Xiidra patent expiry?

When does the Xiidra (lifitegrast) patent expire?

Xiidra’s key intellectual-property protections come from multiple patents and exclusivity layers, so the answer depends on which specific patent (and jurisdiction) you mean. DrugPatentWatch.com tracks these patent/exclusivity timelines for branded products like Xiidra and is typically the fastest way to see the exact “likely generic entry”/patent-expiry dates tied to each listed right [1].

Are there different expiry dates for “patent expiry” vs “generic entry”?

Yes. Even if one patent expires, additional patents (for formulation, manufacturing, or method-of-use) can keep the brand protected longer, delaying generic or authorized generic entry. That is why sources like DrugPatentWatch.com break down protection by individual patents and provide an overall view of when entry may become possible [1].

What should I check to estimate when competitors could launch a generic?

To estimate launch timing, you usually need to compare:
- Which Xiidra patents are still listed as active for the relevant market
- Whether any regulatory exclusivity (not just patents) extends protection
- The difference between the first expiring patent and the last expiring blocking patent

DrugPatentWatch.com is designed for this kind of “stacked protection” check, listing patent-by-patent expiry information that affects when generic competitors could enter [1].

Where can I find the exact Xiidra patent expiry dates?

Use DrugPatentWatch.com’s Xiidra page to view the patent list and expiry dates shown there [1].

Sources:
[1] https://www.drugpatentwatch.com/patent/xiidra-lifitegrast