202.483.2900  |  contact@chf-law.com  |  1730 Rhode Island Ave., Suite 1015, Washington DC 20036

Katherine M. Wiedmann


Katherine M. Wiedmann
(202) 483–2900

Areas of practice

Trusts and Trust Administration
Estate Administration
Special Needs Trusts
Estate Planning

KATIE focuses on wills, trusts and estates and elder law. She has experience litigating issues relating to the duties and obligations of personal representatives in estate proceedings, conservators in intervention proceedings, and fiduciaries acting pursuant to a power of attorney.  She also assists a wide range of clients to prepare estate plans, including special needs trusts, advance directives documents and inter vivos trusts.

She is a member of the D.C. Court’s Fiduciary Panel and assists clients seeking the appointment of a guardian and conservator for adults and minors.  She was a presenter at the 2010 Guardianship Conference on end-of-life decisions and co-teaches a course on guardianships and conservatorships in the District of Columbia through the D.C. Bar.  She testified before the D.C. City Council concerning new legislation governing guardianships in the District of Columbia and was a speaker on the new law at a presentation through the D.C. Bar in 2015.  Before law school, she was a Peace Corps Volunteer in Cameroon.

Admitted to practice

  • District of Columbia, 2003
  • New York, 2002 (inactive)


  • The Washington College of Law, American University, cum laude (J.D. 2001)
  • Mercyhurst College, summa cum laude (B.A. 1994)

Professional experience

Katie was a law clerk at Crowley, Hoge and Fein PC while a student at the Washington College of Law.  After passing the New York bar she joined the firm as an associate attorney in 2002 and became a partner in 2007.

Memberships & activities

  • Steering Committee for the D.C. Bar’s Estates, Trusts and Probate Law Section (2010 – present) and Co-Chair of the Steering Committee (2011 – 2013)
  • D.C. Bar’s Technology Taskforce (2011-12)
  • D.C. Superior Court’s Fiduciary Panel (2003 – 2016)

Volunteer work

  • Probate Resource Center, D.C. Superior Court
  • Bread for the City, Legal Clinic