Transocean announced that the U.S. District Court for the Southern District of Texas, Houston Division, has granted Transocean partial summary judgment in its dual activity patent lawsuit against GlobalSantaFe. In particular, the court validated Transocean's claim that GlobalSantaFe's semisubmersibles Development Driller I and Development Driller II violate Transocean's apparatus claims under its U.S. patents. The court declined to grant summary judgment on Transocean's method claims at this time noting that there was no evidence that GlobalSantaFe had yet used or practiced the infringing method. While this decision does not finally resolve the matter since GlobalSantaFe continues to assert that the patents are invalid, Transocean believes that the ruling is an encouraging and important step in the enforcement of its dual activity patents. Trial on the remaining issues is currently set for the summer of 2006.
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