Swatch (owners of the Hamilton watch line) were very happy with their product placement in Men in Black 3. But they are not happy about another company selling a copy of the watch, and claiming it appeared in the film.
The allegations of trademark infringement, unfair competition and false advertising were lodged against Stuhrling Original LLC in New York federal court last week.
[Source: Hollywood Reporter]
The original watch is a Hamilton Ventura, which Elvis wore in the movie Blue Hawaii. It has also appeared in Mad Men. Read more about the Hamilton Watch Company.