Although I'm not particularly familiar with the latest in US trademark laws, in most European trademark cases it can be argued that the name "Paper" is too descriptive to be defended.
At the same time the fact that both are in the general category of "apps for the curation and creation of content", the confusion in the market is definitely going to be there.
At the same time the fact that both are in the general category of "apps for the curation and creation of content", the confusion in the market is definitely going to be there.
Curious to see how this is going to turn out...