E. Jason Tremblay


E. Jason Tremblay


161 North Clark
Suite 4200
Chicago, IL 60601

P: 312.876.6676

F: 312.876.7346





Mr. Tremblay is a partner in the Arnstein & Lehr Chicago office. He is the chair of the Employment & Labor Practice Group, as well as a member of the firm’s Litigation Group. Mr. Tremblay focuses his practice in employment and commercial litigation. In the commercial area, he represents parties in a broad range of complex business and tort litigation matters, including matters involving breach of contract, breach of fiduciary duty, fraud, interference with contract, shareholder disputes and insurance coverage.

In the employment area, Mr. Tremblay has extensively addressed, through counseling, negotiation and litigation, a broad range of key issues critical to the evolving workplace. He has particular expertise representing employers in both federal and state court, as well as administrative tribunals, in a wide variety of lawsuits, including:

  • Enforcement of restrictive covenants
  • FLSA
  • Title VII
  • ADA and ADEA discrimination and retaliation claims
  • Wage and hour claims
  • FMLA interference claims
  • Trade secrets
  • Unfair competition matters
  • He frequently reviews and drafts employment and independent contractor agreements, severance agreements, employment policies and employee handbooks.

Mr. Tremblay represents a diverse client base, including: financial institutions, universities, municipalities and companies in the information technology, printing, manufacturing, distribution, food and beverage, consulting and retail industries.


Mr. Tremblay is currently serving as of counsel for the 2016 GOA Regional Business Association. He is an active member in the Illinois State Bar Association (Labor and Employment Section Council member), the Greater O’Hare Association and the Small Business Advocacy Council. He is also a member of several regional chambers of commerce.

Mr. Tremblay graduated from law school with high honors and received the CALI Award for Academic Excellence in Legal Writing. He was a judicial extern for then Presiding Magistrate Judge Arlander Keys in the United States District Court for the Northern District of Illinois. Mr. Tremblay also served as a certified mediator through the Center For Conflict Resolution and mediated numerous cases involving landlord-tenant disputes, juvenile court referrals and employment discrimination. Throughout law school, he also served as a law clerk with the Office of the General Counsel at the Illinois Institute of Technology.

Publications & Speaking Engagements

Mr. Tremblay recently authored the fourth edition of “The Employment Law Toolkit for Illinois Employers – How to Protect Your Business From Liability and Comply with State and Federal Employment Laws” (Fifth Ed.), a 180 page comprehensive summary of significant employment and labor issues facing Illinois employers in today’s business environment.

He also wrote an e-book chapter entitled “Ten Easy Steps Employers Can Take To Avoid Employment-Related Liability” for ExecSense — the world’s largest publisher of webinars, e-books and digital knowledge.

Additionally, he authored six columns on various employment law issues for Inside Counsel – Business Insights for Law Department Leaders.

Mr. Tremblay has also written the following articles in the past several years:

Mr. Tremblay regularly presents and teaches a multitude of employment law focused subjects.

His presentations include a popular 4-part seminar series entitled Employment Law for Businesses. Some of the issues discussed were worker classification and independent contractor developments, wage and hour compliance strategies, the importance of employment audits, and steps employers can take to protect their trade secrets and competitive advantage. 

  1. “Independent Contractor v. Employee – Why it Matters and What You Can Do About It”
  2. “Are You Classifying Your Employees Correctly? FLSA Compliance Tips and Strategies”
  3. “Importance of Preventative Employment Audits – An Ounce of Prevention is Worth a Pound of Cure”
  4. “Protecting Your Trade Secrets and Maintaining a Competitive Advantage”

Mr. Tremblay has also presented the following seminars:

He also frequently presents seminars to industry groups on a wide range of labor and employment topics such as cost-effective steps employers can take to protect their assets and avoid litigation.


Chicago-Kent College of Law (J.D. with high honors, 2000; Order of the Coif)
Franklin and Marshall College (B.A., 1996)
University of Aberdeen, Scotland (1995)

Bar Admissions

State of Illinois
U.S. District Court, Northern (including Trial Bar) and Central Districts of Illinois
U.S. Court of Appeals, Seventh Circuit