Our Offices

33 Wood Lane
Rockville, Maryland 20850

Phone: (301) 762-1696
Fax: (301) 762-7691

100 N. Court Street
Frederick, Maryland 21701

Phone: (301) 698-8182
Fax: (301) 831-4318

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Colleen Coffman


Colleen Coffman practices primarily in the areas of civil and commercial litigation, family law, and estate planning and administration, but has experience in all of the firm’s practice areas.  Colleen joined Ethridge Quinn after a judicial clerkship with the Honorable Mary Beth McCormick in the Circuit Court for Montgomery County.   

A lifelong resident of Montgomery County, Maryland, Colleen graduated from Gaithersburg High School and received her undergraduate degree from the University of Maryland Robert H. Smith School of Business.  Colleen earned her Juris Doctor from the University of Maryland Francis King Carey School of Law, where she graduated cum laude. Following graduation from law school, Colleen was selected to serve as adjunct faculty advising law students enrolled in a writing course offered by the University of Maryland Carey School of Law.

Colleen is licensed to practice law in the State and Federal Courts of Maryland and she is a member of the Montgomery County Bar Association and the Maryland State Bar Association.  She has been named a Rising Star by Super Lawyers Magazine from 2018 through 2022.  Colleen enjoys spending time with her husband, daughter, son, and dog and rooting for Maryland Terrapin basketball.


Location: Rockville Office
Phone: (301) 762-1696
Fax: (301) 762-7691

Practice Areas

  • Civil Litigation
  • Commercial Litigation
  • Family Law
  • Estates and Trust Planning and Administration

Bar Memberships

State: Maryland
Date Admitted: December 2013

Professional & Civic Activities

  • Bar Association of Montgomery County
  • Maryland State Bar Association
  • Gaithersburg Sports Association, Board Member

Court Admissions

Court: Maryland
Date: December 2013

Court: United States District Court for the District of Maryland
Date: June 2015



School: University of Maryland, College Park
Degree: B.A.
Major: Marketing

School: University of Maryland Francis King Carey School of Law
Degree: Juris Doctorate
Honors: cum laude


Super Lawyers, Rising Star 2018, 2019, 2020, 2021, 2022

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