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David B. Mammel

About Me

David has practiced law for 20 years and specializes in estate planning, business, probate, real estate and litigation. He is owner of David B. Mammel PLLC, a/k/a Mammel Law, and is licensed in both Michigan and Indiana.

David is a Special Fiduciary at the Oakland County Probate Court. He is dedicated to educating the public on issues in estate planning including providing assets and care to loved ones, limiting taxes, and establishing healthcare protocols. David strives to serve each individual client’s estate planning needs, tailoring each plan to address wealth preservation and family financial security.

David holds a Certificate of Completion in the areas of Probate and Estate Planning issued by the Institute of Continuing Legal Education and the Probate and Estate Planning Section of the State Bar of Michigan.

With respect to defense litigation, David has successfully defended numerous lawsuits through dismissals or “no cause” jury verdicts.

David and his wife, Filippa, have two children, Jonathan and Angela. David completed his two year term as the president of the Lutheran Church of the Redeemer in Birmingham, Michigan, in 2009, and he has served as a church elder for 15 years. David enjoys playing and watching sports and attending his son’s theatrical productions and daughter’s dance recitals.


Photos and Videos

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Practice Areas


  1. Estate Planning: 55%
    15 years
  2. Business: 20%
    15 years
  3. Probate: 15%
    15 years
  4. Litigation: 5%
    20 years
  5. Real Estate: 5%
    15 years



Contingent (20-40%), Fixed (Sometimes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

1 total 

  • Rebecca Kristen Wrock

    David is an outstanding estate planning attorney who truly cares about his clients and helping them to achieve their goals.


    Rebecca Wrock Estate Planning Attorney
    Relationship: Worked for lawyer

Contact Info

Mammel Law

1441 W. Long Lake Rd
Suite 310
Troy, MI, 48098

Chapman Law Group

1441 W. Long Lake Rd
Suite 310
Troy, MI, 48098



MIActive And In Good Standing200010/08/2015
INActive In Good Standing199508/30/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Award NameGrantorDate Granted
Probate and Estate PlanningInstitute of Continuing Legal EducationN/A
Work Experience
TitleCompany NameDuration
OwnerDavid B. Mammel PLLC a/k/a Mammel Law2015 - Present
ShareholderChapman and Associates2001 - 2014
AssociateD'Agostini, Able & Ruggierri2000 - 2001
AssociateBruce P. Clarke & Associates1995 - 2000
Association NamePosition NameDuration
Indiana State BarMemberN/A
American Bar AssociationMemberN/A
State Bar of MichiganMemberN/A
State Bar of Michigan, Probate and Estate Planning SectionN/AN/A
Legal Cases
Case NameOutcome
Client's win against claim that they sold home without disclosing termite infestationDismissal and monetary sanctions granted in favor of clients
Client awarded $175,000 after being physically assaulted by his neighbor$175,000 Awarded to Client
George Oswald v ClientsNo Cause of Action
See all Legal Cases 
Publication NameTitleDate
Lawyers.comTax Planning: Not the Only Reason to Plan Your Estate2010
School NameMajorDegreeGraduated
Indiana University School of LawLawJD - Juris Doctor1994
University of MichiganCommunicationBA - Bachelor of Arts1989
Speaking Engagements
Conference NameTitleDate
Various Seminar LocationsTaking Control of Your Family Decisions: How to Leave a Lasting Christian Legacy to Your Loved Ones through Estate Planning2011
Birmingham Community House & Rochester Community HouseRoth IRA - Conversion Rules, Strategies & Techniques in a Perfect Storm: How to manage your wealth estate and legacy2010
Various Seminar LocationsAre you Up to Date? Keeping Your Estate Plan on Track2009
Various Seminar LocationsTaking Control of Your Family Decisions2008