When your Wisconsin-based interests are at stake.

Grant C. Killoran
Grant C. Killoran
O’Neil, Cannon, Hollman, DeJong & Laing S.C.
111 E. Wisconsin Avenue
Suite 1400
Milwaukee, Wisconsin 53202
Phone: 414.276.5000
Fax: 414.276.6581

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Grant Killoran is a shareholder with the law firm of O’Neil, Cannon, Hollman, DeJong & Laing S.C. He has significant and diverse trial experience representing clients in Wisconsin State and Federal Courts, and courts around the country, focusing on complex business and health care disputes. Grant devotes a portion of his practice to arts and entertainment law, with an emphasis on the music and film industries. Grant has served as one of the State Bar of Wisconsin’s five Delegates to the American Bar Association’s House Delegates and as Co-Chair of the ABA Section of Litigation Health Law Litigation Committee.

Grant Assists Clients With

  • Complex Litigation
  • Commercial and Business Litigation
  • Health Care Industry Litigation
  • Trade Secrets and Restrictive Covenant Litigation
  • Risk Management Counseling
  • Appellate Litigation
  • Corporate and Shareholder Disputes
  • General Business Counseling and Advice
  • Contract Disputes
  • Tort Disputes
  • Class Action Litigation
  • Dispute Resolution

Representative Case Experience

  • Specialty Tapes, LLC v. CAT Industries, LLC, et al., Racine County, WI, Case No. 09-CV-1698 (2010)
  • Mahoney v. Prevea Health Services, Inc., et. al., Brown County, WI, Case No. 08-CV-1925 (2009)
  • Tanke v. Prevea Clinic, Inc., Brown County, WI, Case No. 08-CV-1433 (2009)
  • Laughlin, et al. v. ProHealth Care, Inc., et al., Waukesha County, WI, Case No. 05-CV-1109 (2007)
  • Covenant Medical Center, Inc. v. Skierka, M.D., et al., Butler County, IA, Case No. LACV 019544 (2007)
  • Cedar Valley Lawn Care, Inc. v. Covenant Health System, Inc., Black Hawk County, IA, Case No. LACV 096464 (2007)
  • Summers v. Hurley Health Services, et al., Genesse County, MI, Case No. 05-81687 (2007)
  • The Cadle Company II, Inc. v. Bain, Brown County, WI, Case No. 05-CV-169 (2007)
  • Boruta v. Medical College of Wisconsin, Milwaukee County, WI, Case No. 06-CV-6794 (2006)
  • In the Matter of the Collier Revocable Trust, Milwaukee County, WI, Probate File No. 04-PR-305 (2006)
  • Rivera, et al. v. Network Health Plan of WI, U.S.D.C. for E.D. of WI Case No. 02-1055 (2005)
  • Fisher Scientific Company LLC v. Witte, et al., U.S.D.C. for W.D. of PA Case No. 04 0596 (2006)
  • Benitiec Australia Ltd. v. Promega Corporation, et al., U.S.D.C. for DE Case No. 04-889 (2005)
  • Godiwalla v. Children’s Hospital, Inc., et al., U.S.D.C. for E.D. of WI Case No. 02-C-906 (2004)
  • Voith Paper Inc. v. Re-Box Packaging, et al., Outagamie County, WI, Case No. 03-CV-154 (2004)
  • Cababa v. St. Francis Hospital, Inc., U.S.D.C. for E.D. of WI, Case No. 02-C-673 (2003)
  • Cavalo Growers of CA v. Anthony Gagliano & Co., Inc., et al., U.S.D.C. for E.D. of WI Case No. 03-C-556 (2003)
  • Lloyd v. Kenosha Hospital, Inc., U.S.D.C. for E.D. of WI Case No. 00-642 (2002)
  • St. Joseph Regional Medical Center v. General Growth, et al., Milwaukee County, WI, Case No. 00-CV-921 (2002)
  • Fuhrmann, et al. v. Network Health System, Inc., Waupaca County, WI, Case No. 00-CV-174 (2001)
  • Radiology Consultants, S.C., et al. v. Huberty, et al., Racine County, WI, Case No. 99-CV-1729 (2000)
  • Renaissance Faire Limited Partnership v. Flex Cable/Kirkof Group, et al., Milwaukee County, WI, Case No. 90-CV-714 (1995)
  • Myron Soik, et al. v. Stokely, USA, Inc., 175 Wis. 2d 456, 498 N.W.2d 897 (1993)

Awards/Distinctions

  • Law & Politics Magazine repeatedly has named Grant one of Wisconsin’s “Super Lawyers,” a distinction limited to the top 5% of Wisconsin attorneys
  • Nightingale’s Health Care News, a national health law publication, has named Grant an “Outstanding Health Care Litigator”
  • Grant has been named a Fellow of the American Bar Foundation, membership in which is limited to one-third of one percent of the lawyers in America
  • The Milwaukee Young Lawyers Association has awarded Grant its Community Service Award
  • Grant has an AV rating with Martindale-Hubbell, which “reflects an attorney who has reached the heights of professional excellence, has usually practiced law for many years and is recognized for the highest levels of skill and integrity”

Articles/Presentations

  • Author, “Doing Business in United States: Wisconsin,” PLC Cross-Border “Doing Business In …” Handbook (2008)
  • Author, “American Bar Association House of Delegates Update,” American Bar Association Section of Litigation Health Law Litigation Newsletter (Winter 2008)
  • Speaker, Lex Mundi North American Regional Conference, “Antitrust and Electronic Data Considerations for the Health Care Industry” (Miami, FL, February 2008)
  • Editor, American Bar Association Section of Litigation Health Law Litigation Newsletter (2003–2007)
  • Speaker, Lex Mundi North American Regional Conference, “Aligning Resources to Practice and Industry Groups” (Toronto, Canada, August 2007)
  • Speaker, Lorman Education Services’ Medical Records Law in Wisconsin Seminar, “Responding to Discovery, Subpoenas, Court Orders and Law Enforcement” (Green Bay, WI, May 2007)
  • Speaker, American Conference Institute’s Summit on Healthcare Complex Litigation, “Posturing the Case in the Client’s Favor: Advanced Strategic Considerations for Achieving Early Success” (New York, NY, April 2007)
  • Speaker, American Board of Quality Assurance and Utilization Review Physicians, “Can Patient Safety Initiatives Succeed Without Tort Reform?” (Tampa, FL, October 2004)
  • Author, “Courts Reject Antitrust Challenges to Hospital Exclusive Provider Contracts,” website article (2004)
  • Author, “Courts Continue to Reject Physician Challenges to Hospitals’ Medical Exclusive Contracts,” website article (2003)
  • Author, “Hospital Medical Exclusive Contracts Find Favor in the Nation’s Courts,” website article (2002)
  • Lead Actor, “Storm Clouds—The Trial of Sherman Booth,” Milwaukee Bar Foundation (1998)
  • Editor, University of Minnesota School of Law “The Journal of Law and Inequality” (1988–1989)

Professional Associations and Affiliations

  • Delegate, American Bar Association House of Delegates (1997–1999, 2003–2009)
  • Co-Chair, American Bar Association Section of Litigation Health Law Litigation Committee (2007–2009)
  • Fellow, American Bar Foundation (2008–present)
  • North American Regional Vice-Chair, Lex Mundi Health Care Industries Practice Group (2007–2009)
  • Editor, American Bar Association Section of Litigation Health Law Litigation Newsletter (2003–2007) (ABA Outstanding Subcommittee Chair 2004 and 2007) (ABA Outstanding Newsletter Editor 2004–2005)
  • Member, Milwaukee Bar Association Judicial Selection Committee (1997–2000, 2008–present)
  • Member, Milwaukee Bar Association Milwaukee Justice Center Committee (2009–present)
  • Member, State Bar of Wisconsin Multidisciplinary Practice Committee (1999–2000)
  • Director, Milwaukee Young Lawyers Association (1992–2000) (1993 recipient of its Community Service Award)
  • Member, American Bar Association (Section of Litigation, Health Care Section and Trial Practice Committee)
  • Member, American Health Lawyers Association
  • Member, State Bar of Wisconsin (Litigation Committee and Sports, Arts and Entertainment Committee)
  • Member, Milwaukee Bar Association

Community Service

  • Founding Steering Committee Member and DJ, WMSE Radio, 91.7 FM, Milwaukee, WI (2002 present)
  • Board Member, Milwaukee Shakespeare (2008–2009)
  • President (2000–2002) , Macalester College Alumni Association Board of Directors (2000–2002) (Director, 1996–2002)
  • General Manager–Music Director, WMCN Radio, 91.7 FM, St. Paul, MN (1984–1986)
  • Volunteer, Milwaukee Justice Center

Admissions

  • State Bar of Wisconsin (1989)
  • U.S. District Court for the Eastern District of Wisconsin
  • U.S. District Court for the Western District of Wisconsin
  • U.S. Court of Appeals for the Seventh Circuit
  • Various other State and Federal Courts across the U.S. on a pro hac vice basis