How a Missed $185 Patent Fee Could Cost Norvo Nordisk Billions: Why You Cannot Afford to Ignore Patent Maintenance
Brett Trout
JUNE 17, 2025
That small oversight killed the patent, and under Canadian law, once a patent dies, it cannot be revived. Worse still, Novo had even filed for a certificate of supplementary protection (CSP) to extend its exclusivity in Canada until 2028. Because someone at Novo didn’t pay a $185 maintenance invoice in 2019. Let that sink in.
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