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About me

Isaac Villarreal is a commercial trial lawyer representing clients in a wide array of industries.  He helps his clients avoid, manage, fix, and/or resolve business and commercial disputes.  Mr. Villarreal's focus on various areas of business litigation includes disputes involving contract claims and business torts, real estate matters, residential and commercial construction defects, mechanic's and materialman's liens and bond claims, and commercial and consumer collections.


Understanding that his clients’ business goals and objectives come first, Mr. Villarreal utilizes his experience and successes to provide his clients with multiple options that might allow them to avoid and/or limit the time and expense typically associated with prolonged litigation. 


Mr. Villarreal's accomplishments include many successful trials in Texas State and Federal Courts with claims asserted and/or defended that have been valued well into the many millions of dollars.  


An example of Mr. Villarreal's successes include a 2013 matter where Mr. Villarreal was recognized by The Texas Lawyer as the “Litigator of the Week” for the results that he obtained on behalf of his client, a Mexican legal entity, in a multi-day jury trial in a Federal District Court in the Southern District of Texas.


Mr. Villarreal's skills and experience is relied upon by business clients of all shapes and sizes. His clients include locally owned businesses and their owners, mid-sized domestic companies, and much larger international companies and individuals.  No business is too big or too small for Mr. Villarreal and he always strives to provide all of his clients with results that meet or exceed their specific business objectives.



Languages spoken: Spanish, English

Contact info

McCathern PLLC

2000 West Loop S, Suite 2100
Houston, TX, 77027

Practice areas


  1. Litigation: 80%
  2. Real Estate: 10%
  3. Business: 10%

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TXEligible To Practice In Texas 200807/16/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
Trial AttorneyMcCathern PLLC2016 - Present
Attorney and MeditaorCrinion Davis & Richardson LLP2006 - Present
Legal AssistantMarion J. Borchers, P.C.2003 - 2005
Association namePosition nameDuration
Houston Bar AssociationN/A2008 - Present
Hispanic Bar AssociationN/A2008 - Present
Garland Walker American Inns of CourtN/A2007 - Present
Publication nameTitleDate
State Bar of Texas, Alternative Dispute Resolution SectionSignature Required? Fifth Circuit’s Holding Implies That Equitable Estoppel May Not Apply Unless a Signature is on an Agreement, published in Alternative ResolutionsN/A
State Bar of Texas, Alternative Dispute Resolution SectionFifth Circuit Finds Arbitration Award Valid Despite Questions as to Qualifications of Non-Public Arbitrator, published in Alternative ResolutionsN/A
State Bar of Texas, Alternative Dispute Resolution SectionAustin Appeals Court Decision Implies That Mediation Agreement Affecting Termination of Parental Rights Requires Express, Complete Compliance, published in Alternative ResolutionsN/A
State Bar of Texas, Alternative Dispute Resolution SectionSupreme Court of Texas Holds Arbitration Was Not Waived and Conditionally Grants Writ of Mandamus, publication pending in Alternative ResolutionsN/A
School nameMajorDegreeGraduated
Thurgood Marshall School of LawLawJD - Juris Doctor--Magna Cum Laude2008
Southwest Texas State UniversityLegal StudiesMA - Masters2004
Southwest Texas State UniversityEnglishBA - Bachelor of Arts2002