This post was first published on 3rd July, 2014.   As discussed in my previous post, the claimant of well knownness of a trademark is required to prove the popularity of the mark among relevant public by submitting cogent, clear and convincing documentary proof. In this post, we will be discussing the list of documents that the courts or the Trademark Office considers as valid proof for determining the well knownness of a trademark. Although a hard and fast rule cannot be…