Although trademarks, copyrights, patents, and trade secrets all concern intangible property rights and overlap to some extent, they differ from each other significantly.

Perhaps you consider ONE LOVE in relation to various trademarks registered or used for jewelry (Class 14), bags (Class 18), clothing (Class 25), or entertainment services (Class 41).

It may seem obvious that a brand owner can claim rights in a trademark only when it has used the mark in a "lawful" manner.

Inaccurate information in a copyright application, though sometimes correctable, may end up costing a pretty penny.

The Trademark Trial and Appeal Board (TTAB) rarely reverses an Examining Attorney’s refusal to register a mark on likelihood of confusion grounds. In this case, the TTAB did just that.

Now, a precedential decision by the Trademark Trial and Appeal Board (TTAB) is instructive as to the reverse—how to cancel a U.S. registration for an abandoned trademark.

The Trademark Trial and Appeal Board (TTAB) has issued a precedential opinion that an Amazon Affiliate Store is a "referral service," not a "retail store service" for purposes of a service mark application.

At one time, retail store activities were not considered "services" when the store sold only its own goods.

As previously reported in our Trademark Law Alert -- The Eye-Catching F-Word Failed to Function as a Trademark, the Trademark Trial and Appeal Board (TTAB) issued a precedential decision in 2022...

According to the U.S. Supreme Court, if you are located outside of the U.S., a U.S. court cannot enjoin your sales in other countries, or impose damages...

A U.S. trademark application may be found to be void from the beginning if it is filed in the wrong name.

You might think of various reasons why a company owned by a porn star might be prevented from registering her pseudonym GIGI DIOR for services that include "personal appearances by a porn star"...

Most brand owners are eager to use the registration symbol ® in connection with their trademarks as soon as possible. However, using that symbol beyond the lifespan of a registration, may open the brand to allegations of false advertising.

Companies have a long history of taking a humous approach to advertising for April Fools' Day. The following selection of announcements of imaginary products and services came from the companies themselves.

The U.S. Patent and Trademark Office (USPTO) has issued a final patent rule amending the Rules of Practice in Patent Cases to require that patent applicants and patent owners...

This article is about a 2024 decision by the U.S. Court of Appeals for the First Circuit arising out of the "trial of the century" in 1892...

To be registrable, a trademark must identify and distinguish an applicant's goods from those of others and indicate the source of those goods. When an Examining Attorney or an opposer challenges...

In order to succeed in challenging the registration of a service mark on the ground that it is likely to cause confusion with your identical or similar mark...

If a mark is in active use only by your operating company, but a registration of the mark is owned by its subsidiary, special steps may be necessary to register that mark...

The Trademark Trial and Appeal Board found no likelihood of confusion between PRIM and HOUSE OF PRIM marks for home organization services, giving substantial weight to a settlement agreement where parties agreed the marks were not confusingly similar.