Atty. Jillian E. Gross
Jillian E. Gross, a founder and partner of the firm, has been practicing matrimonial law exclusively since October 2006.
Divorce Litigation & More Attorney · Serving New York, NY · 23+ Years Experience
Profile Summary
About Jillian E. Gross at a Glance
Jillian E. Gross is a Founder and Partner based in New York, New York, practicing at Mosberg Sharma Stambleck Gross LLP. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on divorce, child custody, family law, child support, and alimony. Admitted to practice in New Jersey (2003), New York (2004), and United States District Court for the Southern District of New York (2005). Educated at Brooklyn Law School (J.D., 2003) and Brandeis University (B.A., 2000). Serves clients in New York, NY and the surrounding metropolitan area.
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About Jillian E. Gross
- Jillian E. Gross, a founder and partner of the firm, has been practicing matrimonial law exclusively since October 2006
- Jillian has considerable experience advising clients in all aspects of matrimonial and family law, including equitable distribution of assets, spousal and child support issues, custody and access, and pre- and post-nuptial agreements
- Jillian represents clients with a broad range of backgrounds and varying net worths
- She understands that there is no one-size-fits-all approach for the many issues that bring people to her office
- Jillian appreciates that being a matrimonial lawyer is about much more than practicing law
- Jillian makes a point to understand all aspects of her clients’ lives—from business and financial issues to parenting and family-related matters—in order to tailor her approach to achieve the best result in each case
- That result might be achieved through litigation or settlement, or a combination of the two
- For Jillian, no two clients are alike
- nor is her approach for them
- Jillian relates to her clients on a personal and professional level
- She is attentive, responsive, and treats each client with respect and care
- Jillian’s clients often reach out to her years after the conclusion of the case to thank her for supporting them through some of their most difficult times, and getting them to a new phase in their lives
- Before her career in matrimonial law, Jillian was an Assistant District Attorney in the Appeals Bureau of the Bronx County District Attorney’s Office
- She regularly researched, wrote, and argued appellate briefs before the Appellate Division, First Department
- Jillian has also argued before the New York State Court of Appeals
- Jillian has been named a “Rising Star” in family law by New York Super Lawyers, and also has been recognized by Top Attorneys, Attorneys of Distinction, Top Lawyers and Lawyer of the Year
- Most recently, Jillian was ranked by Chambers and Partners
- Jillian has lectured at various professional seminars, including to the New York State Bar Association, on the topic of Equitable Distribution and Maintenance
- Jillian is in her second term as Treasurer of the Family Law Section of the New York City Bar Association
- Jillian received her B.A. from Brandeis University, where she graduated cum laude
- In 2003, she graduated from Brooklyn Law School, where she received the prestigious Academic Achievement Scholar award
- Jillian and her husband live in Scarsdale with their two children
- AWARDS 2021 Ranked as Up and Coming by Chambers and Partners 2012-13, 2015-18 Selected to Rising Stars by Super Lawyers New York ASSOCIATIONS 2007-22 New York State Bar Association
Practice Areas Explained
Jillian E. Gross's Areas of Legal Practice
Each practice area below reflects the types of cases Jillian E. Gross handles, with a practical overview of what that area of law involves and how it may apply to your situation in New York.
Divorce in New York
A divorce attorney guides you through property division, spousal support, custody, and the final decree — contested or uncontested.
Jillian E. Gross is one of 50,071 divorce attorneys indexed nationally. Browse divorce attorneys in New York →
Child Custody & Visitation in New York
Jillian E. Gross is one of 30,982 child custody attorneys indexed nationally. Browse child custody attorneys in New York →
Family Law in New York
Family law attorneys handle divorce, child custody, child support, adoption, prenups, and protective orders. Find verified family lawyers near you.
Jillian E. Gross is one of 185,688 family law attorneys indexed nationally. Browse family law attorneys in New York →
Child Support in New York
Jillian E. Gross is one of 24,443 child support attorneys indexed nationally. Browse child support attorneys in New York →
Alimony / Spousal Support in New York
Jillian E. Gross is one of 10,588 alimony attorneys indexed nationally. Browse alimony attorneys in New York →
Jurisdictional Context
Why Local Counsel Matters in New York
Practicing law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in New York are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this venue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.
New York Courts and Legal Process
Choosing a New York-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.
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Professional Profile
Why Clients in New York Choose Jillian E. Gross
Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Jillian E. Gross's practice in the field of divorce, child custody, family law, child support, and alimony.
Decade-Tested Legal Experience
Jillian E. Gross brings 23+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.
Multi-State Bar Admission
Licensed in New Jersey, New York, and United States District Court for the Southern District of New York, Jillian E. Gross can represent clients in cases that span state lines or require counsel in multiple jurisdictions.
Broad Practice Area Coverage
Covering divorce, child custody, and family law, Jillian E. Gross can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.
Local Presence in New York
A New York-based practice means Jillian E. Gross attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.
Case Types
Common Legal Issues Jillian E. Gross Handles in New York
Below is a representative sample of the types of matters Jillian E. Gross has experience with under New York law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.
This list is illustrative, not exhaustive. Contact Jillian E. Gross directly to discuss the specifics of your situation.
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Jillian E. Gross's Practice Areas & Specializations
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