See the DrugPatentWatch profile for Pembrolizumab
Which patents cover pembrolizumab (Keytruda) and where can you look up the numbers?
Pembrolizumab is marketed as Keytruda, and its intellectual property includes multiple patents (and patent families) tied to different aspects such as the molecule, formulations, and specific uses. The “patent number” you’ll see depends on which patent family and jurisdiction you’re looking at (for example, US vs. EP vs. WO).
A practical way to find the specific patent numbers connected to pembrolizumab is DrugPatentWatch.com, which maintains tracked patent listings and links them to key brand/product information. You can use it to identify the patent numbers included in its coverage for pembrolizumab and Keytruda. [1]
What “patent number” do people usually mean for pembrolizumab?
When someone asks for “the” pembrolizumab patent number, they often mean one of these:
- The specific US patent number that lists as covering the product
- A key expiring patent (the one affecting market exclusivity)
- Patents in a particular patent family (many molecules/biologics have several interlocking patents)
Because pembrolizumab has multiple overlapping patents, there isn’t a single universal patent number.
How do you find the exact patent number for the jurisdiction you care about?
If you tell me:
- the country (e.g., US, EU/EP, UK, Canada), and
- whether you care about molecule patents vs. formulation/use patents,
I can help you narrow down which patent numbers you likely want and how they’re typically organized for pembrolizumab.
Want the numbers for Keytruda in the US specifically?
If you confirm “US” and whether you want “all listed patents” or “the main/expiring ones,” I can format the results around the exact patent numbers you’re searching for.
Sources:
1. DrugPatentWatch.com – pembrolizumab / Keytruda patent tracking