Basileios "Bill" Katris

Basileios "Bill" Katris

BILL KATRIS has extensive litigation, arbitration and counseling experience involving a wide range of complex commercial contract disputes, trust and estate controversies, and business torts, including matters arising from breach of fiduciary duties, data usage, intellectual property disputes, the Telephone Consumer Protection Act ("TCPA"), breach of contract/contract interpretation, real estate transactions, employment issues, unfair competition, trade secret misappropriation, fraud, corporate mismanagement and business defamation issues. Bill's trust and estate litigation experience includes representing both trustees and beneficiaries in various trust and estate controversies.

Bill also represents companies across the country in all aspects of their business relationships, consumer relationships and relationships with employees. Bill has represented a broad range of clients, such as internet start-ups, mobile marketing and mid-market technology companies, construction companies, financial services companies, governmental entities, manufacturing companies, nationwide distributorships, professional service providers, insurance companies and large equity investors. Bill's clients range from small business owners to large publicly traded companies.

Bill completed Chicago-Kent College of Law's certificate programs in Environmental and Energy Law as well as International and Comparative Law. Bill also studied International Trade Relations at King's College of London, England, and completed Loyola University's International Business Studies Program in Rome, Italy.



  • American Bar Association, Member
  • Illinois State Bar Association, Member
  • ABA Business Law Section Member (Cyberspace Law, International Business & Corporate Counsel Committees)
  • ABA Science & Technology Law Member (Big Data, Cloud Computing, Data Property Rights & Internet of Things Committees)
  • ABA Section of Litigation Member (Trial Practice: Email & Social Media, Intellectual Property & Professional Services Liability Committees)

Representative Matters

  • Lead counsel in the representation of a minority shareholder in his dispute with the majority shareholder of an Illinois based multi-million dollar medical product and services operation. A settlement was successfully negotiated for the buy-out of the client's share of ownership interests and restrictive covenants.
  • Co-lead counsel in the representation of a large insurance services corporation against a former corporate officer and director who went to an industry competitor and improperly took client's proprietary information and over 30 of its employees with him.  A multi-million dollar settlement was achieved in favor of client after a successful motion practice relative to the competitor's electronic discovery.
  • Lead counsel for a general contractor defending claims against a municipality and a developer for alleged construction defects in a multi-million dollar condominium conversion.

Industries Served

  • Automotive Manufacturing & Dealerships
  • Banking
  • Broadcast Media
  • Construction
  • Energy & Utilities
  • Entrepreneur/Start-Up Companies
  • Financial Services
  • Food/Beverage Services & Hospitality
  • Healthcare
  • Information Technology
  • Leasing Companies
  • Manufacturing & Distribution
  • Mortgage Companies
  • Not-For-Profit Organizations
  • Pharmaceuticals
  • Retail
  • Service Companies
  • Specialty Finance
  • Telecommunications
  • Trading Companies




      • Contact Information
      • Bar Admissions
        • Illinois  (1997)
      • Education
        • Chicago-Kent College of Law, J.D., 1997
        • Loyola University Chicago, B.A., cum laude, 1994
        • King's College of London, Study Abroad, 1992
      • Court Admissions
        • U.S. District Court for the Northern District of Illinois, Trial Bar 
        • U.S. District Court for the Eastern District of Wisconsin 

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