Answer

New York Public Library is a Patent and Trademark Depository Library, and has a rich collection of patent and trademark resources. Take a look at their research guide on Patents.

In support of the entrepreneurship programs at NYU, there is some Intellectual Property information included on the NYU Library's Startups & Entrepreneurship Research guide

The US Patent & Trademark Office (USPTO),  European Patent Office (EPO), and World Intellectual Property Organization (WIPO) all have resources available.