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Family Lawyer in NY : Paternity Suit Guide

Author : Donghoo Sohn, Esq.



A paternity suit is a legal action to establish or challenge the biological relationship between a parent and child. In New York, paternity cases involve significant personal, financial, and legal consequences for all parties involved. Understanding the process, your rights, and the relevant statutes can help you navigate this complex family law matter with confidence. A family lawyer in NY can guide you through every step of the paternity suit process.

Contents


1. Family Lawyer in NY : Understanding Paternity Suits


Paternity suits in New York are governed by the Family Court Act and the Domestic Relations Law. These cases determine legal parentage, which establishes rights and responsibilities, including custody, visitation, child support, and inheritance. The establishment of paternity can occur through voluntary acknowledgment, genetic testing, or court order. A family lawyer in NY will help you understand whether you are seeking to establish paternity, contest it, or modify existing support obligations.



Legal Definition and Scope


Paternity refers to the legal recognition of a man as the father of a child. In New York, paternity can be established for children born to unmarried parents, and the process creates a legally binding parent-child relationship. Once paternity is established, the father may be required to pay child support, and he gains rights to custody and visitation. The mother may seek child support from the alleged father, and the child gains inheritance rights and access to the father's medical history. A family lawyer in NY can explain how paternity establishment affects your specific situation.



Differences from Divorce and Custody Cases


While paternity suits focus specifically on establishing biological parentage and support obligations, they differ from divorce cases, which dissolve a legal marriage. Paternity cases do not require the parties to have been married, though they may involve custody and visitation disputes similar to those in divorce proceedings. Additionally, paternity cases often address financial support through child support orders, which may be modified over time based on changed circumstances. Understanding these distinctions helps clarify the scope of your case and the remedies available to you.



2. Family Lawyer in NY : New York Court Procedures and Local Jurisdiction


Paternity suits in New York are filed in Family Court, which has exclusive jurisdiction over family law matters in most counties. The specific court handling your case depends on the county where the child resides or where the parties reside. New York Family Court operates under the Unified Court System and follows strict procedural rules and timelines. A family lawyer in NY will ensure your case is filed in the correct court and that all procedural requirements are met.



Family Court Structure and Jurisdiction


New York has multiple Family Courts located throughout the state, including courts in each county. The New York County Family Court in Manhattan, Kings County Family Court in Brooklyn, and Queens County Family Court serve their respective regions. Each court follows the same statutory framework under New York Family Court Act but may have local rules and administrative practices. The court that has jurisdiction over your paternity case is typically determined by where the child lives, where the alleged father lives, or where the parties agree to litigate. Your family lawyer in NY will determine proper jurisdiction and file your petition in the appropriate court to ensure the case proceeds efficiently.



Filing Requirements and Timelines


To initiate a paternity suit in New York Family Court, you must file a Petition to Establish Paternity along with supporting documentation. The petition must include the child's name, date of birth, the alleged father's name, and the basis for seeking paternity establishment. New York law requires service of the petition on the respondent, and the respondent has an opportunity to respond within a specified timeframe. Court hearings are typically scheduled within 30 to 60 days of filing, though this may vary by county and court workload. A family lawyer in NY will prepare all necessary documents and ensure compliance with filing deadlines and procedural rules.



3. Family Lawyer in NY : Genetic Testing and Evidence


Genetic testing plays a central role in most New York paternity cases, providing scientific evidence of biological parentage. Under New York law, a court may order genetic testing if paternity is disputed, and the results are admissible as evidence. The cost of genetic testing may be allocated between the parties or assigned to one party by the court. A family lawyer in NY will advise you on when genetic testing is appropriate and how to present or challenge test results in court.



Dna Testing Standards and Admissibility


New York recognizes DNA testing as the gold standard for establishing paternity. Testing is conducted by certified laboratories and must meet strict accuracy standards under state regulations. A DNA test showing a 99 percent or higher probability of paternity is typically considered conclusive evidence in New York courts. If the alleged father refuses to submit to testing, the court may draw an adverse inference and find paternity based on other evidence. Your family lawyer in NY will explain the scientific basis for DNA evidence and how courts interpret test results in your specific case.



Alternative Evidence When Testing Is Unavailable


In cases where genetic testing is not possible or is inconclusive, New York courts may consider other evidence to establish paternity. This evidence may include testimony from the mother and alleged father, evidence of cohabitation and a romantic relationship, evidence that the alleged father held the child out as his own, and financial support provided to the child. Courts may also consider the child's birth certificate, hospital records, and statements made by the parties. A family lawyer in NY can gather and present compelling alternative evidence if genetic testing is not available or if you need to strengthen your case with corroborating evidence.



4. Family Lawyer in NY : Child Support and Related Financial Obligations


Establishing paternity in New York automatically triggers the potential for child support obligations. The non-custodial parent is generally required to pay child support based on statutory guidelines that consider both parents' incomes, the number of children, and custody arrangements. Child support orders may also include provisions for health insurance, medical expenses, and educational costs. Understanding how child support is calculated and modified is essential when pursuing a paternity suit. A family lawyer in NY will help you understand your financial obligations or rights regarding child support.



Child Support Calculation under New York Guidelines


New York uses the Income Shares Model to calculate child support, which is based on the combined parental income up to a statutory cap. The guideline percentage for one child is 17 percent of combined parental income, with higher percentages for multiple children. The court may deviate from guideline support if the parties agree, if deviation is in the best interest of the child, or if the combined income exceeds the statutory cap. Additionally, child support may include add-ons for health insurance premiums, unreimbursed medical expenses, and childcare costs. Your family lawyer in NY will calculate child support obligations using current income information and ensure the order reflects your financial circumstances.



Modification and Enforcement of Support Orders


Child support orders in New York can be modified if there is a substantial and continuing change in circumstances, such as job loss, significant income increase, or change in custody. Either parent may request modification by filing a petition with the Family Court. Additionally, if child support is not paid, the other parent may seek enforcement through wage garnishment, income withholding, or contempt proceedings. The New York Child Support Enforcement Unit may also assist in collecting unpaid support. A family lawyer in NY can help you seek modification of support orders or enforce existing orders if payments are not being made. You may also explore related matters such as an alimony lawsuit if spousal support is relevant to your situation.


19 Feb, 2026


The information provided in this article is for general informational purposes only and does not constitute legal advice. Reading or relying on the contents of this article does not create an attorney-client relationship with our firm. For advice regarding your specific situation, please consult a qualified attorney licensed in your jurisdiction.
Certain informational content on this website may utilize technology-assisted drafting tools and is subject to attorney review.

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