A recent Court of Appeals for the Federal Circuit case sheds light on two little-known trademark doctrines: the doctrine of natural expansion and the doctrine of tacking. Both can be useful arguments in an ex parte application. However, both require very specific sets of facts in order to apply them properly in a response. In …
Category: cancellation
New Public Page for Trademark Non-Use Petitions
On February 4, 2022, the United States Patent and Trademark Office released a new public page showing new ex parte expungement or reexamination petitions for failure to use the challenged mark in commerce. Since its implementation on December 21, 2021, there have been 20 petitions for expungement and 10 petitions for reexamination filed on non-used …