About

Oleg N. Feldman focuses his legal practice on guiding business owners, licensed professionals, and families through complex legal decisions. His work centers on protecting assets, planning for growth, and preparing for future transitions. Clients rely on his clear guidance for estate planning, business law matters, and long-term strategies built to reduce risk.

Oleg earned his Bachelor of Business Administration, summa cum laude, from the University of Wisconsin–Milwaukee in 1998. He later completed his Juris Doctor, cum laude, from Marquette University Law School in 2005. His academic background reflects a strong foundation in both business principles and legal analysis.

Oleg brings a broad perspective to legal planning through his dual experience as a Certified Public Accountant and attorney. This combination allows him to assess legal decisions alongside financial consequences, helping clients make informed choices that align with their business goals, family needs, and long-term asset protection plans.

Oleg advises clients on estate planning matters such as wills, trusts, health care directives, and estate administration. He also assists with guardianship and conservatorship planning, helping families prepare for unexpected events while preserving control, clarity, and continuity across generations.

Oleg regularly represents clients in business law matters, including business formation, contracts, mergers and acquisitions, partnership and shareholder disputes, and succession planning. His approach emphasizes practical solutions that support stability, reduce conflict, and allow businesses to grow or transition with confidence.

Oleg has provided professional services for more than a decade, working with sophisticated clients through large accounting firms, law firms, and independent legal practices. His work is shaped by a relationship-focused mindset that values trust, responsiveness, and clear communication throughout every stage of representation.

Oleg N. Feldman is licensed to practice law in Illinois and Wisconsin and is a member of the Wisconsin and Illinois State Bar Associations. His professional recognition includes Rising Start Super Lawyers (2015). Clients value his direct approach and commitment to delivering thoughtful, effective legal guidance.

Law Office Affiliations

  • Founder, Lexern Law Group, Ltd.
  • Member, Illinois State Bar Association
  • Member, State Bar of Wisconsin

Licensed State

  • Illinois
  • Wisconsin

Education

  • Marquette University Law School
    Juris Doctor (JD)
  • University of Wisconsin–Milwaukee
    Bachelor of Business Administration (BBA)

Awards & Badges


Illinois State Bar AssociationWisconsin Bar Association
  • Banking & Finance
  • Business Litigation
  • Contracts And Agreements
  • Franchise, Dealership & Partnership
  • Limited Liability Company (LLC)
  • Mergers And Acquisitions
  • Guardianship
  • Probate
  • Trusts
  • Wills And Living Wills

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