Nancy L. Cohen

Nancy L. Cohen

Attorney Profile

Top Rated Professional Liability Attorney in Denver, CO

Lewis Brisbois Bisgaard & Smith, LLP
 | 1700 Lincoln Street, Suite 4000
Denver, CO 80203
Phone: 303-861-7760
Fax: 303-861-7767
Selected To Super Lawyers: 2013 - 2020
Licensed Since: 1982
Practice Areas:
  • Professional Liability: Defense (80%),
  • Business Litigation (20%)
    Attorney Profile

    Nancy L. Cohen, a partner in the Denver office of Lewis Brisbois Bisgaard & Smith LLP, represents law firms and lawyers on malpractice, grievances and other claims, and other professionals, including health care professionals, on professional liability defense.  Ms. Cohen also represents clients on business and real estate litigation. She handles appellate and trial matters in state and federal courts.  Ms. Cohen recognizes that providing risk management advice to clients can assist in avoiding potential litigation. For her commitment to legal ethics and professional accomplishments, she has earned the highest peer rating possible of AV Preeminent* from Martindale-Hubbell.

    Ms. Cohen is admitted to practice before the U.S. Supreme Court, the U.S. Court of Appeals for the 10th Circuit, the U.S. District Court for the Eastern District of Michigan, and the U.S. District Court for the District of Colorado and the state of Colorado. She is a fellow of the American Bar Association Foundation and the Colorado Bar Foundation and is the first person to receive the University of Denver Sturm College of Law’s Alumni Professionalism Award.

    Ms. Cohen graduated from the University of Denver in 1978, then obtained her law degree in 1981 from the University of Denver Sturm College of Law, where she was a member of the Denver Law Journal. In 2003, she was appointed to the Rules of Professional Conduct Standing Committee of the Colorado Supreme Court and is on the board of directors and a former chairwoman of the Family Star Montessori in her community.

    Ms. Cohen is a member of the Defense Research Institute, the American Law Institute, and the Professional Liability and Ethics committees of the Colorado Bar Association. She is also a special adviser to the American Bar Association Center for Professional Responsibility Standing Committee on Discipline. Ms. Cohen served as president of the Denver Bar Association and also deals with white collar criminal defense, government investigations, commercial litigation and health care regulatory compliance.

    * AV®, AV Preeminent®, Martindale-Hubbell Distinguished and Martindale-Hubbell Notable are certification marks used under license in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell® is the facilitator of a peer review rating process. Ratings reflect the anonymous opinions of members of the bar and the judiciary. Martindale-Hubbell® Peer Review Ratings™ fall into two categories – legal ability and general ethical standards.

    About Nancy Cohen

    Admitted: 1982, Colorado

    Professional Webpage:


    • Top 100 Colorado Super Lawyer, 2015-2018
    • First recipient of the Alumni Professionalism Award from the University of Denver Sturm College of Law, 1993
    • Recognized as one of the Top 50 Colorado Women Super Lawyers, 2014-2018
    • Preeminent AV-rated® by Martindale-Hubbell 
    • Recognized as a Colorado Super Lawyer, Professional Liability: Defense, 2013 – Present

    Bar/Professional Activity:

    • Colorado Bar Association, Member, Professional Liability Committee, 2011-Present
    • United States Court of Appeals, 10th Circuit
    • American Bar Association, Standing Committee on Discipline, 2012-2018
    • American Bar Association Center, Professional Responsibility Standing Committee on Discipline, Member and now Special Advisor
    • Denver Bar Association, Vice President, 2013-2014
    • American Bar Association Foundation, Fellow, 2008-Present
    • Colorado Bar Association, Board of Governors, 2013-2015
    • U.S. District Court for the Eastern District of Michigan, 1989
    • Denver Bar Association, Chairperson, Mentoring Program, 2008-2010
    • American Bar Association, Standing Committee on Client Protection, 2009-2012
    • American Law Institute, Member, 2014 – Present
    • Denver Bar Association, President, 2016-2017
    • Defense Research Institute
    • United States District Court for the District of Colorado, Committee on Conduct, 1996-2001
    • U.S. District Court for the District of Colorado, 1982
    • Denver Bar Association, Trustee, 2008-2011
    • Colorado Bar Association, Chairperson, Ethics Committee, 1990-1991
    • United States Supreme Court, 2002
    • Colorado Supreme Court, Standing Committee on Professional Rules of Conduct, 2003-Present
    • Denver Bar Association, President-Elect, 2015-2016
    • National Organization of Bar Counsel, President, 2006-2007
    • Colorado Supreme Court, 1982
    • Colorado Bar Association, Board of Governors, 1996-1998

    Pro bono/Community Service:

    • Family Star Montessori, Board Member, 2007-2016.  Board chair fom 2009-2016.
    • University of Colorado School of Medicine, Community Board of Directors, Lung Research Endowment, 1992-1996
    • Colorado Bar Foundation, Fellow, 1991-2001
    • Mock Trial Teams at Kent Denver School, Coach, 2002-2005

    Scholarly Lectures/Writings:

    • “Preventing Legal Malpractice and Ethics of Compliance for Real Estate Attorneys.” Willis Carpenter Real Estate Symposium. Snowmass, Colorado, July 11, 2013
    • Risk prevention for lawyers., Author, Real Estate Malpractice, Colorado Real Estate Practice, Chap. 1, Deanne Manager Editor, Ed. 2017, Supplement 2018, 2019, Legal, 2019
    • Discussion of duties by lawyers and law firms when a lawyer is departing., Co-author, Professional and Ethical Responsibilities When Departing A Law Practice, Lawyers' Professional Liability In Colorado, 2018 Ed., Chap. 21, Michael T. Mihm, Managing Editor, Lawyers, 2018
    • Providing Risk Management to lawyers., Presenter with Nicole Black, The Top Ten Pitfalls Lawyers Fall Into, CBA/CLE, Lawyers, 2018
    •   , Presenter, "Real World Ethical Dilemmas and Malpractice Claims Transactional Lawyers Face", CBA Business Law Institute,, Lawyers, 2015
    • Risk preventation., Presenter, "How to Stay Out of Trouble: Practical Tips for Avoiding Legal Malpractice Claims and Grievances”, Colorado Women’s Bar Association 38th Annual Convention, 2015
    • Discussion of UPL., Presenter, “Oil and Gas Law Advanced Topics – Ethics: Confidentiality and Conflicts of Interest, Landman Unauthorized Law Practice, and Multijurisdictional Practice Issues., , Legal, Oil & Gas, 2015
    • “Preventing Legal Malpractice Seminar, Presenter, A Perspective on Practice Pitfalls., CBA/CLE,, Legal, 2015
    • “ETHICS: When You Don’t Think – How You Can Get Into Trouble, Fees and Other Conflicts of Interest Issues That Arise In Estate Administration.” Advanced Estate Administration CBA Trust and Estate Section, January 23, 2015
    • Discussion of third party lawsuits against lawyers., Presenter, “The Opposing Party Just Sued Me – Now What? Legal Malpractice Claims Brought By Third Parties.” , CBA/CLE, 2014
    • “Legal Ethics for Corporate and Transactional Attorneys, Third Party Complaints and Fee Issues” CBA/CLE, Business Law Institute. Denver, Colorado, October 17, 2013
    • “Musings from the Other Side: Fee Agreements, Trust Accounts and Some Practical Advice.” Hanging Your Shingle Seminar, CBA/CLE. Denver, Colorado, August 15, 2013
    • Discussion of issues women lawyers face., Author, Women Lawyers, Discipline and Leaving the Practice of Law, Denver Bar Association The Docket, Legal, 2016
    • Professional Liability Insurance - What to Consider When Purchasing Insurance, 41 No. 7 Colorado Lawyer, pp. 107-109 (July 2012)
    • New Rule on Retaining Client Files - How to Avoid Potential Pitfalls, 41 No. 6 Colorado Lawyer, pp. 69-71 (June 2012)
    • Lecturer, Preventing Malpractice, Nontraditional Claims, 2013


    • Won a motion to dismiss a lawsuit accusing a Colorado law firm of malicious prosection.  The underlying lawsuit filed by the law firm on behalf of a bank involved a fraudlulent conveyance case. , 2018
    • Won motion to dismiss in a legal malpractice case involving real estate on three of four claims for failure to file the required certificate of review.  This lead to a succesful settlement of the case., 2019
    • Won Motion for Summary Judgment on behalf of several law firms and lawyers because plaintiff failed to retain any expert.  Obtained an order for attorney fees.  Case on appeal to the Colorado Court of Appeals., 2018
    • In re Estate of Rabin, 2018 COA 183, cert. pending ( Discussion of whether PR holds the attorney-client privilege to files not relevant to the probate of the estate.  The court held the PR steps into the shoes of the decendent and holds the privilege.), 2018
    • Patterson v. James, 2018 COA 173 cert. pending (Attorney James succesfully prevailed on Motion to Dismiss and was awarded attorneys fees against Plaintiff and her attorney, jointly and severally.  The court also discussed the litigation shield.  Award upheld on appeal.)
    • Obtained voluntary dismissal by plaintiff in medical malpractice case after four days of a seven day jury trial. Obtained dismissal of malicious prosecution case against law firm on motion to dismiss. Obtained dismissal of tort claims against lawyer on motion to dimiss and awarded fees against plaintiff and her lawyer.  On appeal. Obtained voluntary dismissal of claims against law firm and lawyers after court granted motion for disqualification of plaintiff's counsel.
    • Baker v. Wood Ris & Hames, 2016 Stet CO 05 (January 19, 2016)(authored the Amicus Brief on behalf of the Colorado Bar Association)
    • Templeton v. Caitlin Specialty Ins., 612 Fed. Appx. 940 (10th Cir. 2015)
    • In re Gilbert, 346 P.3d 1018 (Colo. 2015)

    Educational Background:

    • University of Denver, B.A., Political Science and Philosophy, Honors: Departmental Honors in Philosophy,  Who’s Who in American Colleges and Universities, Distinguished Senior Woman Award, 1978
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    Office Location for Nancy L. Cohen

    1700 Lincoln Street
    Suite 4000
    Denver, CO 80203

    Nancy L. Cohen:

    Last Updated: 10/20/2019

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