Peter Sullivan

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  • Family Law, Divorce, Arbitration & Mediation ...
  • Illinois, New York
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Biography

Attorney Peter Sullivan is a quiet fighter. He grew up on some pretty mean streets but, since being accepted into private high school in Jersey City, he has had a passion for intellectual pursuits, including languages, arts, world history and the law.

He joined the business of the law as a proofreader for some of the best antitrust lawyers in America. Based on his insatiable engagement with content, he graduated to paralegal (without the need for paralegal training) and wound up managing their antitrust litigation office.

Needing to be convinced that lawyers can actually do good, before attending law school Peter joined the New York City Legal Aid Society's unit handling child abuse and neglect. There, with appropriate urgency, Peter absorbed the practice and concepts of the law and specialized in appellate brief writing. He continued to work full-time during his years in law school. He graduated with honors. He then joined a premiere Park Avenue white collar crime litigation department, where he involved himself in securities and accounting fraud litigation -- big and small, government investigations, and corporate and contractual disputes.

Again changing direction, Peter started handling lawyers' divorces and custody battles. He soon joined a leading Manhattan matrimonial law firm and then formed a partnership with his family law colleagues.

Peter came to Chicago to marry a former New Yorker. In Chicago, he joined the matrimonial firm Berger Schatz, where he was later elevated to partner.

Changing direction again, in 2020 Peter launched Attorney Sullivan & Associates, where he continues to practice. The firm is dedicated to widening the scope of knowledge and understanding brought to family law practice. The goal, as far as possible, is perfection and avoiding solutions on issues that could create other issues for a client.

Peter perceives his career as an arc, going forward while changing paths to be as useful to others as possible.

Practice Areas
Family Law
Child Custody, Child Support, Father's Rights, Guardianship & Conservatorship, Paternity, Prenups & Marital Agreements, Restraining Orders, Same Sex Family Law
Divorce
Collaborative Law, Contested Divorce, Property Division, Same Sex Divorce, Spousal Support & Alimony, Uncontested Divorce
Arbitration & Mediation
Family - Arbitration/Mediation
Appeals & Appellate
Civil Appeals
Elder Law
Domestic Violence
Domestic Violence Criminal Defense, Domestic Violence Restraining Orders, Victims Rights
Jurisdictions Admitted to Practice
Illinois
Supreme Court of Illinois
ID Number: 6288888
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New York
New York State Office of Court Administration
ID Number: 2163038
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Languages
  • English: Spoken, Written
Education
Fordham University School of Law
J.D. (1986)
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Honors: Dean's List
Activities: Staff, Fordham Law Review
Fordham University School of Law Logo
University of Massachusetts - Amherst
B.A. (1977) | Comparative Literature
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Honors: With honors
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Awards
Super Lawyer 2012-2024
Super Lawyers
AV-rating
Martindale-Hubbell
Professional Associations
Illinois Appellate Lawyers Association
Member
- Current
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American Bar Association
Member
- Current
Activities: Family Law Section, Real Property Trust and Estates Section
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Chicago Bar Association
Member
- Current
Activities: Family Law Committee, Mental Health Law Committee
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Illinois State Bar  # 6288888
Member
- Current
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Illinois Bar Association
Member
- Current
Activities: Family Law Section, Elder Law Section
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New York State Bar Association
Member
- Current
Activities: Family Law Section
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New York City Bar Association
Member
- Current
Activities: Matrimonial Law Committee
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New York State Bar  # 2163038
Member
- Current
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Publications
Certifications
Advanced Mediation Training
American Academy of Matrimonial Lawyers
Basic Divorce Mediation Training
Mosten Mediation Training, Los Angeles CA
Websites & Blogs
Website
Contact & Map
2821 N Halsted St
#1
Chicago, IL 60657
Telephone: (312) 725-9724
Monday: 9 AM - 5:30 PM
Tuesday: 9 AM - 5:30 PM
Wednesday: 9 AM - 5:30 PM
Thursday: 9 AM - 5:30 PM
Friday: 9 AM - 5:30 PM
Saturday: Closed (Today)
Sunday: Closed
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