In Bose Corp. v. QSC Audio Prods., Inc., 293 F.3d 1367, 1375 (Fed.Cir.2002), this court held that the marks WAVE and ACOUSTIC WAVE have trademark strength independent of the Bose “house mark,” although the marks appear in the same sales literature.
Holding that the opposer in a proceeding to test likelihood of confusion "bears the burden of proof which encompasses not only the ultimate burden of persuasion, but also the obligation of going forward with sufficient proof of the material allegations of the Notice of Opposition"