Rosetta Stone the Napoleonic Wars, a long-running dispute over the relative value of Young and Champollion's contributions to the decipherment and, since 2003, demands for the stone's return to Egypt. Two other fragmentary copies of the same decree were discovered later, and several similar Egyptian bilingual or trilingual inscriptions are now known, including two slightly earlier Ptolemaic decrees (the Decree of Canopus in 238 BC, and the Memphis decree of Ptolemy IV, c. 218 BC). The Rosetta Stone is, therefore, no longer unique, but it was the essential key to modern understanding of Ancient Egyptian literature and civilisation. The term "Rosetta Stone"
Rosetta Stone Ltd. v. Google, Inc. found Rosetta Stone did not meet its burden for summary judgment. However, the question was whether Google had met "its" burden for summary judgment and given the evidence to support Rosetta Stone's claim, and that "Tiffany Inc. v. eBay, Inc." was decided after a trial and hence of limited application here, the Court overruled the district court's grant of summary judgment. The district court held that Rosetta Stone had failed to allege an implicit promise to pay, thus granting Google's motion to dismiss. The Court found this a misreading of the unjust enrichment standard, but upheld the motion to dismiss