Find the latest news stories on trademark infringement claims, trials, appeals and verdicts.

Oct 7, 2011

Minnesota-based Fortune 500 company 3M recently filed a lawsuit against the New York City-based Unemployed Philosophers Guild, alleging some of the company's novelty products infringe on 3M's trademarked Post-It brand of sticky notes.

3M introduced Post-It Notes in 1980, which according to the company's website "created a whole new category in the marketplace and changed people's communication and organization behavior forever."

Five years ago, Stephan Shaw and his brother, David, entered a new product into this marketplace category when they began s

Oct 6, 2011

Mark Tughan, owner of four comedy clubs in the U.K., has filed a trademark infringement claim in British Patents County Court, alleging the name of Twentieth Century Fox's hit U.S.

Oct 4, 2011

Youngblood Timepieces recently filed a trademark infringement lawsuit against Fossil Inc., alleging the Fossil subsidiary Diesel is selling watches in the United States and the United Kingdom using the Youngblood name.

In a press release announcing the lawsuit, Youngblood said it has also named a number of retailers as co-defendants, including Macy's, Sears, Urban Outfitters and

Describing itself as an "up and coming fashion watch line based in Oakland, California," Youngblood said it has outsold Fossil since launching in 2008, and now the longer-est

Oct 3, 2011

In a recently filed trademark infringement lawsuit, the website contends that a new Facebook feature called Timeline will confuse users and compromise the branding of the Timelines site. describes itself as a website enabling users to "collaboratively record, discover and share history" by creating multimedia timelines.

Sep 30, 2011

A judge in Illinois has ruled that the trademark infringement case between social media website Facebook and Teachbook, a social network for teachers, can proceed.

Facebook filed the lawsuit in August 2010, alleging that the name Teachbook is too similar to Facebook, especially because Teachbook describes itself as an alternative networking site to Facebook.

Teachbook sought to have the case dismissed on grounds that its name only shares the word "book" with Facebook, and this word is too common