Heyl Royster


Doug Heise

Doug Heise

Significant Cases

  • Defended a physician and her employer in a case where plaintiff, an inmate at an Illinois Correctional Center, alleged that the defendants were deliberately indifferent to plaintiff's medical needs in relation to a knee injury. Following the injury, plaintiff was ultimately diagnosed with a torn meniscus and ACL, a fracture of the medial tibial plateau, and osteroarthrosis, and had reconstructive knee surgery. Plaintiff alleged that the defendant doctor was deliberately indifferent to his medical needs in her treatment of his knee, and that the doctor's employer was deliberately indifferent through its official policy of treating such injuries. Following a three-day jury trial, the jury found in favor of the defendants.
  • City of Belleville v. Doe by Doe 523 U.S. 1001 (1998) Whether same sex harassment is actionable under Title 7.
  • Longstreet v. Cottrell 374 Ill. App. 3d 549 (5th Dist. 2007) The estate of a deceased party cannot introduce the discovery deposition of the deceased party at trial as an exception to the hearsay rule.
  • Steelman v. City of Collinsville 319 Ill. App. 3d 1131 (5th Dist. 2001) The IRS's seizure of funds being held by a municipal police department did not constitute a conversion of those funds by the department.
  • T.H.E. Insurance v. City of Alton 227 F.3d 802 (7th Cir. 2000) Whether a certificate of insurance can modify the language contained in the policy of insurance.
  • City of East St. Louis v. Circuit Court for the 20th Judicial Circuit, St. Clair County, IL986 F.2d 1142 (7th Cir. 1998) The federal district court properly entered Rule 11 sanctions against plaintiff's counsel for bringing suit against a judicial circuit.


  • “Strike The Right Balance To Keep A Drug Free Workforce: Recent Challenges to Employer’s Policies,” ABA Commercial Transportation Litigation Newsletter (2018)

Public Speaking

  • “Discoverability of Pre-Suit Investigation and Surveillance”
    Heyl Royster's 33rd Annual Claims Handling Seminar 2018
  • “Retaliation in the Workplace: State and Federal Claims”
    Heyl Royster Employers' Day Seminar 2016
  • “The Essentials on Police Litigation: From Start to Finish”
    National Business Institute 2016
  • “When Social Media Becomes Socially Awkward”
    Heyl Royster's 31st Annual Claims Handling Seminar 2016
  • “Risk Assessment: Illinois Tort Immunity Act”
    Illinois Association of County Engineers 100th Annual Spring Meeting 2014
  • “Should be: Building a Solid Foundation for Defense: Gathering and Preservation of Evidence”
    Heyl Royster’s 26th Annual Claims Handling Seminar 2011
  • “When Do You Need an Expert Witness”
    Heyl Royster's 25th Annual Claims Handling Seminar 2010
  • “Uninsured and Underinsured Motorist Update”
    Heyl Royster 25th Annual Claims Handling Seminars 2009
  • “Introduction to Illinois & Missouri Law Regarding Veterinarian Malpractice”
    Greater St. Louis Veterinary Medical Association - St. Louis Humane Society 2009
  • “Casualty and Property Seminar - Premises Liability Update”
    Heyl Royster 2008
  • “Current Issue in Illinois Law”
    United States Arbitration and Mediation, Midwest, Inc. 2007
  • “Claims Against Governmental Agencies / Tort Immunity”
    Illinois State Bar Association 2006