Miriam Cooper & Helena Trachtenberg

Miriam Cooper & Helena Trachtenberg

Cooper Trachtenberg Law Group
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Cooper Trachtenberg Law Group, LLC
Collaborative Divorce, Mediation & Real Estate Attorneys | Chicago, Illinois
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Cooper Trachtenberg Law Group, LLC is a Chicagoland-based law firm with more than four decades of experience representing clients in family law and real estate matters, including collaborative divorce, mediation, and complex asset division involving real estate holdings.

The firm serves clients throughout Cook, DuPage, Lake, and McHenry Counties, including Rolling Meadows, Arlington Heights, and Buffalo Grove.

Attorneys Miriam Cooper and Helena Trachtenberg focus on resolving disputes through mediation, negotiated settlements, and collaborative divorce, while also providing representation in traditional litigated matters when necessary.

Their combined experience in both family law and real estate law provides clients with guidance in matters involving residential and investment properties, helping avoid costly mistakes and financial exposure during divorce proceedings.
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Mediation & Collaborative Approach

Miriam Cooper and Helena Trachtenberg handle matters with sensitivity, professionalism, and a focus on peaceful resolution.

They have served as both:
• Mediators
• Legal counsel in mediation matters

This dual experience provides a comprehensive understanding of the mediation process and allows them to:
• Facilitate efficient and fair resolutions
• Prioritize client interests
• Minimize legal expenses
• Ensure each party’s voice is heard

Miriam Cooper is a Fellow Collaborative Divorce lawyer and focuses on resolving disputes without court intervention.
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Areas of Practice

Divorce & Family Law

  • Collaborative divorce
  • Divorce mediation
  • Negotiated settlements
  • Traditional litigated divorce
  • Legal separation
  • Post-divorce matters
  • Child custody
  • Parenting time / visitation
  • Maintenance
  • Paternity
  • Support modification

Real Estate & Asset-Related Matters

  • Division of residential real estate
  • Investment property disputes
  • Real estate transactions related to divorce
  • Financial structuring and asset allocation

Credentials & Affiliations

  • Illinois State Bar Association
  • Illinois Real Estate Lawyers’ Association
  • Northwest Suburban Bar Association, Matrimonial Law Committee
  • American Academy of Matrimonial Lawyers (Fellow – Helena Trachtenberg)
  • Chicago Bar Association
  • Lake County Bar Association
  • Florida Bar Association (Helena Trachtenberg)

Certifications & Training, Miriam Cooper

  • Mediator, Circuit Court of Cook County
  • Collaborative Divorce Law Practitioner, Collaborative Divorce Illinois
  • Mediation Training, Northwestern University

Certifications & Training, Helena Trachtenberg

  • Mediation Skills Training, Northwestern University (2019)

Education, Miriam Cooper

  • The John Marshall Law School (now University of Illinois Chicago School of Law)
  • Northwestern University (Mediation Training)

Education, Helena Trachtenberg

  • University of Miami School of Law, J.D., 2010
  • University of Illinois at Urbana-Champaign, B.S., 2007

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