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 - 2019
Licensed Since: 1982
Practice Areas:
  • Professional Liability: Defense (70%),
  • Business Litigation (20%),
  • Civil Litigation: Defense (10%)
Attorney Profile

Nancy L. Cohen, a partner at Lewis Brisbois Bisgaard & Smith LLP, represents clients from Colorado on issues of professional liability defense, business litigation and employment litigation defense. She handles appellate and trial matters in state and federal courts and focuses her practice on advising law firms and lawyers and defending malpractice cases for other lawyers. 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:


  • First recipient of the Alumni Professionalism Award from the University of Denver Sturm College of Law, 1993
  • Recognized as a Colorado Super Lawyer, Professional Liability: Defense, 2013 – Present
  • Recognized as one of the Top 50 Colorado Women Super Lawyers, 2014-2016
  • Top 100 Colorado Super Lawyer, 2015-Present
  • Preeminent AV-rated® by Martindale-Hubbell 

Bar/Professional Activity:

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

Pro bono/Community Service:

  • University of Colorado School of Medicine, Community Board of Directors, Lung Research Endowment, 1992-1996
  • Friends of Public Montessori, Inc., Secretary and Treasurer, 1996-2003
  • Mock Trial Teams at Kent Denver School, Coach, 2002-2005
  • Family Star Montessori, Chair of the Board, 2009-2015
  • Family Star Montessori, Board Member, 2007-Present
  • Colorado Bar Foundation, Fellow, 1991-2001

Scholarly Lectures/Writings:

  • Lecturer, Preventing Malpractice, Nontraditional Claims, 2013
  • New Rule on Retaining Client Files - How to Avoid Potential Pitfalls, 41 No. 6 Colorado Lawyer, pp. 69-71 (June 2012)
  • Professional Liability Insurance - What to Consider When Purchasing Insurance, 41 No. 7 Colorado Lawyer, pp. 107-109 (July 2012)
  • “Women Lawyers, Discipline and Leaving the Practice of Law,”The Docket, February 29, 2016
  • “Preventing Legal Malpractice and Ethics of Compliance for Real Estate Attorneys.” Willis Carpenter Real Estate Symposium. Snowmass, Colorado, July 11, 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
  • “Legal Ethics for Corporate and Transactional Attorneys, Third Party Complaints and Fee Issues” CBA/CLE, Business Law Institute. Denver, Colorado, October 17, 2013
  • “Preventing Malpractice and Ethics Compliance for Family Law Attorneys.” CBA/CLE, Family Law Fall Update. Denver, Colorado, October 25, 2013
  • “The Opposing Party Just Sued Me – Now What? Legal Malpractice Claims Brought By Third Parties.” CBA/CLE, June 2, 2014
  • “Why Should Lawyers Think About Conflicts of Interest at the Beginning or Representation and Determine Who the Lawyer Represents?” Willis Carpenter Real Estate Symposium, July 11, 2014
  • “The Ethical Pitfalls of Representing a Fiduciary, Acting as a Fiduciary or Representing Multiple Clients on an Estate or Trust Matter: How to Avoid Being Sued or Grieved.” 34th Annual Estate Planning Retreat, June 11 & 12, 2014
  • “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
  • “A Perspective on Practice Pitfalls.” Preventing Legal Malpractice Seminar 2015. CBA/CLE, February 6, 2015
  • “Oil and Gas Law Advanced Topics – Ethics: Confidentiality and Conflicts of Interest, Landman Unauthorized Law Practice, and Multijurisdictional Practice Issues.” CBA/CLE, March 12, 2015
  • "How to Stay Out of Trouble: Practical Tips for Avoiding Legal Malpractice Claims and Grievances” Colorado Women’s Bar Association 38th Annual Convention, May 16, 2015
  • "Real World Ethical Dilemmas and Malpractice Claims Transactional Lawyers Face" Business Law Institute, October 29, 2015
  • Intimidation Lawsuits Against Citizen Advocates: New Colorado Supreme Court Decision Strengthens Public's First Amendment Protections, 33 Trial Talk 3 (1984)
  • Should Lawyers Be Disciplined or Sanctioned for Bringing SLAPP Suits, ALI-ABA Course of Study, "SLAPPs: Strategic Lawsuits Against Public Participation in Government" (1994)
  • Ethical Duties During Litigation, The Colorado Lawyer, Vol. 32, No. 10, pp. 53-58 (Oct. 2003)
  • Conflict of Interest Issues Associated With the Simultaneous Representation of Two or More Plaintiffs, presented to Ethics and Professionalism Committee, ABA Employment Conference Winter Meeting (2003)
  • The Practitioner's Guide to Colorado Domestic Relations Law, Chapter 2, Ethics in Family Law, CBA/CLE, 2006, 2008, 2009


  • 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.
  • In re Gilbert, 346 P.3d 1018 (Colo. 2015)
  • 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)

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
Office Location for Nancy L. Cohen

1700 Lincoln Street
Suite 4000
Denver, CO 80203

Nancy L. Cohen:

Last Updated: 12/5/2018

Page Generated: 0.77960991859436 sec