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About me


Cathleen has extensive experience in civil litigation. Cathleen has argued hundreds of motions in court, and has tried many cases to successful verdicts.  She also has argued before the Massachusetts Court of Appeals and the Supreme Judicial Court of Massachusetts.  Since 2009, Cathleen has been primarily focusing her practice in the area of domestic relations, and has hundreds of clients in divorce, custody, child support, adoptions and visitation matters. She also serves as a Guardian ad Litem doing custody evaluations to help families resolve difficult family law matters. She was recently named a 2013 and 2014 Rising Star by Super Lawyers Magazine for her work in family law, as well as one of the Top Women Attorneys in Massachusetts in 2013 and 2014.


Cathleen is an active member of the Massachusetts Bar Association, Boston Bar Association, Massachusetts Continuing Legal Education, The Greater Boston Family Law American Inn of Court, the AFCC, Massachusetts Association of Guardians Ad Litem and the Justinian Law Society. 


Cathleen is also a qualified estate planner and bankruptcy attorney, focusing on Chapter 7 and Chapter 13 bankruptcy protections for her clients. Cathleen is admitted to practice in Massachusetts, New Hampshire and before the United States District Court for the District of Massachusetts. She also holds a broker's license in Massachusetts, and owns and operates LKC Realty, LLC along with her business partner Breanna Lungo-Koehn.



Photos and videos

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Practice areas


  1. Family: 80%
    7 years, 200 cases
  2. Estate Planning: 10%
    7 years, 200 cases
  3. Chapter 7: 10%
    7 years, 250 cases



Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • No photo

    I endorse this lawyer. She truly advocates for her clients and will always fight for their best interests. Attorney Collins is an outstanding attorney, I would highly recommend her.


    Kimberly Scanlon
    Relationship: Friend

  • Breanna Lungo-Koehn

    I endorse this lawyer. She is a hardworking knowledgeable attorney whom I have worked with for the last six years. She is an amazing advocate for all of her family law clients. She knows the legal system, the rules, the laws, the ins and outs of the courts and most of all she knows how to get each matter resolved for the best interests of the client every time. There is no one I would rather on my side!


    Breanna Lungo-Koehn Personal Injury Attorney
    Relationship: Other

Contact info


NHAuthorized to practice law201302/14/2014
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top Women Lawyers in MassachusettsBoston Magazine2015
2015 Rising StarSuper Lawyers2015
Top Women Lawyers in MassachusettsBoston Magazine2014
Rising StarSuper Lawyers Magazine2014
2013 Rising StarSuper Lawyers Magazine2013
Work experience
TitleCompany nameDuration
PartnerLaw Offices of Lungo-Koehn & Collins2009 - Present
Assistant Attorney GeneralU.S. Government2007 - 2009
ParalegalUS Government2002 - 2007
Association namePosition nameDuration
Greater Boston Family Law American Inn of CourtMember2015 - Present
Massachusetts Association of Guardians ad LitemMember2014 - Present
Association of Family and Conciliation CourtsMember2014 - Present
Justinian Law Society of MassachusettsN/A2013 - Present
Middlesex County Bar AssociationN/A2012 - Present
Boston Bar Association, Family Law SectionN/A2009 - Present
Massachusetts Bar AssociationN/A2009 - Present
National Lawyers GuildN/A2009 - Present
Legal cases
Case nameOutcome
Mother v. FatherFavoriable outcome for my client
See all legal cases 
Publication nameTitleDate
Middlesex Probate CourtGAL Report2014
School nameMajorDegreeGraduated
Suffolk University Law SchoolLawJD - Juris Doctor2007
Boston University School of LawPolitical ScienceBA - Bachelor of Arts2002
Speaking engagements
Conference nameTitleDate
AGO TrainingTort Claims Act2006
MA AGOContract Procedures2005