance program.

  • Austin Bar Association
    • Board of Directors (former)
    • Judicial Affairs Committee
    • Bench Bar Committee, past chair
    • Diversity in the Profession Committee
    • Continuing Legal Education Committee
    • Bar & Grill Finance Committee, past chair
  • American Board of Trial Advocates (ABOTA), immediate past President of statewide Tex-ABOTA Chapter
  • Austin ABOTA Chapter: President 2007-2010; past membership chair, 2004-2005; vice president, 2005-2007
  • State Bar of Texas, State Bar Federal Laws and Regulations Affecting the Bar Committee (former)
  • 2004 5th Circuit Judicial Conference, committee co-chair
  • Travis County Settlement Week, mediator (former)
  • Austin Chamber of Commerce, Legislative Committee (former) 
  • Austin Bar Foundation, Director (former)
  • Robert W. Calvert Inns of Court, Master (former) 
  • Member, Real Estate Council of Austin (RECA); serving on Regional Issues & Transportation subcommittees (former)
  • The Center for Women in Law Annual Leadership Boot Camp Faculty 2009-2010
  • Volunteer, Mobile Loaves and Fishes
  • State Bar of Texas 2014 Annual Meeting Committee
  • "Texas Super Lawyer," Law and Politics Magazine, 2013
  • "The Best Lawyers in America," Commercial Litigation, 2007-2015
  • "Best of Business and Corporate Law," Austin Business Journal, 2004
  • "Texas Super Lawyer," in Business Litigation Law, Texas Monthly, 2003, 2005-2014
  • Travis County Women's Lawyer's Association Litigator of the Year Award, 2003
  • Austin Bar Association and Austin Bar Foundation Award in appreciation for her volunteer service on the Board of Directors of the Austin Bar Foundation from 2004-2011
  • American Board of Trial Advocates (ABOTA), National Chapter of the Year 2009, Austin Chapter President
  • Martindale-Hubbell® AV® PreeminentTM  for over 15 years. Peer Review Rating
  • Baylor University School of Law, J.D., cum laude, 1982
  • Texas Woman's University, B.S., with honors, 1972
Admitted to Practice
  • Supreme Court Texas
  • United States Court of Appeals Fifth Circuit
  • United States District Court Western District of Texas
  • United States District Court Southern District of Texas
  • United States District Court Northern District of Texas
  • United States District Court Eastern District of Texas