Sinars Slowikowski Tomaska | Attorneys At Law (312) 767-9790
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  • Areas of Practice
    • GENERAL LITIGATION
    • CONSTRUCTION DEFECT/NEGLIGENCE
    • HEALTHCARE AND LONG-TERM CARE
    • MEDICAL DRUG AND DEVICE
    • PREMISES LIABILITY
    • PRODUCT LIABILITY & MASS TORT
    • ​PROFESSIONAL LIABILITY
    • SPORTS LIABILITY
    • TRANSPORTATION
    • EMPLOYMENT LITIGATION
    • CANNABIS LAW
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JOHN-MICHAEL PORRETTA - PARTNER
​
(312) 767-9790
jmporretta@sinarslaw.com​

Biography

John-Michael Porretta is a partner with Sinars Slowikowski Tomaska and has more than a decade of civil litigation experience. He concentrates his practice on product liability, toxic torts, and occupational injury claims, including the defense of asbestos litigation.

John-Michael has lengthy experience in asbestos personal injury, toxic tort and product liability cases. John-Michael has a wealth of deposition experience and routinely argues on behalf of his clients throughout Illinois and Missouri. He is also responsible for all aspects of case management, including motion practice, discovery disputes, settlement negotiations and trial preparation.

John-Michael also serves as general counsel for a local apparel company.  In this role he has examined and drafted numerous internal policies, examined and drafted numerous contracts with suppliers and customers, and assisted in the purchase and sale of businesses and commercial real estate.

​In law school, John-Michael was Business Editor of the Journal of Sports Law and Contemporary Problems.

Publications and Presentations

  • Co-author of “Litigating Sports Brain Injuries: The New Ball Game,” June 2016 Illinois Bar Journal, Vol. 104 No. 6

Education

  • DePaul University College of Law, JD, 2008​
  • University of Notre Dame, BBA in Marketing, 2005

Admissions

  • Illinois 
  • Missouri
  • United States District Court for the Northern District of Illinois

Professional Memberships

  • Chicago Bar Association
  • Illinois State Bar Association

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​CHICAGO

55 W. Monroe St.
Suite 4000
Chicago, IL 60603


(312) 767-9790

SAN RAMON

​6101 Bollinger Canyon Rd.
​Suite 326
San Ramon, CA 94583

​
​(925) 676-4200

DALLAS/FORT WORTH

​1360 N. White Chapel Blvd.
​Suite 200
Southlake, TX 76092

​
​(312) 767-9790

SEATTLE

1000 2nd Ave.
Suite 1950
​Seattle, WA  98104

​
​(206) 705-2115

MADISON COUNTY

315 N. Main St.
Suite 2
Edwardsville, IL 62025

(618) 215-6780

ST. LOUIS

​800 Market St.
Suite 2950
St. Louis, MO 63101

(314) 391-2260



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