Search form

James D. Thomas


P 312-787-4949
F 312-787-4995


James D. Thomas is a Principal in the Chicago, Illinois, office of Jackson Lewis P.C. He concentrates his practice in the representation of employers in labor and employment matters.

Mr. Thomas regularly represents clients in federal and state courts. His practice includes counseling employers on labor and employment issues, defending labor and employment litigation, and negotiating and administering collective bargaining agreements. Mr. Thomas has experience involving claims for breach of contract; trade secret and restrictive covenant issues; sexual and racial harassment; pregnancy, sex, race and age discrimination; wrongful discharge; and violations of the ADEA, ERISA, FMLA, FLSA, Illinois Public Labor Relations Act, National Labor Relations Act, Title VII, and other statutes.

As an advisor to employers, Jim counsels on a wide range of labor and employment issues including discharge and discipline, conducting harassment investigations, employee handbooks and policies, union organizing campaigns, double-breasting, drug testing, subcontracting, strikes and picketing, plant closings, and compliance with WARN and other federal, state, and local laws regarding civil rights and employment.

Representative Experience

  • Won summary judgment for employer on age discrimination and ERISA claims.
  • Defeated attempt to add putative ERISA breach of fiduciary duty class action claim to long-term disability lawsuit and ultimately won judgment for plan and its administrator on plaintiff's claim for benefits and plan's claim for overpayments.
  • Represented prominent Chicago Alderman in First Amendment lawsuit that received national media coverage.
  • Represented multiple governmental entities in interest arbitration proceedings pursuant to Section 14 of the Illinois Public Labor Relations Act.
  • Represented employers in grievance arbitration proceedings.
  • Represented large government entity in collective bargaining negotiations with its three largest bargaining units.
  • Represented employers faced with charges of pregnancy, sex and, race discrimination before the Equal Employment Opportunity Commission.
  • Represented employers faced with unfair labor practice charges before the Illinois Labor Relations Board and the National Labor Relations Board.
  • Defended municipal organization in a collective action alleging violations of the FLSA based on unpaid overtime.

Honors and Recognitions

James D. Thomas
Rated by Super Lawyers

loading ...

See AllJames D. Thomas in the News

May 7, 2018
Law 360

Jackson Lewis' Recently Elevated and Promoted Attorneys Spotlighted

May 7, 2018

Jackson Lewis’ newly elevated and promoted attorneys are featured in "Law360 Names Attys Who Moved Up The Firm Ranks In Q1,” published by Law360. Subscription may be required to view article Read More

January 9, 2018
Jackson Lewis

Jackson Lewis Celebrates 14 Newly Elevated Principals

January 9, 2018

WHITE PLAINS, NY (January 9, 2018) Jackson Lewis P.C., one of the country’s preeminent workplace law firms, is pleased to congratulate the firm’s 14 newly elevated Principals. “The selected attorneys have demonstrated an extraordinary amount of dedication to client service and have helped us increase the depth and breadth of our... Read More

See All Upcoming James D. Thomas Events

Oct 21toOct 22

Chicago, IL
Register Now

Restoring the Balance: Bargaining to Win for Unionized Employers

October 21, 2019 - 12:00 PM to October 22, 2019 - 4:00 PM CST
205 N. Michigan Avenue - Chicago, IL
Credits: CLE - Pending, HRCI - Pending, SHRM - Pending
Register Now