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About me

Mr. O’Shea received a B.A. in Political Science and a B.A. in History from DePaul University. He received his Juris Doctorate from Saint Louis University School of Law where he finished in the top 27% of his class. During law school, Mr. O'Shea participated in Trial Advocacy, served as Vice-President of the Federalist Society and worked as an extern in the United States Bankruptcy Court, Eastern District of Missouri. Mr. O'Shea was also the recipient of two Academic Excellence Awards (highest grade obtained in the class) in the field of Constitutional Law and American Legal History. Mr. O’Shea has worked at Stange Law Firm, LLC since 2008. Since joining the firm, Mr. O'Shea has written several appellate court briefs and has successfully argued before the Missouri Court of Appeals, Eastern District. Mr. O’Shea primarily handles matters involving divorce, paternity, child custody, child support, appeals, grandparent visitation and other domestic litigation. Mr. O’Shea is based out of the St. Louis (Brentwood) office.


Practice areas


  1. Family: 100%



Hourly ($160/hour)

Payment types:

Cash, Check, Credit card

Attorney endorsements

21 total 

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  • Ryan Lee Munro

    I endorse this lawyer.


    Ryan Munro Divorce and separation Attorney
    Relationship: Fellow lawyer in community

  • Thomas James SanFilippo

    Mike is knowledgable, diligent, and aggressive in representing his clients.


    Thomas SanFilippo Employment and labor Attorney
    Relationship: Fellow lawyer in community

Contact info

Pedano, O'Shea, McGavic & Hogenmiller LLC

17998 Chesterfield Airport Rd.
Chesterfield, MO, 63005


MOGood Standing, Active201010/06/2010
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Academic Excellence Award - Constitutional lawSLU University School of Law2009
Academic Excellence Award - American Legal HistorySaint Louis University School of Law2008
Work experience
TitleCompany nameDuration
Associate AttorneyStange Law Firm LLC2010 - Present
Law ClerkStange Law Firm, LLC2008 - 2010
ExternshipHonorable Kathy Surrat-States2008 - 2008
Association namePosition nameDuration
Missouri State Bar AssociationN/AN/A
Legal cases
Case nameOutcome
Atchley v. Atchley won on the issue of maintenance and the Court of Appeals reversed the trial court award of 1,500 to wife per month.
See all legal cases 
Publication nameTitleDate
Lincoln Park StatesmanEditor-In-Chief2006
School nameMajorDegreeGraduated
DePaul UniversityPolitical ScienceBA - Bachelor of Arts2007
Saint Louis University School of LawLawJD - Juris DoctorN/A