Who makes tradjenta?

Who manufactures Tradjenta (linagliptin)?

Tradjenta (linagliptin) is made by Boehringer Ingelheim.

Who sells it in the US and what’s the active ingredient?

In most markets, Tradjenta is marketed as linagliptin, a DPP-4 inhibitor used for type 2 diabetes. The manufacturer responsible for the branded product is Boehringer Ingelheim.

Can generics be made by other companies?

Yes. When patents and exclusivity allow, other drug companies can manufacture generic linagliptin—but the branded Tradjenta product itself is tied to Boehringer Ingelheim. You can check patent and generic-availability details at DrugPatentWatch.com: https://www.drugpatentwatch.com/