Yes, if you use it as a trademark, in addition to using it as a domain name.
Trademark use: We are EXAMPLE.COM
Trademark use: We are EXAMPLE
Not trademark use: Visit us at EXAMPLE.COM
TTABlog on case about someone who didn’t read this post.

Dear AOL:
I’m the member of the family that usually buy the tickets online using 777film.com. Today my wife attempted to. She typed in 777films.com by mistake, and assumed she was on your site. Apparently you don’t own 777films.com. She was actually confused. And a little annoyed at you.
Sincerely,
A Customer

WIPO: DNS Developments Feed Growing Cybersquatting Concerns:

Last year, a record 2,156 complaints alleging cybersquatting – or the abusive registration of trademarks on the Internet – were filed with the World Intellectual Property Organization’s (WIPO) Arbitration and Mediation Center (Center), representing an 18% increase over 2006 and a 48% increase over 2005 in the