DeRossi Law Firm is a full-service Long Island-based civil litigation and transactional law firm specializing in divorce and family law.

We handle all aspects of matrimonial law including divorce, separation, custody/visitation, spousal maintenance, paternity, domestic violence, juvenile delinquency, child abuse and neglect, relocation, prenuptial agreements, postnuptial agreements, parental alienation, orders of protection, mother's rights, father's rights, grandparent's rights, mediation, and CPS/ACS cases.

We are devoted to providing individualized legal services to our clients throughout Long Island, Brooklyn, Queens, Staten Island, Bronx, and New York City.  We understand that every client is unique, and will work closely with you to help you understand the law and its impact on your particular circumstances.  We are committed to helping clients through each stage of development of a legal issue.

Our primary mission is client satisfaction.  We make it our goal to ensure that our clients' legal problems are resolved in a timely and professional manner with an emphasis on personal communication and compassion.  We try to make your experience with us as stress-free as possible without adding any undue stress during an already difficult time.

As a small firm, we are able to offer each client personal attention throughout each phase of the legal process.  We treat every client with integrity and respect for their individual needs, goals, and objectives.  We identify clients' goals and make sure we fully understand and identify the important legal issues involved in each case and work as a team with our clients to develop effective legal strategies and objective.



We can answer your questions and simplify the process and protect your rights and the best interest of your children when dealing with specific and related issues of custody, visitation, child support, divorce, maintenance, property distribution and pension rights. Our philosophy is to avoid lengthy and costly litigation.  We seek to streamline the process to focus on the merits, act in the best interest of the children and to put the client's interests first.    


We have represented individuals and businesses in numerous commercial disputes.  These cases have included claims for breach of contract, breach of fiduciary duties, unfair competition, misrepresentation, fraud, theft, and violation of statutory and regulatory requirements.  In appropriate cases, we have accepted commercial disputes on a contingency fee basis. 


The firm routinely assists clients in selecting and setting up entities for their businesses, such as partnerships, limited partnerships, limited liability partnerships, 'C' and 'S' corporations, and limited liability companies.


“Not only are you a great attorney, you are an extraordinary person.  No matter what happened, I always knew you had my back and I had total confidence in your representation and advice.“ 





(516) 280-6900
(516) 307-1693




1565 Franklin Avenue, Suite 301

Mineola, New York 11501

© 2018 by DEROSSI LAW.