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About me



Dennis Sheehan has more than 30 years of experience. In the past few years.  His trial/mediation practice has spanned many diverse areas, such as, disputes in the oil and gas industry, health care fraud litigation, commercial and transactional litigation, debtor/creditor disputes, land use disputes, sexual harassment disputes, products liability litigation, and medical malpractice defense.  Sheehan has focused the majority of his practice in his role as Settlement Counsel, assisting counsel and parties in reaching a fair settlement and in assisting in Mass Tort Settlements as both Guardian Ad Litem and Allocation Counsel. In doing so Sheehan has worked on over 1500 cases involving such drugs as Paxil, Advair, Yaz, Topamax, and Risperdal. 


Sheehan's practice has taken him to numerous federal, state, and bankruptcy court venues in Texas and throughout the United States. During that time, Sheehan has handled appeals in the United States Supreme Court, The Texas Supreme Court, The United States Court of Appeals for the Fifth Circuit, and various State Courts of Appeals.


In addition, Sheehan spent several years practicing in the Eastern Caribbean providing legal services to international and domestic businesses, developers, investors and associated enterprises enabling them to effectively conduct business in the Caribbean. Sheehan is a member of the Supreme Court of England & Wales and the Supreme Court of the Eastern Caribbean.


As a certified attorney Mediator Sheehan is dedicated to aiding parties and their attorneys in reaching a peaceable resolution of civil disputes. In his role as an unbiased, neutral third party, Sheehan facilitates open and thoughtful communications between the parties to promote reconciliation, settlement or an understanding among them. Based upon his work, Sheehan has been appointed as an Arbitrator for FINRA arbitrations.



Bar Admissions

• Texas Bar

• Law Society of England & Wales

• Anguilla


Court Admissions

• Supreme Court of the United States

• Supreme Court of England & Wales

• Supreme Court of the Eastern Caribbean

• United States Fifth Circuit Court of Appeals

• Various United States District Courts

• Texas State Courts 


Professional Associations
• Texas Bar Association 

• Galveston Bar Association

• Law Society of England & Wales

• International Bar Association

• Anguillian Bar Association

• International Association of Privacy Professionals

• International Economic Development Council














Practice areas


  1. Mediation: 40%
    36 years
  2. Arbitration: 30%
    36 years
  3. International Law: 15%
    16 years
  4. Litigation: 15%
    36 years



Hourly ($350-550/hour), contingent (33-40%), Fixed (sometimes)

Payment types:

Cash, Check

Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • E. Earl Harcrow

    Dennis is a good person beside being a fine lawyer. He does an excellent job for his clients. I am happy to recommend Dennis.


    E. Harcrow Business Attorney
    Relationship: Fellow lawyer in community

  • No photo

    I endorse this lawyer's work. He was my partner in the law firm that I am now in. He is an excellent and thoughtful lawyer. His ethics are immpecable


    William Greenhill Corporate and incorporation Attorney
    Relationship: Fellow lawyer in community

Contact info

Sheehan Law Firm, PLLC

Old Galveston Square
2211 The Strand, Suite 203
Galveston, TX, 77550


TXEligible To Practice In Texas 197908/17/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top LawyersHoustonia Magazine2014
Top LawyersHoustonia Magazine2013
Certified MediatorDispute Resolution Center2010
MemberEastern Caribbean Supreme Court2007
SolicitorSupreme Court of England & Wales2004
SolicitorLaw Society England & Wales2004
QLTT SolicitorBoard of Trustees of QLTT International2004
AV RatedMartindale-Hubbell2002
AV RatedMartindale-Hubbell2001
AV RatedMartindale-Hubbell2000
President's Certificate of Outstanding AchievementTarrant County Bar Association2000
AV RatedMartindale-Hubbell2000
AV RatedMartindale-Hubbell1999
AV RatedMartindale-Hubbell1998
Lawyer AppreciationTarrant County Bar Association1998
AV RatedMartindale-Hubbell1997
AdmiralTexas Navy1991
Work experience
TitleCompany nameDuration
AttorneySheehan Law Firm, PLLC2009 - Present
SolicitorCaribbean Juris Chambers2001 - Present
PartnerHaynes and Boone LLP1985 - 2000
AttorneyCantey & Hanger LLP1982 - 1985
AttorneyWoods Aston Mays Harman & Watt1979 - 1982
Association namePosition nameDuration
The Association for International Arbitration (AIA)Member2011 - Present
FINRA (Financial Industry Regulatory Authority)Arbitrator2011 - Present
Galveston Bar AssociationMember2010 - Present
Association of Attorney-MediatorsMember2010 - Present
International Economic Development CouncilMember2009 - Present
American Association of Privacy ProfessionalsMember2009 - Present
Texas Economic Development CouncilMember2008 - Present
Eastern Caribbean Supreme CourtNotary2004 - Present
Supreme Court of England & WalesSolicitor2004 - Present
The Rolls of Solicitors of England & WalesSolicitor2004 - Present
Supreme Court of the Eastern CaribbeanSolicitor2004 - Present
Anguilla (West Indies) Bar AssociationSolicitor2004 - Present
American Trial Lawyers AssociationSustaining Member2000 - Present
United States Supreme Court BarMember1988 - Present
American Bar AssociationMember1979 - Present
State Bar of TexasMember1979 - Present
Texas NotariesNotary1979 - Present
United States Embassy-BarbadosUS Warden (Anguilla)2006 - 2008
The Society of Trust and Estate PractitionersMember2003 - 2009
Tarrant County Democratic PartyChairman1986 - 1990
Legal cases
Case nameOutcome
Pointe West Codominium Association vs. CENTEXSettled
See all legal cases 
Publication nameTitleDate
CJC BriefsPATRIOT Act Revisted2013
CJC BriefsCaribbean MOUs and More2013
Caribbean Real EstateReal Estate Investments in the Caribbean2008
CJC NewsDoing Business in the Eastern Caribbean2008
CJC LawCaribbean Title Policies2007
CJC PublicationAsset Protection: Belts and Suspenders2006
School nameMajorDegreeGraduated
University of Houston Law CenterLawJD - Juris Doctor1979
Texas Tech UniversityPolitical Science/SociologyBA - Bachelor of Arts1976
Speaking engagements
Conference nameTitleDate
Caribbean Juris Chambers UpdateEastern Caribbean Arbitrations2013
Arbitrating Caribbean DisputesArbitrating Construction Disputes in the Caribbean2012
US Money LaunderingUS Money Laundrying & Foreign Banks2008
CEB Conference 2008On The Road: Offshore Trust, An Anguillian Example2008
Patriot Act and International BankingPatriot Act Meets International Banking2007
Offshore Business In AnguillaOn The Road: Offshore Trust, An Anguillian Example2007
US Patriot Act AdvisoryUS Patriot Act and Over Seas Banks2006
Texas Real EstatePowers of Eminent Domain for Commercial Enterprises: A Shopping Mall2000
Texas Legal SecretariesElection Recount Litigation2000