Your best interests. Our best thinking.

About our firm

Jaspan Schlesinger LLP is one of Long Island’s oldest and largest full-service law firms. Innovative yet practical and responsive, we’re the trusted partner clients count on to help them solve real-world problems—locally, nationally and globally—and to proactively help prevent problems from happening in the first place.

From individuals and families to entities ranging from small start-up companies to international conglomerates, financial institutions, school districts and municipalities, and not-for-profit organizations, there is no client we cannot service. We leverage our breadth and depth of experience and diverse team of professionals to deliver the thinking, resources, and customized solutions needed to help each client make smart decisions about what matters most to them.

Attorney Spotlight

Jillian L. McNeil


Jillian L. McNeil has extensive experience representing clients in all phases of litigation, trials, arbitrations and appeals. She focuses her practice on complex commercial cases before federal and state courts, including matters involving contract disputes, misappropriation of trade secrets and proprietary information, tortious interference with contractual relations, unfair trade practices, abuse of process, malicious prosecution, and defamation. Jillian has also represented both plaintiffs and defendants in lawsuits alleging harassment and retaliation, civil rights violations, and claims under the False Claims Act, Racketeer Influenced and Corrupt Organizations (RICO) Act, Trafficking Victims Protection Act, and Dodd Frank Act.


The novel coronavirus (COVID-19) pandemic has brought uncertainty and upheaval to communities and businesses across the country, and we understand that our clients need us now more than ever. We have launched the Coronavirus Response Team, a group of attorneys from across our many practice groups who are working around the clock to assist clients confronting COVID-19 related problems. Click here to read more about our Team.

We have also launched the COVID-19 Resource Center, which includes up-to-the-minute updates on changes in the law, and resources for employers, employees, businesses, school districts, libraries, local governments and individuals.

Click Here to Visit the COVID-19 Resource Center