Bar Admissions
2005, Minnesota
University of Iowa College of Law, 2005, with high distinction, Order of the Coif University of Iowa, 2005, M.S. University of Iowa, 2001, B.A
Court Admissions
Minnesota U.S. District Court for the District of Minnesota U.S. District Court for the Western District of Wisconsin U.S. District Court for the Eastern District of Wisconsin U.S. District Court for the Central District of Illinois U.S. Court of Appeals for the Second Circuit U.S. Court of Appeals for the Eighth Circuit U.S. Court of Appeals for the Ninth Circuit U.S. Supreme Court
Support Staff


Kristen Marttila practices primarily in the areas of antitrust, environmental and land use, business law, and health care law. She frequently serves as local counsel in a wide variety of matters, including intellectual property, consumer, and complex ERISA cases. Before joining the firm, Ms. Marttila was a litigation associate at Faegre & Benson, LLP, where she concentrated on administrative litigation and regulatory and environmental law. She clerked for the Honorable Patrick J. Schiltz and the Honorable Eric C. Tostrud, both in the United States District Court for the District of Minnesota.

Ms. Marttila is a three-time graduate of the University of Iowa. In 2005, she graduated from the University of Iowa College of Law with high distinction and was a member of the Order of the Coif. She was also awarded the Boyd Service Medallion for her public interest work. In law school, she was a symposium editor for the Journal of Transnational Law and Contemporary Problems and competed in the Jessup International Moot Court. She also earned her M.S. in urban and regional planning, with an emphasis in land-use and environmental planning, and a B.A. in English.

Representative Cases

  • Taqueria El Primo LLC, et al. v. Farmers Group Inc., et al., 19-cv-3071 (JRT/ECW) (D. Minn.) – appointed class counsel in consumer fraud case
  • Ross et al. v. Hewlett Packard Enterprise Company, 18-cv-337830 (Santa Clara County Dist. Ct., Ca.) – appointed settlement class counsel, recovered $8.5 million for female employees in Equal Pay Act case
  • Wood Mountain Fish LLC v. Mowi ASA et al., 19-22128 (S.D. Fla.) – appointed co-lead counsel, recovered $33 million for indirect purchaser plaintiffs
  • Beck v. Austin, No. 19-cv-01453 (D. Minn.) – appointed settlement class counsel
  • T.F., et al. v. Hennepin County, et al., No. 17-CV-01826 (PAM/BRT) (D. Minn.)
  • Zimmerman v. Riverplace Counseling Center, Inc., No. 02-cv-19-6522 (Anoka Cty. Dist. Ct., Minn.) – appointed settlement class counsel
  • In re Generic Drug Pricing Antitrust Litigation, MDL No. 2724 (E.D. Pa.)
  • In re EpiPen ERISA Litigation, 17-cv- 01884 (PAM/SER) (D. Minn.) – appointed co-lead counsel
  • Soderstrom et al v. MSP Crossroads et al., 16-cv- 00233 (ADM/KMM) (D. Minn.) – appointed co-lead counsel in Fair Housing Act class action, recovered $650,000, the largest settlement in a disparate impact case against a private landlord nationwide)
  • Lakes and Parks Alliance v. Metropolitan Council, No. 0:14-CV-03391-JRT-SER (D. Minn.)
  • Precision Associates, Inc., et al. v. Panalpina World Transport (Holding) Ltd., et al.  (E.D.N.Y.) – recovered $363.1 million
  • In re Potash Antitrust Litigation (II) (N.D. Ill.) – recovered $90 million
  • In re Wholesale Grocery Products Antitrust Litigation, MDL No. 2090 (D. Minn.)
  • Illinois Farmers v. Mobile Diagnostic Imaging, Inc. et al., 13-CV-02820 (PJS/ TNL) (D. Minn.) – won complete dismissal of 14-count complaint
  • State Farm v. Mobile Diagnostic Imaging, Inc. et al., 12-CV-1056 (DSD/JJG) (D. Minn.) – secured full summary judgment in favor of client


  • Co-author, Our New Chief Judge, the Honorable Patrick J. Schiltz, Bar Talk, Sept. 2022
  • Co-author, Proof of the Existence of a Conspiracy, Proof of Conspiracy Under the Federal Antitrust Laws (Second) (American Bar Association) (2018)
  • The U.S. Supreme Court Takes on the Timeliness of Later-Filed Class Actions, Perspectives In Antitrust, Feb. 2018, at 7
  • Contributor, Antitrust Law Developments (Eighth) (American Bar Association) (2017)
  • Towards A More Transparent Class Settlement: The Proposed Amendments To Rule 23 And The Effect Of Sealed Court Filings On Class Settlements, Perspectives In Antitrust, Oct. 2016, at 8
  • Federal Practice Committee: New Federal and Local Rules on Civil Discovery, Bar Talk, May 26, 2016
  • ACPERA – Emerging Guidance and New Questions, The Antitrust Lawyer, Spring 2015
  • Contributor, Annual Review of Antitrust Law Developments (American Bar Association Section of Antitrust Law) for 2013, 2014, and 2015 editions
  • Cold Comfort Pharmacy: Pharmacist Tort Liability for Conscientious Refusals to Dispense Emergency Contraception, 16 TEX. J.WOMEN & L. 149 (2007)
  • Note: Environmental Justice and Indigenous Peoples in the United States: An International Human Rights Analysis, 15 TRANSNAT’L L. & CONTEMP. PROBS. 253 (2004)

Professional Associations

  • Federal Bar Association, Minnesota Chapter – various roles, including Director (2018 – present); Vice President, Monthly Luncheons (elected, 2023 – 2024); Mentorship Committee Co-Chair (2021 – 2023); National Council Delegate (2018 – 2020); Court Camp mentor (2019)
  • Federal Bar Association – Constitution, Bylaws, Rules and Resolutions Committee (2019 – 2022); Federal Judicial Law Clerk Committee (2020 –2023)
  • Sedona Conference Working Group 1 Steering Committee and Steering Committee Brainstorming Group on the Sufficiency of Rule 26(a)(1) Initial Disclosures (2023)
  • Committee to Support the Antitrust Laws (COSAL) – Amicus Committee Chair (2022 – 2023) and Vice Chair (2021 – 2022)
  • ABA Antitrust Division, Civil Practice and Procedure Committee, Young Lawyers Advisory Panel (2016 – 2018)
  • Federal Practice Committee of the U.S. District Court for the District of Minnesota, member (2015 – 2018)
  • Merit Selection Panel for the U.S. District Court for the District of Minnesota, member (2016)
  • Guest judge, numerous moot court programs at area law schools


  • Panelist, “Brainstorming Group Report: The Sufficiency of Rule 26(a)(1) Initial Disclosures,” at the Working Group 1 of the Sedona Conference Annual Meeting, Indianapolis, Indiana, October 2023 (invited)
  • Panelist, “Become an Antitrust Plaintiff’s Lawyer: Fight Corporate Abuse and Help Consumers and Small Businesses,” Harvard Law School, September 2023 (invited)
  • Panelist, “Antitrust Law Section Summer Series: Legal Writing Seminar,” virtual presentation with the American Bar Association, June 2022
  • Small Group Facilitator, “The Unwritten Rulebook: A Law Student’s Crash Course in Soft Skills and Social Etiquette in the Legal Workplace,” virtual panel with the Minnesota Chapter of the FBA, May 2022
  • Panelist, “Nuts and Bolts of Federal Clerkships” virtual panel with the Federal Bar Association, April 2021
  • Guest Speaker, “Judicial Writing: Preparing for a Judicial Clerkship,” semester-long Mitchell Hamline course, virtual presenter, March 2020
  • Panelist, “Why Antitrust?” at the University of Iowa, April 2019, presented by the American Bar Association Antitrust Division
  • Co-presented “Understanding Service of Process: Get it Right the First Time” with Minnesota CLE, May 9, 2014

Professional Recognition

  • Named a 2022 Attorney of the Year by Minnesota Lawyer for pro bono criminal appeal
  • Named a Minnesota Super Lawyer in 2022 and 2023
  • Named a Minnesota Rising Star from 2015-2020 by Super Lawyers
  • Named a North Star Lawyer from 2014-2017 and 2022 in recognition of pro bono work
  • Sierra Club North Star Achievement Award for service as Chapter Legal Chair (2007)

Kristen G. Marttila

Rated by Super Lawyers

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Community Involvement

Kristen has fought to protect federally designated wilderness lands and other sensitive areas of the environment for more than a decade. That work includes:

  • Wilderness Watch v. Hall, Case No. 23-cv-0284 (NEB.LIB) (D. Minn.)
  • Wilderness Watch v. Halter, Case No. 15-CV-03734 (WMW/LIB) (D. Minn.)
  • Izaak Walton League of America, Inc. et al. Tidwell et al., Case No. 06-CV-3357 (JRT/LIB) (D. Minn.)
  • State by Duluth Preservation Alliance v. St. Louis County et al., 69DU-CV-091252 (St. Louis Cty., Minn. 2009)
  • Croix Scenic Coalition v. City of St. Croix Falls et al., No. 05-CV-576 (Polk Cty., Wisc. 2005)

She also routinely represents low-income individuals in criminal expungement proceedings in the state court and state administrative systems. To date, she has handled approximately two dozen such matters.