Forrest Tahdooahnippah

Forrest Tahdooahnippah

Of Counsel



A partner in Dorsey’s Intellectual Property Litigation Group, Forrest has experience with patent, trade secrets, and other intellectual property litigation. His experience spans a variety of technologies, including: software, cloud computing, medical devices, mining processes, and consumer goods, among other things. His experience includes briefing and arguing motions, managing large scale documents productions, taking and defending depositions (including expert depositions). In addition to intellectual property matters, Forrest is experienced and knowledgeable on class action disputes and Employee Retirement Income Security Act (ERISA) litigation.

Forrest also enjoys a robust practice in the area of federal Indian law. Forrest provides litigation and transactional advice to both Indian tribes and companies doing business in Indian Country. He is an enrolled member of the Comanche Nation of Oklahoma.

Education & Admissions

University of Minnesota Law School (J.D., 2010), magna cum laude, Order of the Coif

Stanford University (B.A., Public Policy, 2007), with honors


  • Minnesota
  • Oklahoma


  • Spanish


  • U.S. District Court for the District of Minnesota, Honorable Ann D. Montgomery, 2010-2012


Representative Litigation

Intellectual Property Litigation Experience

  • Obtained summary judgment of patent invalidity for dental products company, ProEdge, accused of patent infringement
  • Represents plaintiff asserting trade secret misappropriation claims related to mineral processing technology
  • Represented plaintiff asserting Walker Process claims related to oil refining technology
  • Assisted Defendant in claims asserted by non-practicing entity related to cloud computing
  • Assisted in drafting oppositions to a Daubert motion and motion for summary judgment on behalf of OptumInsight in a software patent case
  • Assisted Vascular Solutions, Inc. with several matters related to patents for medical devices or methods for using medical devices
  • In addition to patent litigation, extensive experience with Lanham Act and trade secrets claims

ERISA/Class Action Experience

  • Obtained dismissal of ERISA breach of fiduciary duty claim in Patricia J. Humphrey v. United of Omaha Life Ins. Co., et al., Civil No. 0:12-cv-02984, 2013 WL 1340778 (D. Minn. Apr. 3, 2013)
  • Represented national bank in several consumer class actions related to mortgage servicing and lender-placed insurance
  • Provided legal research and writing for third-party claims administrator winning dismissal of claims brought on behalf of several putative classes under ERISA and state insurance laws
  • Represented employer defending ERISA claims related to residential treatment benefits and assisted with drafting early settlement
  • Represented employer defending ERISA claims for retiree medical benefits and assisted with drafting settlement
  • Represented employer in resolving ERISA pension claims prior to litigation

Representative Federal Indian Law Experience

  • Represented Native American Church of North American in asserting religious freedom claims against Transportation Security Administration, and obtained favorable settlement
  • Assisted federally-recognized Indian tribe litigating claims against United States officials under the Indian Self-Determination and Education Assistance Act
  • Provided due diligence services to buyer in $800 million acquisition of an oil and gas company partially owned by a federally-recognized Indian tribe doing business on an Indian reservation
  • Advised federally-recognized Indian tribe on applicability of state tobacco taxes to “native-brand” cigarettes
  • Advised federally-recognized Indian tribe on gaming eligibility of reacquired fee land within its reservation
  • Drafted legal opinion regarding regulatory authority of Indian tribe seeking Treatment as a State status under the Clean Water Act

News & Resources


Federal Circuit Holds Tribal Immunity Does Not Apply To Inter Partes Review
Dorsey "Pro Bono" Clients Effect Change in TSA Screening of Native American Religious Items
"TC Heartland:" The End of an Era in Patent Litigation
Lewis V. Clarke And The Future Of Tribal Immunity
Dawning of New Era in Trade Secrets Litigation
Monumental Change Announced for Alaska Native Tribes—BIA will Allow Alaskan Land to be Taken into Trust
Department of Justice Memorandum Regarding Legalization of Marijuana in Indian Country Raises More Questions Than Answers
U.S. Supreme Court Reaffirms the Doctrine of Tribal Sovereign Immunity in Bay Mills Decision
Contributing Author, ABA Section of Labor and Employment Law, Employee Benefits Committee, Employee Benefits Law, 3d Ed. (Dana M. Muir Ed. in Chief, American Bar Association) Fall 2013 Cumulative Supplement
Minnesota CLE, Minnesota Business Torts Deskbook 2013 Update, Chapter 4: Trade Secrets

News & Press Mentions

Tamkin, Wechter, and Tahdooahnippah Ironburg Inventions counsel for Patent Trial
Kappelman, Durocher, and Tahdooahnippah Counsel in Oklahoma Tribal Gambling Case
Super Lawyers Recognizes 26 Dorsey Lawyers in Minneapolis
Mitchell Hamline welcomes Forrest Tahdooahnippah as an assistant professor of law
Super Lawyers Recognizes 29 Dorsey Lawyers in Minneapolis
Dorsey Partner Forrest Tahdooahnippah Comments on Native American Cases to Watch 2nd Half 2020
Dorsey Partner Forrest Tahdooahnippah Comments on Biggest Native American Rulings 1st Half of 2020
Super Lawyers Recognizes 38 Dorsey Lawyers in Minneapolis
Dorsey Partner Forrest Tahdooahnippah Comments on McGirt SCOTUS Ruling
Partner Forrest Tahdooahnippah Discusses McGirt Jurisdiction Case
Super Lawyers Recognizes 41 Dorsey Lawyers in Minneapolis
Dorsey Partner Forrest Tahdooahnippah Comments on SCOTUS Herrera Ruling
Super Lawyers Recognizes 36 Dorsey Lawyers in Minneapolis
Dorsey Partner Forrest Tahdooahnippah Comments on PTAB Tribal Immunity Decision
Dorsey Partner Forrest Tahdooahnippah Comments on NACNA's Lawsuit Settlement with TSA
TSA Commits to Improve Handling of Native American Sacred Objects
Five Disputes Lawyers Join Dorsey Partnership
Dorsey & Whitney Names New Partners
What The Experts Said About High Court Rulings This Term
Dorsey Attorney Forrest Tahdooahnippah Comments on Indemnity Ruling

Industries & Practices

  • Banking & Financial Institutions
  • Benefits & Compensation
  • Class Action Litigation
  • Energy & Natural Resources
  • ERISA Litigation
  • Food, Beverage & Agribusiness
  • Healthcare & Life Sciences
  • Indian & Alaska Native
  • Insurance Law
  • Intellectual Property
  • Intellectual Property Litigation
  • Tax Controversy & Litigation

Professional & Civic


    Contributed 50+ Pro Bono Hours in 2021 Contributed 100+ Pro Bono Hours in 2020

  • Contributed more than 50 Challenge pro bono hours, 2021
  • Contributed more than 100 Challenge pro bono hours, 2020

     Diversity & Inclusion 50+ Hours 2020

  • Contributed more than 50+ Diversity hours, 2020
  • Listed as a "Rising Star" by Minnesota Super Lawyers, 2018-2021

     North Star Lawyer logo

  • MSBA North Star Lawyer, 2013-2015 and 2017-2020
Forrest Tahdooahnippah