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  • Colorado
  • Mr. Greenstein joined the firm in 1992 and is a shareholder and director of the law firm. Before becoming a shareholder, Mr. Greenstein worked as an associate with the firm and as an associate at other Colorado law firms. Mr. Greenstein has been actively practicing law in Colorado since 1987. His 32+ year legal career has been focused primarily on family law, including divorce, prenuptial (premarital) agreements, cohabitation agreements, child custody and allocation of parental responsibility, child support, mediation, arbitration, and related matters.
  • St. John's University School of Law. Jamaica, New York J.D. conferred June 1987.
  • City University of New York at Queens College. Flushing, New York Bachelor of Arts, cum laude. Double major: Communications and political science.
  • Honors and Awards:  Member, National Political Science Honor Society.


  • Member, Colorado Bar Association and Boulder County Bar Association
  • Member, City of Westminster Board of Adjustment and Appeals (Zoning and Sign Code) 1996-1998


  • "Divorce Issues in Real Estate Practice," Present seminar for various Boards of REALTORS®, title companies, and Certified Divorce Real Estate Specialist certification.
  • Real Estate Divorce Specialists Training Course

  • "Testifying at Trial and Depositions,"  Boulder Association of REALTORS® Affiliates Committee,  March, 1995.
  • "What Every School Employee Should Know About Children of Divorced Parents," Seminars presented to teachers, principals, and staff to assist schools with handling issues concerning child custody, parenting time, and access to children's school records.
  • In re the Marriage of Crowder, 77 P.3d 858 (Colo. App. 2003).
  • National Casualty Co. v. Great Southwest Fire Ins. Co.,833 P.2d 741 (Colo. 1992).
  • McLarty v. United States, 784 F. Supp. 1401 (D. Minn. 1991), McLarty v. United States, 741 F. Supp. 751 (D. Minn. 1990).
  • Rennert-Diana & Co., Inc. v. Costarino, 513 N.Y.S. 2d 190 (App. Div. 1987).


  • "Child Support Continuation for Disabled Children," Colorado Lawyer, December 2011.
  • "Oral Agreements in Colorado in Colorado Divorce Cases," Trial Talk, October 1995.
  • "Blending Spousal Tort Claims and Colorado Divorce Cases," Colorado Lawyer, May 1996.
  • "Avoiding Traps in Litigation With Suspended or Dissolved Colorado Corporations,"  Trial Talk, December 1993.
  • "The Litigator's Guide to Unfair Competition in Colorado," Colorado Lawyer, January 1992.
  • Colorado divorce lawyer Gregg Greenstein has over 32 years of experience assisting clients with all aspects of divorce and family law. Gregg works closely with clients to achieve their particular goal in a cost-effective yet decisive manner, providing counsel in resolving all issues concerning the divorce process.

    We handle a wide range of family law issues including divorce, legal separation, prenuptial and postnuptial agreements, child custody and visitation (parental responsibility and parenting time), parental kidnapping, abduction and cult recovery, cohabitation agreements, mediation, arbitration, step parent and kinship adoption, restraining orders and protection orders, same sex couples rights, relocation cases, grandparent visitation and rights, and appeals.


    Common Law Marriage in Colorado

    Co-Author: Brittaney McGinnins How Do You Get Married in Colorado? There are two ways in Colorado to be married: common law marriage and by obtaining a marriage license certificate. Same sex couples or heterosexual couples can be married by license or they can be common law married. Common law marriage is an often misunderstood concept.

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    Teenagers and Parenting Time (Visitation)

    Parenting Time (Visitation) Parenting time (visitation) orders and agreements in parenting plans or stipulations are sometimes made long before children are teenagers. Or, sometimes parenting time (visitation) orders and agreements are made when children are teenagers, but things change after the divorce or custody case is over – and those orders just don’t work any

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    Who Gets to Claim Child on Taxes After a Divorce?

    Claiming the Dependency Exemption On Your Tax Returns After A Divorce Colorado has a law that explains how the dependency exemption for a minor child will be handled, after a divorce decree (dissolution of marriage) is entered. The law is contained in Colorado Revised Statute C.R.S. Section 14-10-115. The law says: (12) Dependency exemptions. Unless

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    Prenuptial and Postnuptial Agreements

    Colorado passed new laws concerning marital agreements and pre-marital agreements, effective for agreements signed on or after July 1, 2014. The new law is called the “Uniform Premarital and Marital Agreements Act,” and radically changes the prior law concerning prenuptial and postnuptial agreements. This article highlights some of the more significant changes from the prior

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    Colorado’s New Maintenance (Alimony) Formula

    Introduction There’s a big change coming to Colorado law in 2014 concerning maintenance (sometimes called “spousal support” or “alimony”). After decades of having maintenance determined on a case-by-case basis determined by the facts in each situation, the new maintenance law will allow judges to apply a maintenance formula when awarding maintenance for periods of time

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    Civil Unions in Colorado

    Effective May 1, 2013, Colorado is now one of several states in the United States that recognizes “civil unions.” Colorado’s civil union law allows two eligible persons to receive the same benefits and protections that married spouses have under Colorado law. A partner in a civil union is a person who has established a “civil

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    Hiring a Divorce Lawyer

    Divorce Lawyer Handling Divorce Cases on a Statewide Basis If you were suffering from a cardiac problem and needed a cardiologist to help with an ongoing process, would you choose the one closest to your house simply because it’s easy to get to his or her office, or the one who comes highly recommended and

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    Divorce & College Expenses

    Divorced Parents and Child College Expenses Paying for college tuition, books, fees and room and board expenses can cause financial hardship for all parents. When parents are divorced or going through the divorce process, paying for college expenses can be a source of major controversy. However, Colorado child support law is clear concerning divorced parents’

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    Restraining Orders – A Basic Guide

    Colorado law allows for Courts to issue temporary and permanent civil restraining orders to prevent harm. Restraining orders are referred to as “protection orders” in Colorado. Restraining orders (also called “protection orders” in this article) can be issued quickly, inexpensively, and without notice to the person against whom it is issued. Once the judge signs

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    Child Support, Spending and Extracurricular Expenses

    Where Does All That Money Go? Child Support, Spending and Extracurricular Expenses Colorado law is not specific concerning how a parent receiving child support is supposed to use the money. Child support is generally determined by a formula. The formula is supposed to calculate child support based upon the parents’ combined adjusted gross income estimated

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    Gregg A. Greenstein is a shareholder in the law firm of Frascona, Joiner, Goodman and Greenstein, P.C., a Colorado law firm. His practice areas include Real EstateLitigationFamily LawDivorce, and AdoptionContact Gregg Greenstein.

    Disclaimer — Content is general information only. Information is not provided as advice for a specific matter, nor does its publication create an attorney-client relationship. Laws vary from one state to another. For legal advice on a specific matter, consult an attorney.

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