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Kathy Jo Cook


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About me

Kathy Jo Cook is the managing member of KJC Law Firm. She represents people who have been injured and people and businesses that have suffered an economic loss. This includes individuals who have been injured in a car crash, on a construction site, or by a doctor, nurse or lawyer. This also includes individuals and businesses which have been harmed by another as a result of unfair business practices or discrimination in employment.

Kathy Jo began her legal career at Lubin & Meyer, P.C. during law school. She joined Keches & Mallen, P.C. thereafter, where she handled complex claims on behalf of injured plaintiffs for 13 years. Kathy Jo litigated the first successful claim in Massachusetts to hold that an insurance company’s meritless appeal of an injured worker’s verdict was a bad faith insurance practice and violated the Consumer Protection Statute, securing the original judgment of more than 3 million dollars and an additional 4.2 million dollar punitive judgment against the insurance company for that practice. In 2010, she prevailed in Law v. Griffith, 457 Mass. 349 (2010),a case which was deemed to be one of the most important decisions of the year and one which continues to aid plaintiffs seeking damages at trial for medical expenses.

Kathy Jo’s outstanding abilities have been recognized by her peers and legal observers. In 1999, she was named by Massachusetts Lawyers Weekly as one of the top five "up and coming" attorneys in Massachusetts, and in 2007, she became the third lawyer ever to be inducted into the Lawyers Weekly "Hall of Fame." In 2008, Kathy Jo was named as one of the Top 50 Women Lawyers in Massachusetts by Law & Politics Magazine (Best of Boston), and she has been named as a Super Lawyer by that same publication every year since. In 2010, Kathy Jo was admitted to the American Board of Trial Advocates, a distinguished organization which is open by application only to those with significant trial experience.

Kathy Jo has been rated as “AV Preeminent” by Martindale-Hubbell Law Directory. This is the highest rating possible and is given only to lawyers who have very high to preeminent legal ability and who embrace very high professional standards. She has also been rated by Avvo as “Superb.”

Kathy Jo has also been active in bar association work and other efforts to promote fairness, justice and equality in the trial bar as well as society at large. She served on the Board of Directors of the Women’s Bar Association of Massachusetts for a number of years and was its President in 2008-2009. She is a member of the Labor & Employment Section Counsel of the Massachusetts Bar Association, where she has also served as Chair of the Judicial Administration Section Council, Co-Chair of the Plain English Jury Instruction Project, and as a member of the Standing Court Management Advisory Committee and the Strategic Planning Committee. Kathy Jo is a member of the Board of Governors of the Massachusetts Academy of Trial Attorneys and she has also served on its Executive Management Board. She has served as Co-Chair of the Legislative Policy Committee and the Executive Management Board of the Massachusetts Employment Lawyers Association. Kathy Jo has also served on the Civil Right to Counsel Task Force, the Civil Rights and Civil Liberties Section Council and the Diversity and Inclusion Section Council of the Boston Bar Association. She is also a member of the American Association for Justice, formerly the Association of Trial Lawyers of America.

Kathy Jo frequently lectures on substantive legal issues, litigation techniques and gender equality at area law schools, professional conferences, and Massachusetts Continuing Legal Education. She has been featured in a number of publications, including the National Law Journal and Massachusetts Lawyers Weekly. She has received numerous first place awards in national writing and trial competitions, including the Association of Trial Lawyers of America National Trial Competition. Her writings have appeared in numerous publications, including the American Judges Association Journal and the Cleveland State Law Review.

About her work Kathy Jo says, "My focus has always been on justice. To me justice means working to promote equality, to protect important civil rights, and to help individual people, workers and consumers to obtain just compensation for injuries caused by the fault of others.”

Kathy Jo is an honors graduate of Suffolk University Law School and the University of Houston. She is licensed to practice before all state and federal courts in Massachusetts.


Practice areas


  1. Personal Injury: 35%
    21 years
  2. Discrimination: 15%
    1 year
  3. Litigation: 15%
    21 years
  4. DUI & DWI: 10%
    1 year
  5. Other: 25%
  6. More 



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Attorney endorsements

3 total 

Are you an attorney? Endorse this lawyer

  • Neil Burns

    I endorse this lawyer.


    Neil Burns Personal injury Attorney
    Relationship: Fellow lawyer in community

  • Donald Arthur Woodbine

    It is a pleasure to endorse Attorney Cook. She is clearly knowledgeble in this area of the law and provides her clients with the best possible representation.


    Donald Woodbine Car accident Attorney
    Relationship: Fellow lawyer in community

Contact info

KJC Law Firm, LLC

10 Tremont Street
6th Floor
Boston, MA, 02108

KJC Law Firm, LLC

1 Exchange Place
Worcester, MA, 01608



We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
AV RatedMartindale-Hubbell2016
Super LawyerSuper Lawyers2015
Super LawyerSuper Lawyers2014
Super LawyerSuper Lawyers2013
Super LawyerSuper Lawyers2012
Super LawyerSuper Lawyers Magazine (Best of Boston)2009
AV RatedMartindale-Hubbell2009
AV RatedMartindale-Hubbell2008
Top 50 Women Lawyers in MassachusettsSuper Lawyers Magazine (Best of Boston)2008
AV RatedMartindale-Hubbell2007
Lawyers Weekly Up & Coming Lawyers Hall of FameLawyers Weekly USA2007
AV ratedMartindale-Hubbell2006
Top Five "Up and Coming" Trial AttorneysMassachusetts Lawyers Weekly1999
Work experience
TitleCompany nameDuration
PartnerWagner Cook Freiberger & Washienko, LLC2008 - Present
Managing MemberKJC Law Firm, LLC2010 - 2010
N/AKeches & Mallen1995 - 2008
N/ALubin & Meyer1994 - 1995
Association namePosition nameDuration
Massachusetts Employment Lawyers AssociationExecutive Committee2010 - Present
Massachusetts Employment Lawyers AssociationChair, Legislative Committee2010 - Present
Massachusetts Academy of Trial AttorneysExecutive Management Board2010 - Present
Massachusetts Bar AssociationCo-Chair, Plain English Jury Instruction Project2009 - Present
Massachusetts Academy of Trial AttorneysCo-Chair, Membership Committee2009 - Present
Massachusetts Academy of Trial AttorneysBoard of Governors2008 - Present
Boston Bar AssociationDiversity & Inclusion Task Force2008 - Present
Boston Bar AssociationCivil Gideon Task Force2008 - Present
Boston Bar AssociationCivil Rights & Civil Liberties Section Council2008 - Present
Women's Bar Association of MassachusettsBoard of Directors2005 - Present
Massachusetts Bar AssociationStrategic Planning Committee2008 - 2008
Massachusetts Bar AssociationSanding Court Management Advisory Committee2008 - 2008
Women's Bar Association of MassachusettsPresident2008 - 2009
Women's Bar Association of MassachusettsPresident-Elect2007 - 2008
Women's Bar Association of MassachusettsExecutive Committee2007 - 2009
Massachusetts Bar AssociationChair, Judicial Administration Section Council2006 - 2008
Massachusetts Bar AssociationCo-Chair, Juror Communications Task Force2006 - 2006
Legal cases
Case nameOutcome
Anonymous4,000,000.00 judgment
AnonymousJudgment of 2,900,000.00 affirmed
See all legal cases 
Publication nameTitleDate
Def. Counsel J.Reviving the Dying Spirit of Rule 704: Put the Legal Conclusion Doctrine to Rest1995
Clev. St. L. Rev.An Opinion: Federal Judges Misconstrue Rule 704 (Or Is That An Impermissible "Legal Conclusion")1995
School nameMajorDegreeGraduated
Suffolk University Law SchoolLawJD - Juris Doctor1995
University of HoustonPhilosophy and HumanitiesBA - Bachelor of Arts1992