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About me


Brendan concentrates his practice on complex family law matters, representing individuals in negotiations, trials and appeals on a wide range of issues, including the characterization, valuation and division of assets, fraud, waste and reimbursement claims and spousal challenges to family estate plans.

In the litigation context, Brendan specializes in the argument of dispositive motions, conducting trials and hearings, and defending against and prosecuting issues relating to the intersection of matrimonial and trust law, as well as claims of fraudulent concealment of assets. 


Practice areas


  1. Divorce: 75%
  2. Prenuptials: 15%
  3. Family: 10%


Payment types:

Cash, Check, Credit card

Attorney endorsements

3 total 

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  • Mark V. Clay

    I highly endorse Mr. Hammer. Very knowledgeable and caring attorney who gets great results in representing clients! I want all people with legal problems to contact him first.


    Mark Clay Immigration Attorney
    Relationship: Fellow lawyer in community

  • Marta Coblitz

    I endorse this lawyer.


    Marta Coblitz Family Attorney
    Relationship: Opposing Counsel on matter

Contact info


109 North Post Oak Lane
Suite 425
Houston, TX, 77024


TXEligible To Practice In Texas 201507/16/2016
ILActive And Authorized To Practice Law200705/11/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Emerging LawyersLeading Lawyers Network2015
40 Illinois Attorneys Under Forty to WatchLaw Bulletin Publishing Company2012
Trial Advocacy ProgramHouston Family Law Trial InstituteN/A
Advanced Cross Examination Prog.Houston Family Law Trial InstituteN/A
Rising Stars 2010-2016 - Family LawSuper LawyersN/A
Quarter-Finalist Appellate Moot Court CompetitionHispanic National Bar AssociationN/A
Trial Advocacy - CALI Excellence AwardDePaul University College of LawN/A
Marital Dissolution Process - CALI Excellence AwardDePaul University College of LawN/A
Fellow in Schiller DuCanto & Fleck Family Law CenterDePaul University College of LawN/A
DePaul Law Review (Staff Member)DePaul University College of LawN/A
Order of the CoifDePaul University College of LawN/A
Work experience
TitleCompany nameDuration
AttorneyKoonsFuller2015 - Present
PartnerBerger Schatz2007 - Present
Association namePosition nameDuration
American Bar AssociationMemberN/A
Illinois State Bar AssociationN/AN/A
State Bar of TexasN/AN/A
Association of Family and Conciliation CourtsN/AN/A
American Association for JusticeN/AN/A
Publication nameTitleDate
Drafting Prenuptial Agreements (Skoloff, Brown & Singer)2012 Illinois Case Law Supplement, Co-Authored with Barry A. Schatz2012
ISBA Family Law HandbookDiscovery in Family Law Cases, Co-Authored with Barry A. Schatz2011
Family Law UpdateA Divorce Practitioner's Introduction to Determining Schedule C and Subchapter S Income, Co-Authored with Barry A. Schatz2010
DePaul Law ReviewTainted Love: What the Seventh Circuit Got Wrong in Muth v. Frank2007
School nameMajorDegreeGraduated
DePaul University College of LawLawJD - Juris Doctor (Magna Cum Laude)2007
Indiana UniversityN/AN/AN/A
Speaking engagements
Conference nameTitleDate
Family Law SectionHow to Cross Examine a Witness2015
77th Annual ConferenceWilliams v. Illinois and Forensic Evidence2014