I recently attended an event at which the PTO had a children’s booth.  Highlights from the Oct. 2012 Trademark Activity Book we received:

The PTO has Kleenex and Band-Aid’s back against the threat of genericity.

The PTO is not worried about self-dilution the way Sara Stadler is.  (See Sara K. Stadler, The Wages of Ubiquity in Trademark Law.)