Katelynn T. McCollough


Katelynn joined Davis Brown in 2017.  She was previously at Davis Brown as a summer associate in 2016.

Katelynn’s practice is in the litigation division. She has a general litigation practice where she assists on matters in the labor and employment, business, and commercial litigation departments. She also plans to practice in the communications & media law group.

Presentations & Publications

  • Medical Marijuana and the Workplace, Substance Abuse Conference, Iowa Illinois Safety Council, September 2019
  • “New balancing act: assessing risks of drug testing for marijuana in Iowa,” Iowa Employment Law Letter, August 2019
  • Cannabidiol - Current Law, Legal Implications for Physicians, Upper Midwest Osteopathic Health Conference, Iowa Osteopathic Medical Association, May 2019
  • “Between a rock and a high place: Meet Iowa’s new medical marijuana statute,” Iowa Employment Law Letter, October 2018
  • “Stormy days and muddy waters: wading into defamation claims,” with Jo Ellen Whitney, Iowa Employment Law Letter, June 2018

Of Note

During law school, Katelynn worked at the University of Iowa Legal Clinic in the immigration and estate planning clinics.  She assisted parents seeking guardianship and conservatorship of their disabled children who were turning 18. She also helped draft wills, and other estate planning documents (including power of attorney) for individuals and families. In the immigration clinic, for a think tank client in Washington D.C., Katelynn analyzed existing immigration law and helped draft changes to existing policy to propose to legislators. 

Katelynn studied abroad at Middlesex University in London, England, during her undergraduate studies and she also studied international and comparative law in Arcachon, France, during law school. 


Katelynn studied journalism and political science at Iowa State University where she earned a Bachelor of Science degree, graduating cum laude in 2014. Katelynn was Editor-in-Chief of the Iowa State Daily.

Katelynn earned her J.D. at the University of Iowa College of Law in 2017. At Iowa, she was co-president of the Iowa Student Bar Association. Katelynn was also a research assistant to Professor Adrien Wing, assisting with research on international law, and human and civil rights. Katelynn additionally assisted Brian Farrell, Director of the Citizen Lawyer Program, editing his text, Habeas Corpus in International Law.

As Senior Associate Editor of the Journal of Corporation Law, Katelynn planned the annual JCL symposium for her fellow law students and members of the surrounding legal community. The 2017 symposium she planned featured sessions on the topic of dark pools, obscure, legal, private trading exchanges.


Katelynn lives in Des Moines. She is a big Iowa State Cyclones fan and loves attending basketball games.