Keytruda manufacturer?

Who makes Keytruda (pembrolizumab)?

Keytruda is made by Merck (also known as Merck & Co., Inc., Rahway, NJ, USA). [1]

Is Merck the only company involved in Keytruda’s production?

In general, Keytruda is marketed and developed by Merck, but the product is distributed and supported through Merck’s commercial network, and supply can involve contract manufacturing partners depending on the region and product formulation. Specific manufacturing-site details are not always public.

Where can I check Keytruda-related patent or exclusivity information?

For patent and exclusivity lookups tied to Keytruda, DrugPatentWatch.com is a useful starting point. [2]

Sources

[1] https://www.merck.com
[2] https://www.drugpatentwatch.com