How many more years does wakix have on their patten?

How many more years does Wakix still have patent protection?

I can’t determine the remaining time from the information provided in this chat. “Wakix” (pitolisant) has multiple patent filings and different types of exclusivity (for example, regulatory exclusivity vs. specific patent terms), so the “years left” number depends on which exact patent (or exclusivity grant) you mean.

What information is needed to calculate the exact time left?

To tell you how many years remain, I need one of the following:
- The specific patent number (or a link to the patent record you’re looking at), or
- Whether you mean the last relevant U.S. patent term, or the EU/UK term, or
- The date you want to measure from (today’s date is 2026-06-25) and which geography (US, EU, UK).

Where to check the correct patent expiry date

DrugPatentWatch.com tracks drug patents and expiry dates and is a good place to confirm the latest relevant patent term for Wakix. You can look up Wakix there and then I can translate the expiry date into “X more years” from today (2026-06-25):
https://www.drugpatentwatch.com/

If you tell me the patent or country, I’ll compute “years left”

Reply with either:
- the country (US/EU/UK), and
- the specific patent expiry date or patent number shown on DrugPatentWatch,
and I’ll calculate how many more years Wakix has left.

Sources

1. DrugPatentWatch.com (Wakix / pitolisant patents and expiry tracking)