PRO
also known as John Tatlock
Special Counsel for The Harris Law Firm, John H. Tatlock handles complex litigation and appeals for Colorado family law cases. John is a highly skilled trial attorney with more than 20 years of experience representing clients in federal and state courts and before arbitration tribunals on complex litigation matters ranging from mass torts, product liability claims, securities enforcement actions, fraud, breach of contract, and other significant commercial disputes. John was also twice selected as a Colorado Super Lawyer. In addition, he has represented private equity funds in fund formation, mergers and acquisitions of portfolio companies, and corporate governance issues.
After graduating from Wichita State University with a B.A. degree, magna cum laude, with University Honors in Political Science, John held a four-year Teaching-Research Fellowship in Political Science at the University of Iowa, where he earned his Master’s Degree. Following active duty in the Air Force, John was Director of Testing and an Instructor in Political Science at Wichita State, where he administered all of the University’s testing programs and taught Statistics to Political Science graduate students.
John then became Visiting Assistant Professor of Political Science and Adjunct Professor at the University of Houston, before being hired by a large multinational oil company in Houston, where he held positions of increasing responsibility in the Public and Governmental Affairs departments. In those assignments John advised senior company management on legislative and public policy matters of concern to the company and represented the company on legislative matters and in key trade associations.
John and his family moved to Denver in 1985 where he attended the University of Denver College of Law, receiving his J.D. degree in 1988 and joining the Denver office of Kirkland & Ellis that same year as a litigation associate. After Kirkland closed its Denver office in 1996, John joined some of his Kirkland colleagues at a litigation boutique, later moving to the private equity group at Arnold & Porter, then returning to litigation at McKenna Long & Aldridge’s Denver office.
John is a member of the Colorado and Denver Bar Associations, and has made presentations at CLE programs on depositions, civil litigation, trial tactics, and is the author of articles relating to civil litigation topics. John has been admitted to practice before the United States Supreme Court, the United States Courts of Appeal for the Ninth and Tenth Circuits, U.S. Tax Court, and the U.S. District Courts for Colorado and Arizona. He is active in the Colorado Lawyers Committee and is a co-chair of itsTask Force on Denver Public Schools. In 2010, John joined theCBA Professionalism Coordinating Council, which promotes and assists in the development of professional standards among jurists and attorneys is also a Master Member of the Doyle Inn of the Court and a current member of the Board of Trustees of the YMCA of Metropolitan Denver. In May of 2011, the Colorado Lawyers Committee honored John by naming him the organization's "Individual of the Year"for his longstanding leadership in, and commitment to, the Denver Public Schools task force which closely monitors school closures, enrollment, and school restructurings within Colorado's second largest school district.
In 2011, John presented a CLE regarding businessvaluationdivorce cases at Patterson, Nuss,and Seymour, and was selected for membership in the Doyle Inn of Court as a “Master,” an attorney with more than 13 years experience in active practice.
John and his wife Laurie live in Denver and have two daughters, both of whom are graduates of Willamette University in Salem, Oregon. Erin lives and works in Denver, and Beth, who currently lives in Park City, Utah, works for the U.S Ski and Snowboard Association. John follows Major League baseball as a Rockies season-ticket holder, skis, runs, and lifts, while trying to stay current on politics, elections, and world events.
14
Practice Areas
Always
State: Colorado
Acquired: 1988
No misconduct found
1125 17th Street., Suite. 450, Denver, CO, 80202
harrisfamilylaw.comOther places you can find John online.
Showing 1 - 4 of 4 client reviews from Avvo
Posted by Wayne | March 23, 2016 | Hired Attorney
John, represented me on my divorce case, where it was very litigious and complicated by the other party. He defended my with honor and saved me from some major expenses, we had to go to trial several times because of the other parties unwillingness to cooperate with the court orders, and on most of ...
Posted by Catherine | January 27, 2012
My Colorado family law matter was expertly handled by John Tatlock, Special Counsel to The Harris Law Firm and a Colorado Super Lawyer for 2012. He and his team could not have been more professional and attentive, and I could not have asked for a better attorney. Thank you John Tatlock!
Posted by Nate | August 21, 2023 | Hired Attorney
Given my experience, John Tatlock, is an awful attorney. He was lazy and disengaged, combative with me when I advocated for myself, and brought no financial expertise, which is why I hired him in the first place. In hindsight and after review from a new firm it is clear that John as a shareholder i...
Posted by Patrick | March 13, 2016 | Hired Attorney
I was very disappointed with the way that the Harris Law Firm handled my case. The firm was expensive, difficult to keep on task, and the attorneys rarely dedicated the needed time to handle important things that came up. In the weeks leading up to the final hearing, the firm personnel were increasin...
"John Tatlock is an extremely knowledgeable attorney who handles all of the tricky financial issues that arise in divorce law with immense skill and unprecedented professionalism. I endorse this lawyer."
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2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2020
Super Lawyer, Super Lawyers
2019
Super Lawyer, Super Lawyers
2018
Super Lawyer, Super Lawyers
2017
Super Lawyer, Super Lawyers
2016
Super Lawyer, Super Lawyers
2016
Best Lawyer, Best Lawyers in America
2015
Super Lawyer, Super Lawyers
2015
Best Lawyer, Best Lawyers in America
2014
Super Lawyer, Super Lawyers
2013
Super Lawyer, Super Lawyers
2012
Super Lawyer, Super Lawyers
2011
Individual of the Year Award, Colorado Lawyers Committee
2008
Super Lawyer, Super Lawyers
2007
Super Lawyer, Super Lawyers
2008 - Present
Special Counsel, The Harris Law Firm
1900 - Present
, Epstein Patierno, LLP
2016 - Present
Colorado Lawyers Committee Education Task ForceCo-Chair
2014 - Present
Chief Justice’s Commission on the Legal ProfessionMember
2012 - Present
CBA/DBA Professionalism Coordinating CouncilCo-Chair
Member
Member
1988
JD - Juris Doctor
1972
MA
1969
BA
2015
Emerging Trends in Economic Damages, Business Valuations, and Lost Profits
2011
2009
English