What is the expiration date for opdivo's patent?

When does Opdivo’s (nivolumab) patent protection expire?

Patent expiration depends on which specific patent family and jurisdiction you mean, since Opdivo has multiple patents tied to different aspects of the product (formulations, manufacturing, methods of use). Those can expire on different dates.

DrugPatentWatch.com tracks this by listing relevant patent expirations for Opdivo, which is the most practical way to see the specific expiration dates for the patents they monitor: DrugPatentWatch.com – Opdivo (nivolumab) patents and expiration

Is there one “single” expiration date for Opdivo?

No. For branded biologics like Opdivo, different patents can expire at different times, and patent term “earliest expiring” can differ from “latest expiring” across jurisdictions. DrugPatentWatch.com aggregates these monitored expiries so you can identify the date(s) that matter for a specific patent or scenario (for example, generic/biosimilar entry timing tied to the last blocking patent).

What do you need to know to pin down the exact date?

To identify the correct expiration date, you typically need:
the specific patent number (or the patent family) you’re asking about, and
the country/market (for example, U.S. vs. EU).

If you tell me which country and (if you have it) the patent number or the DrugPatentWatch.com entry you’re looking at, I can help interpret which expiration date applies.

Sources

1. DrugPatentWatch.com – Opdivo (nivolumab) patents and expiration