19Thus it is clear from settled case-law that the change brought about by any repackaging of a trade-marked pharmaceutical product — creating by its very nature the risk of interference with the original condition of the product — may be prohibited by the trade mark proprietor unless the repackaging is necessary in order to enable the marketing of the products imported in parallel and the legitimate interests of the proprietor are also safeguarded (Bristol-Myers Squibb and Others, paragraph 57, and Boehringer Ingelheim and Others, paragraph 34).
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