Photo of Michelle O'Neil

Michelle May O'Neil has 27 years’ experience representing small business owners, professionals, and individuals in litigation related to family law matters such as divorce, child custody, and complex property division. Described by one lawyer as "a lethal combination of sweet-and-salty", Ms. O'Neil exudes genuine compassion for her client's difficulties, yet she can be relentless when in pursuit of a client's goals. One judge said of Ms. O'Neil, "She cannot be out-gunned, out-briefed, or out-lawyered!"

Family Law Specialist

Ms. O'Neil became a board-certified family law specialist by the Texas Board of Legal Specialization in 1997 and has maintained her certification since that time. While representing clients in litigation before the trial court is an important part of her practice, Ms. O'Neil also handles appellate matters in the trial court, courts of appeals and Texas Supreme Court. Lawyers frequently consult with Ms. O'Neil on their litigation cases about specialized legal issues requiring particularized attention both at the trial court and appellate levels. This gives her a unique perspective and depth of perception that benefits both her litigation and appellate clients.

Top Lawyers in Texas and America

Ms. O’Neil has been named to the list of Texas SuperLawyers for many years, 2011-2018, a peer-voted honor given to only about 5% of the lawyers in the state of Texas. In 2014-2018, Ms. O'Neil received the special honor of being named by Texas SuperLawyers as one of the Top 50 Women Lawyers in Texas, Top 100 Lawyers in Texas, and Top 100 Lawyers in DFW. She was named one of the Best Lawyers in America for 2016 and received an "A-V" peer review rating by Martindale-Hubbell Legal Directories for the highest quality legal ability and ethical standards.

Author and Speaker

A noted author, Ms. O'Neil released her second book Basics of Texas Divorce Law in November 2010, with a second edition released in 2013, and a third edition expected in 2015.  Her first book, All About Texas Law and Kids, was published in September 2009 by Texas Lawyer Press. In 2012, Ms. O’Neil co-authored the booklets What You Need To Know About Common Law Marriage In Texas and Social Study Evaluations.  The State Bar of Texas and other providers of continuing education for attorneys frequently enlist Ms. O'Neil to provide instruction to attorneys on topics of her expertise in the family law arena.

Often in divorces, a spouse or both spouses may own a closely-held business. While the business itself may not be divisible in the divorce, the value of the business entity as an asset of the marital estate can be an important component to the division. There are several considerations at play when valuing a business entity for divorce purposes.

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Interesting article in Texas Lawyer this week about the effect of online impersonation having growing relevance in Texas family law. People are increasingly impersonating spouses, paramours, and others online out of spite or to gain leverage. In 2009, Texas made it illegal to pretend to be another person online to harass, stalk, or defraud someone. For example, it would be illegal to create a fake website in an ex’s name and provide personal details about sexual acts. The law says a person commits an offense if he or she, without obtaining the person’s consent, uses the name or persona of another person with the intent to harm, defraud, intimidate, or threaten by (1) creating a page on a website or other commercial social networking site, or (2) sending messages through an existing website or social networking site. This offense is a third degree felony, punishable by 2-10 years in prison.

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2018-2019 change represents the new year

The Texas Legislature convenes every two years, with 2019 being one of those. Each session, proposed new laws get introduced that will affect family law in Texas. It is expected that a bill will be introduced to remove no fault divorce and require proof of fault grounds for all Texas divorce and extend the waiting period to finalize a divorce (currently 60 days). Neither of these proposals are expected to gain much traction. Reform of the child protective services system will, however, be a hot topic for the legislative session given all of the litigation there has been criticizing how CPS handles matters ineffectively.


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A client recently asked about divorcing her husband who was pending felony criminal charges. Texas is generally a no-fault divorce state. This means that one spouse may seek and be granted a divorce based solely on the irreparable breakdown in the marriage relationship without showing anything else. However, Texas allows for a fault-based divorce decreed

Reports surfaced today that pro-NBA player Blake Griffin has reached a settlement deal with his ex-girlfriend Brynn Cameron to pay child support of $258,000 PER MONTH for their two children. (See reports here from TotalProSports and here from TMZ.) The lawsuit, pending in California, alleges that Griffin ousted Cameron and the kids from his

Subsection (a) of Texas Family Code section 156.102, entitled “Modification of Exclusive Right to Determine Primary Residence of Child Within One Year of Order,” provides:

“If a suit seeking to modify the designation of the person having the exclusive right to designate the primary residence of a child is filed not later than one year