Dale O. Thornsjo Shareholder

  • Bar Admissions
    • Minnesota State Court (1984)
    • Federal District Court, District of Minnesota (1984)
    • Eighth Circuit Court of Appeals (1987)
    • Federal District Court, Western District of Wisconsin (1991)
    • Federal District Court, Eastern District of Michigan (1994)
    • Federal District Court, Eastern District of Wisconsin (2008)
    • Federal District Court, District of North Dakota (2009)
    • Pro Hac Vice admissions in Federal Courts in the Eastern District of New York and the District of South Dakota, and in state courts in Michigan, Wisconsin, Iowa and South Dakota.

     

  • Author & Speaker
     

     

  • Reported Cases
    • Stand Up Multipositional Advantage MRI, P.A., v. Am. Family Ins. Co., 889 N.W.2d 543 (Minn. 2017) (amicus)

    • Poehler v. Cincinnati Ins. Co., 899 N.W.2d 135 (Minn. 2017) (amicus)

    • Wilbur v. State Farm Mut. Auto. Ins. Co., 892 N.W.2d 521 (Minn. 2017) (amicus)

    • Wilcox v. State Farm Fire and Cas. Co., 874 N.W.2d 780 (Minn. 2016) (amicus)

    • Schroeder v. Western Nat. Mut. Ins. Co., 865 N.W.2d 66 (Minn. 2015) (amicus)
    • Graphic Communications Local 1B Health and Welfare Fund “A” v. CVS Caremark Corp., 850 N.W.2d 682 (Minn. 2014) (amicus)
    • Engineering & Const. Innovations, Inc. v. L.H. Bolduc Co. Inc., 825 N.W.2d 695 (Minn. 2013) (amicus)
    • Western Nat’l. Ins. Co. v. Thompson, 797 N.W.2d 201 (Minn. 2011) (amicus)
    • Cargill, Inc. v. Ace Am. Ins. Co., 784 N.W.2d 341 (Minn. 2010)
    • Star Windshield Repair, Inc. v. Western Nat'l Ins. Co., 768 N.W.2d 346 (Minn. 2009) (amicus)
    • Timmer v. Shamineau Adventures, 2007 WL 1121573 (Minn. App. 2007), Review Denied (Minn. June 27, 2007)
    • In Re: Silicone Implant Ins. Coverage Litigation, 652 N.W.2d 46 (Minn. App. 2002), aff’d in part and reversed in part, 667 N.W.2d 405 (Minn. 2003), reh’g denied (Minn. Sept. 29, 2003)
    • Independent School District 833 v. Bor-Son Constr., Inc., 631 N.W.2d 437 (Minn. Ct. App. 2001)
    • Continental Cas. Co. v. Auto-Owners Ins. Co., 238 F.3d 941 (8th Cir. 2000)
    • Ceridian Corp. v. SCSC Corp., 38 F.Supp. 1113 (D. Minn. 1999), aff’d, 212 F.3d 398 (8th Cir. 2000)
    • Dow Corning v. Continental Casualty, 1999 WL 33435067 (Mich.App.1999)
    • Hydrite Chem. Co. v. Aetna Cas. & Sur. Co., 220 Wis.2d 26, 582 N.W.2d 423 (Ct. App. 1998)
    • State v. Hydrite Chem. Co., 220 Wis.2d 51, 592 N.W.2d 411 (Ct. App. 1998)
    • Westling Mfg. Co., Inc. v. Western Nat. Mut. Ins. Co., 581 N.W.2d 39 (Minn. App. 1998)
    • Frank v. Winter, 528 N.W.2d 910 (Minn. Ct. App. 1995)
    • Aetna Cas. & Sur. Co. v. Dow Chemical Co., 44 F.Supp.2d 847 (E.D. Mich. 1997), 933 F.Supp.2d 675 (E.D. Mich. 1996), 883 F.Supp.2d 1101 (E.D. Mich. 1995)
    • SCSC Corp. v. Allied Mut. Ins. Co., 536 N.W.2d 305 (Minn. 1995)
    • Harder v. Austin Mut. Ins. Co., 481 N.W.2d 17 (Minn. 1992)
    • Sylvester Bros. Development Co. v. Great Cent. Ins. Co., 503 N.W.2d 793 (Minn. App. 1993), 480 N.W.2d 368 (Minn. App. 1992)
    • Holmes v. Watson-Forsberg Co., 488 N.W.2d 473 (Minn. 1992)
    • Souder v. Owens-Corning Fiberglas Corp., 939 F.2d 647 (8th Cir. 1991)
    • Austin Mut. Ins. Co. v. Templin, 435 N.W.2d 584 (Minn. Ct. App. 1989)

     

  • Support Staff

    Assistant

    Brenda Hartmann
    952.806.0488


Attorney Bio

Dale Thornsjo focuses his litigation practice on the continually evolving insurance coverage and liability issues raised in construction, products liability, toxic tort and environmental matters.  He represents primary and excess/umbrella insurers in a wide variety of construction defect, trigger, allocation, duty to defend, “bad faith,” and “coordination of coverage” actions. He also continues his long-established practice of defending clients in mass tort, multiple-plaintiff or individual plaintiff cases in such diverse areas as asbestos, mold, damp buildings, building products, food adulterants and other substances.

In addition to his practice in Minnesota, Mr. Thornsjo has represented insurers, manufacturers and other entities in jurisdictions such as Wisconsin, Iowa, Michigan, South Dakota, and New York. He is a 1984 cum laude graduate of the William Mitchell College of Law. He is a member of the Defense Research Institute, its Insurance Law Committee, and that Committee’s Commercial General Liability Subcommittee.  As a member of DRI’s local arm, the Minnesota Defense Lawyers Association, he is a founding co-chairman of MDLA’s Insurance Law Committee, and a past chair of the MDLA’s Toxic Tort and Environmental Law Committee. He is also a member of the Federal Bar Association, the Association of the Bar of the United States Court of Appeals for the Eighth Circuit, the Minnesota State Bar Association, and the Hennepin County Bar Association. His Firm is a member of the Primerus Defense Institute where he serves on the Executive Board of Primerus’ Insurance Coverage and Bad Faith Committee.  He is a frequent lecturer and author on complex coverage and product liability matters, and has testified before various committees of the Minnesota House of Representatives and the Minnesota Senate on insurance coverage and bad faith issues.

Mr. Thornsjo chairs the Firm’s Insurance Coverage, and Toxic and Mass Tort, Practice Groups. He has been honored by his peers as an insurance coverage “Super Lawyer” for many years.