Counsel you can trust.

Macdonald Devin is a Dallas, Texas based law firm. Since 1987, our attorneys have represented local, regional, national and international clients across numerous industries in the following practice areas: Appellate, Architects and Engineers, Aviation, Business Litigation, Commercial/Transactional, Construction, Director and Officers Liability, Employment and Labor, Food, Drug and Medical Device, Health Law, Hospitality, Insurance Defense, Neutraceutical, Nursing Home and Long Term Care, Pharmaceutical, Premises Liability, Products Liability, Professional Liability, Toxic Tort and Environmental, and Transportation.

Our lawyers will provide direction and leadership to relentlessly pursue the most expeditious course for our clients to achieve the best possible result.



  • Featured Counsel
    Jason M. Jung

    Jason has achieved success for his clients in court, mediation and working directly with opposing counsel

    More Arrow-home  
  • Get Started Today.

    Are you seeking direction to a legal dilemma? Can you use some sound counsel? Tell us how we can help you with a legal issue that's got you off course.

News & Events

Clayton Devin Elected TADC Treasurer for 2014-2015

Clayton Devin Speaks at State Bar of Texas Seminars in Dallas, San Antonio, and Houston

David Macdonald and Jennifer LeBlanc Sustain MSJ for Medical Device Manufacturer

Clayton Devin selected to Planning Committee and Faculty of the SBOT Advanced Personal Injury Seminar

Matt Mumm and Greg Ziegler win defense-favorable result for structural engineer

Greg Ziegler and Matt Mumm win jury trial for architect in $6 million hotel foundation case

Clayton Devin Speaks at TADC Spring Meeting on Current Trends in Construction Indemnity Issues

Recognizing Excellence: 2014 Rising Stars, Bill Gardner, Jason Burris, and Jason Jung

Greg Ziegler and Jason Burris Win Defense Verdict for National Health Care Provider

Clayton Devin selected to faculty of the 2013 State Bar of Texas Advanced Personal Injury Law Seminar

Bill Gardner authors article in Dallas Bar Association Headnotes

Greg Ziegler leads defense of geotechnical engineer in successful settlement of $30 million wharf failure lawsuit

David Macdonald and Jennifer LeBlanc Obtain Dismissal for Pharmaceutical Manufacturer

Jason Burris and Mandi Philips, 2013 Rising Stars


Macdonald Devin congratulates two Associate Attorneys on their selection as 2013 Rising Stars


Bryan Rutherford and Greg Ziegler Obtain reversal in the Texas Supreme Court

Reversal in the Texas Supreme Court in an opinion favorable to design professionals

Clayton Devin and Jason Jung Secure Defense Verdict for in Barnett Shale Dispute


Defense verdict for a publicly-traded oilfield service company in a dispute with the owner/operator of a Barnett Shale Field saltwater injection well


Greg Ziegler and Bryan Rutherford Win in Texas Supreme Court for Geotechnical Engineering Firm

Greg Ziegler and Russell Clinage Win Defense Verdict in $5 Million Claim

David Macdonald Retained as Statewide Local Counsel for National Meningitis Litigation

Macdonald Devin: A Texas Top Ranked Law Firm

Greg Ziegler and Steve Baggett win trial for Architectural Engineering firm against Corps of Engineers in $7 million lawsuit


The Army Corps of Engineers sought $7 million from the A/E firm for the cost repairs to piping of dormitories at Lackland Air Force Base


John Kenefick and Mandi Phillips Win Pre-Trial Elimination of $1M in Claimed Damages


Almost $1M in claimed future lost wages is eliminated before the trial even starts


Macdonald Devin donates computers to Pre-K Academy


The First United Methodist Church of Bedford was the recipient of 27 computers


Greg Ziegler, Bryan Rutherford, and Bill Gardner win dismissal for engineer and engineering firm


All claims against residential subdivision development dismissed