Michael DiSantis Tressler LLP

DiSantis, Michael Partner

DiSantis, Michael Partner

Practice Focus

Michael DiSantis is a partner in the Insurance and Litigation practices. He focuses his practice in the areas of insurance coverage analysis and insurance coverage litigation, assisting insurance companies in resolving complex disputes. He has represented insurance companies in litigated coverage matters in federal and state courts throughout the country, including those involving advertising injury, personal injury, bodily injury and property damage. His experience encompasses coverage for environmental risks, toxic torts, asbestos, habitational risks, construction defects, consumer class actions, general coverage and allegations of bad faith. Michael also has experience in first-party property litigation and Section 1983 cases.

Michael is an editor and an active contributor to the popular Commercial General Liability Dispatch blog.

Professional Background

While studying for his undergraduate degree, Michael was awarded the John L. Porter Prize for best senior thesis in the field of political economy.  At the University of Illinois Law School, Michael was a part of the Green Moot Court Chicago Team.


Recent Articles and Blogs

"New 50-State Survey: Application of Pollution Exclusion in First-Party Property Insurance Policies," Commercial General Liability Dispatch, September 11, 2020

"Ohio Court: Insurer Owes Duty To Defend Opioid Claim," Commercial General Liability Dispatch, June 29, 2020

"Ohio Supreme Court Declines To Apply “All Sums” Rule," Commercial General Liability Dispatch, May 7, 2020

"Nebraska Supreme Court: Professional Services Exclusion Does Not Apply to Wrongful Conviction Claim," Commerical General Liability Dispatch, March 2, 2020

"Illinois Supreme Court Decides Trigger of Coverage for Malicious Prosecution Coverage Claims," Commercial General Liability Dispatch, February 25, 2020

"New York Federal Court Applies Media Exclusion," Commercial General Liability Dispatch, February 19, 2020.

"Maryland Court Addresses Time On The Risk Allocation For Lead Injury," Commercial General Liability Dispatch, February 14, 2020

"Courts Explain California Choice Of Law Principles In Recent Cases," Commercial General Liability Dispatch, November 4, 2019

"Missouri Court Holds No Coverage For Wrongful Installation Of Fiber Optic Cable On Easement," Commercial General Liability Dispatch, September 4, 2019

UPDATE: "PA Federal Court Finds Liquor Liability Exclusion Unambiguous," Commercial General Liability Dispatch, August 14, 2019

"Pennsylvania Superior Court Holds Flood Constitutes An “Occurrence,”Commercial General Liability Dispatch,  August 9, 2019

"Middle District of Pennsylvania Holds General Allegations of Infringement Constitute “Real” Advertisement," Commercial General Liability Dispatch, June 25, 2019

"CGL Dispatch Year In Review 2018," Commercial General Liability Dispatch, December 19, 2018

"Ohio Supreme Court Holds Insured’s Subcontractor’s Faulty Workmanship Is Not an “Occurrence,”" Commercial General Liability Dispatch, November 1, 2018

"Pennsylvania Superior Court Holds Insurer Owes Coverage For Negligent Work Outside The Scope Of Contract In Unpublished Opinion," Commercial General Liability Dispatch, July 19, 2018

"Middle District of Pennsylvania Holds No Coverage for Claims for Faulty Workmanship," Commercial General Liability Dispatch, July 12, 2018

"Third Circuit Holds No Coverage For Faulty Workmanship Under Pennsylvania Law," Commercial General Liability Dispatch, July 5, 2018

"Is Negligent Supervision An “Occurrence”? Three High Courts Weigh In," Commercial General Liability Dispatch, June 7, 2018

"50-State Survey: Application Of The Pollution Exclusion In First Party Property Cases,Tressler LLP, May 2018

Advisen Contributor: "UPDATE: Court Finds No Coverage For Municipalities' Claims Against Manufacturers Of Opioid Painkillers," Digest FPN: Digest Edition, March 4, 2018

"UPDATE: Court Finds No Coverage For Municipalities’ Claims Against Manufacturers Of Opioid Painkillers," Commercial General Liability Dispatch, March 1, 2018

"Tenth Circuit Predicts New York’s Highest Court Would Hold Policyholder’s Subcontractor’s Defective Work May Be An “Occurrence”", Commercial General Liability Dispatch, February 24, 2018

"50-State Survey: Does Faulty Workmanship Constitute An "Occurrence"?,Tressler LLP, June 2018

"Eleventh Circuit Holds Insurer Must Defend Painting Subcontractor," Commercial General Liability Dispatch, January 5, 2018

"Eighth Circuit Finds No Coverage In Two Recent Cases," Commercial General Liability Dispatch, February 16, 2018

"Florida Supreme Court Holds Pre-Suit Process May Qualify As “Suit”," Commercial General Liability Dispatch, December 21, 2017

"Fifth Circuit Holds Insurer Breached Duty To Defend Construction Defect Lawsuit,"  Commercial General Liability Dispatch, December 19, 2017

"PA Federal Court Finds Liquor Liability Exclusion Unambiguous," Commercial General Liability Dispatch, December 6, 2017

"Court Finds No Coverage For Municipalities’ Claims Against Manufacturers Of Opioid Painkillers," Commercial General Liability Dispatch, November 13, 2017

"The Missouri Supreme Court Holds Pollution Exclusion Unambiguous," Commercial General Liability Dispatch, November 8, 2017

"New Jersey Court Holds “Manifestation” is “Last Pull” of a Continuous Trigger," Commercial General Liability Dispatch, October 13, 2017

"Pennsylvania Supreme Court Clarifies Standard For Bad Faith," Commercial General Liability Dispatch, September 29, 2017

"Washington Federal Court Applies “Tract Home” Exclusion," Commercial General Liability Dispatch, September 22, 2017

"Pennsylvania Federal Court Holds Insurer Owes No Coverage For Claims Of Faulty Workmanship," Commercial General Liability Dispatch, August 21, 2017

"Pennsylvania Superior Court Applies Total Pollution Exclusion," Commercial General Liability Dispatch, July 25, 2017

"New York’s Highest Court Holds “Caused, In Whole Or In Part, By” In An Additional Insured Endorsement Requires Proximate Causation," Commercial General Liability Dispatch, June 8, 2017

"Illinois Court Finds Statements About An Advertiser’s Own Product Do Not Disparage Others’ Products," Commercial General Liability Dispatch, May 12, 2017

"A Pair of Courts in Pennsylvania Address Significant Coverage Issues," Commercial General Liability Dispatch, April 27, 2017

"When is a Claimant a “Third Person” Under the Definition of Insured Contract?," Commercial General Liability Dispatch, February 22, 2017

"9th Circuit Holds Decay Between Walls Did Not Trigger Decades-Old “Collapse” Coverage," The Property Line, February 9, 2016

"Pennsylvania Court Holds Insurer That Breached Duty to Defend Cannot Challenge Reasonableness of Defense Costs," Commercial General Liability Dispatch, February 2, 2017

"Can an Insurer Disclaim a Defense Obligation Based on a “Controlled Insurance Program” Exclusion?," Commercial General Liability Dispatch, January 18, 2017

"Tressler LLP Launches CGL Dispatch," Commercial General Liability Dispatch, January 12, 2017

"TRESSLER WIN: Illinois Appellate Court Slams Junk Fax Litigation “Charade;” Holds Insurer Owes no Coverage for TCPA Settlement," Commercial General Liability Dispatch, April 4, 2016

"TRESSLER WIN: Wisconsin Federal Court Applies Prior Publication Exclusion in Copyright Infringement Case," Commercial General Liability Dispatch, March 3, 2016


Representative Experience

  • First Mercury Ins. Co. v. Nationwide Sec. Services, Inc., 54 N.E.3d 323 (Ill. App. 2016)
  • Design Basics LLC v. Best Built Inc., 2016 WL 1060253 (E.D. Wis. Mar. 15, 2016)
  • American Ins. Co. v. Evercare Co., 430 Fed. Appx. 795 (11th Cir. 2011)