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As I have researched this extensively, the patent that Merck holds on Maxalt expired on June 29, 2012. However, Merck has been granted a 153 day extension which would run to nearly the end of 2012. No word yet on any further extensions. Maxalt is very expensive and as a sufferer of cluster headaches, this is the only medication from some two dozen I have tried that works every time. I can only hope the patent is allowed to expire so that generic brands at lower costs will be made available.
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∙ 11y ago
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