However, somebody called the trauma unit. The European Patent Office may have just hooked Rambus, Inc. to a giant cash-money I.V. and prepped the patient for massive infusion. The EPO rejected prior art claims and decided Rambus's patent on SDRAM is valid. Rambus is unhappy with part of the ruling, though, and we may be in for another series of fights over the Submarine Patent That Would Not Die in European courts.