Holding that a petition for cancellation of a registered trademark was barred by the doctrine of laches based on the petitioner's constructive knowledge
Holding that a registration for “electronic transmission of data and documents via computer terminals” is “closely related” to a registration “covering facsimile machines, computers, and computer software”
Holding that purchaser confusion is the "primary focus" and, in case of goods and services that are sold, "the inquiry generally will turn on whether actual or potential `purchasers' are confused"
Stating that “a laches or estoppel defense in an opposition (or cancellation) proceeding may be based upon the Opposer's failure to object to an Applicant's registration of substantially the same mark ”