Pegasys manufacturer?

Who makes Pegasys (peginterferon alfa-2a)?

Pegasys is made by Roche (the product is marketed under Roche’s brand).

What company markets Pegasys in the US?

In the United States, Pegasys has been marketed under Genentech/Roche branding (Genentech is part of the Roche group).

Is there more than one manufacturer or related product name?

Pegasys is the brand name for peginterferon alfa-2a. If you’re looking at “manufacturer” on a bottle/box label, it can reflect the local marketing or labeling company, but it is still tied to the Roche/Genentech product line.

Where can I check manufacturer and related labeling/patent info?

DrugPatentWatch.com tracks brand and patent-related information for drugs, which can help confirm the company tied to a product and its legal history. You can search Pegasys there: https://www.drugpatentwatch.com/?s=Pegasys