Patrick M. Arenz



In an era of litigators, Patrick Arenz is a trial lawyer. According to IAM, Patrick is an “excellent, thorough, and focused cross-examiner.” He handles high-stakes disputes for a diverse set of clients, ranging from Fortune 100 companies to small inventor-led companies and individuals. His practice focuses on patent and copyright infringement matters, trade secret misappropriation, breach of contract disputes, and business and individual tort cases. He is equally adept at representing defendants, and has handled competitor-versus-competitor patent cases on both sides of the “v.” His cases have garnered media attention from outlets including The New York Times, Star Tribune, and even “The Tonight Show with Jimmy Fallon.” Based on his accomplishments, Patrick was selected for the Minneapolis/St Paul Business Journal’s 40 Under 40 list and the inaugural Bloomberg Law 40 Under 40 list, named a Minnesota Attorney of the Year in 2018 and 2021, included on the IAM Patent 1000: The World’s Leading Patent Professionals list, made Minnesota Lawyer’s Power 30 list, called a Trailblazer by the American Lawyer, and named a Legal Media Group Americas Rising Star 2019 Winner for Best in Litigation: Trial Lawyer. 

Patrick has honed his trial skills in courtrooms across the country, and spent his early career working alongside renowned trial lawyers, like Ronald J. Schutz. He has since tried a wide range of cases, including patent infringement, breach of contract, personal injury, and felony-criminal defense cases. In 2021, he served as lead trial counsel in a personal injury case wherein his team secured a $27.8 million jury verdict on behalf of Dr. Richard Tholen, a top Twin Cities plastic surgeon, who endured an amputated leg after Assist America refused to evacuate him for proper medical care. This verdict has been reported as one of the largest personal injury verdicts in Minnesota history. In 2020, he secured a complete victory in an arbitration for celebrity chef, Chloe Coscarelli, and her business entity that restored her 50% ownership in the “by Chloe” restaurant company she founded and was previously valued in excess of $60 million; enjoined the company from selling retail products; and awarded Chloe a $2.2 million in attorneys’ fees and costs. He also obtained a final judgment in excess of $2 million in favor of his client following a jury verdict against a former employee accused of misappropriating confidential information. In 2016, he tried a breach of license dispute over unpaid royalties, and obtained a $5.7 million verdict that settled on appeal for $13.5 million. Many of Patrick’s cases have resolved successfully before trial, driven by his preparation and readiness for trial. 

Patrick is also adept at handling high-stakes appeals. He has argued at the Eighth Circuit, Ninth Circuit, Federal Circuit, and Minnesota Supreme Court and Court of Appeals. In 2020, for example, Patrick obtained a reversal and remand from the Eighth Circuit in Tholen v. Assist America, allowing a defamation claim to proceed. In 2021, Patrick achieved a reversal and remand from the Minnesota Court of Appeals in Smits v. Park Nicollet, which the Minnesota Supreme Court affirmed in part (also argued by Patrick) finding a triable issue in a wrongful death action over Park Nicollet’s duty to provide reasonable medical care to its mental health patient who had committed suicide.

Patrick is passionate about ensuring access to justice for all, not just those who can afford it. From 2015 through 2018, he chaired Robins Kaplan’s Pro Bono Committee. Under his leadership, The American Lawyer ranked the firm as having the fourth-best pro bono program in the country. Law360 and The National Law Journal, among other national publications, also recognized the firm’s program during his tenure. As chair, Patrick led by example. In 2017, he obtained what is reported to be the first-ever verdict in a civil sex tourism case; the jury awarded $950,000 to his client after finding that she had been sexually assaulted in Laos at the age of 14 by a 43-year-old U.S. citizen. He also serves as a Special Assistant Attorney General for the State of Illinois in the state’s suit against the City of Chicago for police misconduct and civil rights violations. The ABA recognized Patrick’s dedication to pro bono work by awarding him its prestigious Pro Bono Publico Award in 2018, and Public Justice named him one of four finalists for Trial Lawyer of the Year.


Lead trial counsel for Dr. Richard Tholen, a top Twin Cities plastic surgeon who endured an amputated leg after Assist America refused to evacuate him for proper medical care, in Tholen v. Assist America (D. Minn.), wherein a federal jury awarded Dr. Tholen a $27.8 million verdict, including $10 million in punitive damages. 

Lead appellate counsel for Dr. Richard Tholen in a related case regarding his claim for defamation after Assist America published defamatory content about his injury and circumstances, which the Eighth Circuit reversed and remanded to the district court.

Trial Counsel for celebrity chef Chloe Coscarelli v. ESquared Hospitality and BCHG, an AAA arbitration in which the Honorable Faith S. Hochberg (ret.) restored Chloe’s business entity as a 50% owner in the “by Chloe” fast-casual vegan restaurant company she founded; enjoined the company from selling retail products using Chloe’s name; and awarded over $2.2 million in attorneys’ fees and costs.

Trial Counsel for celebrity chef Chloe Coscarelli in In re BCHG, a bankruptcy case in which the Bankruptcy Court for the District of Delaware rejected the investors of the “by Chloe” company, like Bain Capital and Kitchen Fund, attempt to purchase the “by Chloe” trademark—the company’s “crown jewel asset”—in a Chapter 11 proceeding without Chloe’s consent.

Trial Counsel in Covidien v. Esch (D. Mass.) in which a federal jury held the defendant, a former Covidien employee, liable for breaching his contracts with Covidien by disclosing and using confidential information to start his own company. Final judgment exceeded $2 million.

Trial Counsel in Megdal Associates LLC v. La-Z-Boy, Inc, (S.D. Fla. 2016), a case in which a federal jury in Fort Lauderdale awarded our client, Megdal Associates, $5.7 million for breach of a technology license agreement. The award was increased to $6 million with the award of prejudgment interest. While the case was pending on appeal, it settled with La-Z-Boy, paying Megdal Associates $13.5 million.

Trial Counsel in Alfred v. Walt Disney Pictures (C.D. Cal.), a copyright infringement case on behalf of two Hollywood screenwriters against Disney over the Pirates of the Caribbean film franchise. Case settled confidentially before trial.

Trial Counsel in Mehlhaff v. Miller (Washington state court), a wrongful death case against a psychologist over a patient’s suicide. Case settled confidentially before trial.  

Trial Counsel in Vang v. Prataya (D. Minn. 2017), in which a federal jury found that the defendant had sexually assaulted our client when she was 14 years old in Laos, and awarded $950,000 in damages. This verdict is reported to be the first of its kind in a civil “sex tourism” case—in which an American citizen travels overseas for illicit sexual conduct—brought under the PROTECT Act.

Trial Counsel in Twin Cities Angels v. Once (AAA Arbitration 2020), following a remote Zoom Final Hearing, the arbitrator granted a six-figure award to an investor in a dispute over calculating an internal rate of return on an investment.

Trial Counsel in Assurance Drug Testing Labs v. O’Boyle (Wisconsin state court), a breach-of-contract/non-compete enforcement action following a multi-million dollar purchase agreement. Case settled confidentially before trial.  

Trial Counsel for heir to celebrity estate against a financial advisor for breach of fiduciary duty and other business torts. Dispute resolved through a confidential pre-suit agreement. 

Appellate Counsel in Smits v. Park Nicollet, in which the Minnesota Court of Appeals reversed and remanded a wrongful death claim to the district court, and which the Minnesota Supreme Court affirmed in part.

Trial Counsel in Personal Audio LLC v. Apple Inc. (E.D. Tex.), a patent infringement case in which a federal jury awarded our client, Personal Audio LLC, $8 million in damages for infringing a patent for an audio player that can download or receive navigable playlists. The jury found that Apple's iPods infringed the patent. The district court then denied Apple's equitable defenses of laches and inequitable conduct following a bench trial, which Mr. Arenz tried as second-chair counsel. The verdict was announced on July 8, 2011, and the district court issued a final judgment in excess of $12 million on August 30, 2011.

Trial Counsel in J.H. v. A.I. (D. Minn.), an international Hague convention case venued in federal court. After a multi-day bench trial, the Court denied the father’s request to make a 5-year-old girl living in the United States with her mother leave the country and live with him in Juarez, Mexico. 

Trial Counsel in State v. Martin, a pro bono criminal defense matter in Minnesota state court (Ramsey County). The jury issued a split verdict on two felonies. 

Trial Counsel in U.S. v. Indres, a pro bono trial in immigration court. After a contested trial with the federal government, the immigration court denied the government’s request for removal and granted Ms. Indres asylum based on a finding of the political persecution she experienced in Ethiopia. 

Trial Counsel for defendant Draeger Safety Inc. in a patent infringement suit brought by Sperian Respiratory Protection U.S.A. in the Central District of California involving Self Contained Breathing Apparatus ("SCBA") for the fire service industry. Following discovery and a Markman hearing, case settled confidentially with no changes made to Draeger Safety's product.
Benchmark Litigation Star 2022
Twin Cities Business Notable Partners in Law 2022
Super Lawyers Rising Star Patrick Arenz
Benchmark Litigation 40 Under Hot List 2021
IAM Patent 1000 2020 - Patrick M Arenz
America’s Top 100 High-Stakes Litigators
40 Under 40 2018
Northstar Lawyer
Multi Million Dollar Advocates Forum
  • Listed in The Best Lawyers in America (2023 edition)
  • Named an "Attorney of the Year," Minnesota Lawyer (2022)
  • Named a "Notable Partner in Law," Twin Cities Business (2022)
  • Named a "Midwest Trailblazer," The American Lawyer (2022)
  • Named to "POWER 30" List, Minnesota Lawyer (2021-2022)
  • Named to “The 40 Under 40,” List, Bloomberg Law (2021)
  • Listed as a “Recommended Individual for Litigation in Minnesota,” IAM 1000: The World’s Leading Patent Professionals (2020-2022)
  • Named to America's Top 100 List for High-Stakes Litigation
  • Named a "Future Star," Benchmark Litigation (2020-2023)
  • Named Euromoney's Americas Rising Star Winner for Best in Litigation: Trial Lawyer (2019) 
  • Named to the “40 & Under Hot List,” Benchmark Litigation (2018-2021)
  • Recipient of the "Pro Bono Publico Award," American Bar Association (2018)
  • Finalist, "Trial Lawyer of the Year Award," Public Justice (2018)
  • Named to "40 Under 40 List," Minneapolis/St. Paul Business Journal (2018, 2023)
  • Named "Attorney of the Year," Minnesota Lawyer (2017, 2021)
  • Named a “Minnesota Rising Star,” Super Lawyers (2013-2021)
  • Named a “North Star Lawyer” by the Minnesota State Bar Association for providing at least 50 hours of pro bono legal services (2013, 2015-2016)
  • Harry A. Sieben Award, presented by the Minnesota Chapter of the Federal Bar Association for excellence in the study of federal law and practice.
  • Mid-Minnesota Legal Aid, Board Member
  • Compatible Technologies International, Board Member
  • FBI Citizens’ Academy Alumni Association
Bar Admissions
  • Minnesota
  • U.S. Court of Appeals, Eighth Circuit
  • U.S. Court of Appeals, Federal Circuit
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. Court of Appeals, Second Circuit
  • U.S. District Court, Eastern District of Texas
  • U.S. District Court, Eastern District of Wisconsin
  • U.S. District Court, Minnesota
  • U.S. District Court, Western District of Texas
  • U.S. Supreme Court
  • William Mitchell College of Law, J.D., magna cum laude (2006); William Mitchell Law Review, Assistant Editor (2005-2006), Staff Member (2004-2005); American College of Trial Lawyers Mock Trial Team (2006)
  • University of Wisconsin-Madison, B.A., History and Political Science, with distinction in Political Science (2003)                 
Professional Associations
  • U.S. District Court, District of Minnesota Federal Practice Committee (2023)
  • American Bar Foundation, Fellow
  • American Bar Association
  • Federal Bar Association, Minnesota Chapter
    • Treasurer, (2016-2017)
    • Assistant Treasurer, (2015-2016)
    • Co-Vice President, Monthly Meetings (2014-2015)
    • Co-Vice President, Legal Education (2012-2014)
    • Chair, IP Practice Group Committee (2009-2012)
    • Chair, Communications Committee (2008-2009)
  • Minnesota State Bar Association
  • Eastern District of Texas Bar Association
  • Eastern District Bench Bar Conference Planning Committee (2011 - Present)
  • Lifetime member of the Multi-Million Dollar Advocates Forum, a forum limited to trial attorneys who have achieved multi-million dollar results

Quoted in:

Mentioned in:

  • "Disney Settles Screenwriters' Claim It Stole 'Pirates' IP," Law360 (September 1, 2022)
  • “Stepping into the Shoes of the Department of Justice: The Unusual, Necessary, and Hopeful Path the Illinois Attorney General Took to Require Police Reform in Chicago,” Northwestern Law Journal of Law and Social Policy (Winter 2020)
  • Verdict Alert! 8-Figure Edition
    Panelist, Minnesota Association for Justice, Webinar (February 2, 2022)
  • Best Practices & Lessons Learned in Firm-Funder Alliances & Funded Deals
    Panelist, Third Annual LF Dealmakers Forum, Webinar (October 22, 2020)
  • From Contract to Courtroom: Lessons Learned In Contract Litigation and Trials
    Moderator, Robins Kaplan LLP CLE Presentation, Webinar (September 30, 2020)
  • From Contract to Courtroom: Lessons Learned in Contract Litigation and Trials
    Panelist, ACC-MN, Webinar (June 18, 2020)
  • Coping With Issues Arising From Litigation Funding: Does Such Funding Models Play a Role in Encouraging and Rewarding Innovation? 
    Leahy Institute of Advanced Patent Studies, The Naples Roundtable, Naples, Florida (February 17-18, 2020)
  • Alice and Section 101 Current Trends and Future Possibilities
    Sedona Conference, Philadelphia, Pennsylvania (March 29, 2019)
  • Breaking Free Pro Bono Anit Human Trafficking Litigation
    ABA Equal Justice Conference, San Diego, California (May 11, 2018)
  • The World After T.C. Heartland: Effective Management of Multidistrict Litigations (MDLs) And "Pseudo - MDLs" From The Court’s And The Parties’ Perspectives
    The Sedona Conference on International Patent Litigation, Reston, Virginia (February 26, 2018)
  • Early Patent Damages Contentions
    Leahy Institute of Advanced Patent Studies, Naples, Florida (February 19, 2018)
  • Parallel Universes The Intersection of PIRs
    American Intellectual Property Law Association, Webinar (November 8, 2017)
  • Best Practices for Managing Parallel Patent Trial and Appeal Board (PTAB) and District Court Proceedings
    American Intellectual Property Law Association, Washington, DC (October 20, 2017)
  • Anti-Human Trafficking Webinar Part I: An Introduction
    American Association for Justice, Webinar (October 17, 2017)
  • Anti Human Trafficking Webinar Part I An Introduction
    American Association for Justice, Webinar (October 17, 2017)
  • With Millions of Dollars at Stake: A Trial Lawyer’s Perspective on Litigating and Trying IP License Disputes to Juries and Arbitrators
    Licensing Executives Society, Palo Alto, California (June 21, 2017)
  • Declining Right to Trial by Jury in Patent Cases
    The Future of IP and Technology Law Forum, Seattle, Washington (June 7, 2017)
  • Effective Management of Multidistrict Litigation and Pseudo MDLs
    The Sedona Conference, Houston, Texas (February 27, 2017)
  • Representing the Inventor in the Garage Megdal Associates LLC v La Z Boy
    University of Minnesota Law School, Minneapolis, Minnesota (November 16, 2016)
  • Effective Management of Multidistrict Litigations MDLs and PseudoMDLs
    Sedona Conference on Patent Litigation, Washington, D.C. (October 24, 2016)
  • Revisiting No Challenge Clauses and Assessing At risk Licenses
    Intellectual Property Owners Association, Subcommittee on IP Licensing, Minneapolis, Minnesota (October 13, 2016)
  • Patent Litigation: Practice Tips
    American Intellectual Property Law Association, Washington, D.C. (October 22, 2015)
  • Abusive Discovery Must Be Curbed
    The Sedona Conference, Reston, Virginia (October 19, 2015)
  • Impact of Octane Fitness Highmark proposed best practices
    The Sedona Conference, Miami, Florida (May 18, 2015)
  • What is an Exceptional Case
    All Voices Sedona Conference, New Orleans, Louisiana (November 6, 2014)
  • Case Management in Patent Litigation
    All Voices Sedona Conference, New Orleans, Louisiana (November 5, 2014)
  • What Civil Lawyers Can Learn From Criminal Lawyers, and Vice-Versa (Panel)
    The 40th Annual Federal Practice Seminar, Minneapolis, Minnesota (June 26, 2014)
  • Case Management Issues from the Judicial Perspective
    The Sedona Conference Working Group 10 Midyear Meeting, San Francisco, California (April 10, 2014)
  • Appellate Practice: Intellectual Property
    Understanding Minnesota Appellate Practice and Procedure Series, Minnesota CLE, Minneapolis, Minnesota (December 13, 2013)
  • Case Management from a Judicial Perspective
    WG10: Patent Litigation Best Practices, The Sedona Conference, Washington, District of Columbia (September 19, 2013)
  • Trends Inside the Courtroom
    2012 Intellectual Property Institute, Kansas Bar Association, Overland Park, Kansas (May 4, 2012)
  • Don’t Mess with Texas: The Eastern District of Texas and its Unique Role in Patent Litigation
    The University of Minnesota Law School, Minneapolis, Minnesota (October 18, 2011)
  • Introduction to Patent Law - A Practical Perspective
    Federal Bar Association, Minnesota Chapter, Judicial Law Clerk Patent Law Training, Minneapolis, Minnesota (October 13, 2011)
  • Teaming Up to Handle Criminal Defense Cases for the Indigent
    Minnesota State Bar Association, Minneapolis, Minnesota (October 26, 2010)
  • How the New Local Rules and Federal Rule of Evidence 502 Will Impact Your Practice (Panel)
    36th Annual Federal Court Practice Seminar, Minneapolis, Minnesota (June 22, 2010)
  • Hot Topics in Patent Law
    Federal Bar Association (Minnesota Chapter) Judicial Law Clerk Patent Law Training, St. Paul, Minnesota (October 29, 2009)
  • Using FRE 502 to Maintain a Delicate Balance: Reducing Ediscovery Costs While Still Protecting Privilege (Panel)
    Minnesota CLE, Minneapolis, Minnesota (August 24, 2009)
July 14, 2022
WEBINAR | Summer Associate Webinar
Summer Associate Webinar
October 13, 15, 20, and 22, 2020
WEBINAR | Third Annual LF Dealmakers Forum
Patrick Arenz - LF Dealmakers Forum
June 18-19, 2020
WEBINAR | ACC Minnesota Virtual In-House Counsel Conference
Patrick Arenz, Emily Niles - ACC Minnesota
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