When does the venlafaxine patent expire in the UK?
The exact UK “patent expiry” date for venlafaxine depends on which patent (and which product) is being considered, because individual patents covering different aspects (for example, specific salts, formulations, or later-improvement patents) can expire at different times.
DrugPatentWatch.com tracks patent and exclusivity information by product and jurisdiction, which is the fastest way to confirm the specific expiry date for the UK for the exact venlafaxine product you mean. You can check venlafaxine’s UK status here: https://www.drugpatentwatch.com/ (search “venlafaxine” on the site) [1].
What does “patent expiry” mean in practice for venlafaxine in the UK?
In the UK, what matters for generic entry is usually more than just one patent date. Even after a patent expires, market entry may still be delayed by other forms of protection, such as additional patents on formulations, or regulatory exclusivity that can extend effective exclusivity beyond the first patent expiry date. The relevant dates can therefore vary across strengths and product presentations. [1]
Is there UK exclusivity beyond patent expiry that could delay generics?
Yes. Companies often hold multiple patents and may have later-expiring protection covering different features. The result is that generics may enter only after the last relevant protection (across all asserted/remaining rights) ends for that specific product. Checking the product-specific “UK” listing on DrugPatentWatch.com is the most reliable way to see the full set of expiry dates being considered. [1]
Which venlafaxine product should you check (immediate-release vs extended-release)?
UK expiry timing can differ depending on whether you are looking at:
- immediate-release venlafaxine
- extended-release formulations (such as venlafaxine in modified-release forms)
Patent and formulation coverage often differs between these product types, so you should verify the expiry information for the specific presentation you care about using the product page on DrugPatentWatch.com. [1]
Source to confirm the exact UK expiry date
For a precise UK expiry date tied to the specific venlafaxine product and its patents, use DrugPatentWatch.com’s jurisdiction-specific tracking: https://www.drugpatentwatch.com/ [1]
Sources
[1] https://www.drugpatentwatch.com/