S. Wallace Dunwoody is a partner in the complex litigation/dispute resolution group. Wallace serves as trial counsel for plaintiffs and defendants in cases involving patents and trade secrets; contracts, agreements, and licenses; fraud and deceptive trade practices; fiduciary duties of corporate officers and directors; covenants not to compete and unfair competition; large-scale property damage; securities, real estate, banking, and oil and gas matters.

Wallace combines smart, zealous advocacy with honesty, integrity, and attention to detail. Whether representing a large company or an individual inventor, Wallace fashions the facts of each case into a credible and compelling narrative. Wallace’s reputation as a tenacious, ethical advocate has earned him repeated recognition as a Texas Rising Star by Thomson Reuters.

Wallace received his undergraduate degree from Texas Tech University with a double major in finance and economics and his J.D. from Southern Methodist University Dedman School of Law, where he was an editor for the International Law Review Association. Wallace and his wife, Lauren, are proud parents of two daughters.

  • Plaintiff’s counsel for inventors in patent matters involving fitness monitoring and fall detection devices
  • Representing defendants accused of patent infringement involving biochemistry, smartphones, software systems, and other technologies
  • Represented defense contractor accused of fraud and deceptive trade practices in multiparty litigation
  • Representing plaintiffs on product defect and negligence claims involving large property losses and business interruption
  • Defending oil and gas company against investor suits
  • Representing technology company on various commercial, securities, intellectual property, and employment matters
  • Representing real estate management company on various commercial and noncompete matters
  • Defended rare coin dealer accused of fraud, deceptive, trade practice, and alter ego
  • Defended telecom company in suit over pre-paid calling cards; obtained defense verdict for $1.2 million in returns of defective cards
  • Represented drug manufacturer on pharmaceutical patent claims (ANDA litigation) against generic competitors
  • Represented building owner on a large fire loss at a restaurant where the fire suppression system failed to activate
  • Defended bank against claims for unpaid commissions and partnership profits; obtained defense verdict of $10,000 on a $500,000 claim
  • Represented mall owner on $30 million property loss caused by roof collapses
  • Defended manufacturer of fiber optic connectors in patent infringement suit; obtained unanimous jury verdict of no infringement
  • Represented vending machine manufacturer in patent infringement suit against two main competitors
  • Defended officers and directors on $100 million breach of fiduciary duty claims by Chapter 7 Trustee
  • Represented purchaser of land in a $5 million dispute regarding restrictive covenants on the property
  • Defended hotel owner in $8 million dispute involving claims of corporate waste, breach of contract, and fraud
  • Represented buyer in $10 million dispute against sellers of sign manufacturing business for failing to honor purchase agreement
  • Represented governmental taxing authority in $25 million collection dispute involving oil and gas interests
  • Represented real estate investment trust in a dispute against commercial lender over dishonored $150 million lending commitment
  • Corporate counsel on multi-million dollar real estate transactions, including acquisitions and dispositions, contract negotiations, and land development

  • Corporate Representative Depositions: Tips and Traps,
    Dallas Bar Association Headnotes, September 2015
  • The Sword and the Shield: Building offensive and defensive IP portfolio,
    Inside Counsel, 2014
  • Building an Offensive and Defensive IP Portfolio: Identifying Opportunities and Countering Threats, Commercial Law WebAdvisor, 2014

In the News

Litigation Department of the Year 2018: Munck Wilson Mandala

Finalist in the Midsize Firm Category In the mid-1990s, Bill Munck went on the hunt for the perfect place to set up a high-tech litigation firm. After visiting Silicon Valley, Washington, D.C., and New York, where most IP firms were concentrated at the time, he ended up rejecting both the East and West coasts and staked his

3 minute read

Press Releases

Seven Munck Wilson Mandala Attorneys Selected as Texas Rising Stars

Published by Thomson Reuters, the Texas Rising Stars listing recognizes the top young lawyers in the state based on a multiphase process that includes nominations, an independent research evaluation of candidates and peer reviews by practice area. Three of the recognized Rising Stars, Sarah Lopano, Lauren Mitchell and Jordan Strauss, will be included in the

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Press Releases

Seven Munck Wilson Mandala Attorneys Selected as Texas Rising Stars

This year, two additional lists will be published: Top 100 Up-and-Coming Texas Rising Stars and Top 50 Up-and-Coming Women Texas Rising Stars.  Munck Wilson is proud to have three attorneys listed among the Top 100 Up-and-Coming Texas Rising Stars: Kelly Chen, Wallace Dunwoody and Jessica Spaniol.  Chen and Spaniol are also listed among the Top

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Press Releases

23 Munck Wilson Mandala Lawyers Named to 2024 Best Lawyers List

Munck Wilson Mandala is pleased to announce that 23 lawyers have been included in the 2024 edition of The Best Lawyers in America. Since it was first published in 1983, Best Lawyers has become universally regarded as the definitive guide to legal excellence. Lawyers on The Best Lawyers in America list are divided by geographic

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Press Releases

Munck Wilson Mandala Ranked Among 2024 Best Lawyers “Best Law Firms”

In Dallas, MWM ranked as a Best Law Firm® in commercial litigation, copyright law, corporate law, employment law/management, insurance law, labor law/management, litigation/construction, litigation/intellectual property, litigation/labor and employment, litigation/patent, mergers and acquisitions law, patent law, sports law, technology law, trademark law, and venture capital law. In Austin, MWM ranked as a Best Law Firm® in

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Southern Methodist University Dedman School of Law, JD, 2003

Texas Tech University, BBA, 2000


cum laude

  • State Bar of Texas
  • Dallas Bar Association
  • Dallas Association of Young Lawyers

  • Best Lawyers in America
  • Texas Rising Star, Thomson Reuters
    2010, 2012-2019
  • Top 100 Up-and-Coming Texas Rising Stars, Thomson Reuters

Texas, 2003

U.S. Court of Appeals for the Fifth Circuit

U.S. Court of Appeals for the Federal Circuit

U.S. District Court for the Northern District of Texas

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Western District of Texas

U.S. District Court for the Southern District of Texas

U.S. District Court for the District of Colorado