Munck Wilson Mandala

S. Wallace Dunwoody

(972) 628-3636

Recognized Trial Lawyer

Wallace fashions the facts of each case into a credible and compelling narrative that brings results for his clients.

Diverse Litigation Practice

Wallace represents clients in disputes involving trade secrets, fraud, large-scale property damage, securities, real estate, and oil and gas.

Great Client Service

Clients consider Wallace a diligent and personable litigator.  They say it is a pleasure to work with him.

Wallace Dunwoody is a partner in the litigation 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, he fashions the facts of each case into a credible and compelling narrative.

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.

Representative Matters

  • 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.


Southern Methodist University Dedman School of Law, 2003
Juris Doctorate
Honors: Phi Delta Phi, International Law Review
J. Cleo Thompson Scholarship
Texas Tech University, 2000
B.B.A. – Finance / Economics
Cum laude, Honors College, President’s Scholarship

Associations & Memberships

State Bar of Texas

Dallas Bar Association

Dallas Association of Young Lawyers

Honors & Awards

Texas Rising Star, Thomson Reuters
2010, 2012-2019

Top 100 Up-and-Coming Texas Rising Stars, Thomson Reuters

Bar Admissions

Texas, 2003

U.S. Court of Appeals, 5th Circuit

U.S. Court of Appeals, Federal Circuit

U.S. District Court, Northern District of Texas

U.S. District Court, Eastern District of Texas

U.S. District Court, Western District of Texas

U.S. District Court, Southern District of Texas

U.S. District Court, District of Colorado

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


Focus Areas

Antitrust & Competition

Class Action Litigation

Commercial Litigation

Corporate Governance Litigation

Large Loss Property Subrogation

Patent Litigation

Securities Litigation

Trade Secret Litigation