The IP Lawyers: the premier portal to recommended Intellectual Property lawyers, practice area news and legal insights:

Intellectual property (IP) refers to creations of the mind, such as inventions; literary and artistic works; designs; and symbols, names and images used in commerce. IP is protected in law by, for example, patents, copyright and trademarks, which enable people to earn recognition or financial benefit from what they invent or create. By striking the right balance between the interests of innovators and the wider public interest, the IP system aims to foster an environment in which creativity and innovation can flourish.

We assist directors, in-house counsel, law firms and individuals by providing a concise and up-to-date guide to leading IP litigation, patent, trademark and copyright lawyers in the field. Our research covers all 50 states, with featured attorneys being selected based on the results of peer nominations, in-depth research, awards and client feedback. Our selection process is independent and it is not possible to request entry into the guide.

Featured Attorney

Latest News & Legal Insights

Assignor Estoppel: When Can A Party Challenge A Patent They Sold?

In patent law, the doctrine of “assignor estoppel” refers to barring a party who assigned a patent from later challenging the validity of the patent. Assignor estoppel is an equitable doctrine that has been relied upon in order to prevent someone who has assigned the rights to a patent (or patent application) from later contending that what was assigned was, in fact, worthless. The doctrine has been applied to not just inventors, but also […]