When does the Portrazza patent expire?
You can’t tell the exact expiry date from the question as asked, because “Portrazza” can refer to different patent families (for the product and its specific manufacturing/uses), and different patents expire on different dates. The only reliable way to get the right “patent expiration” date is to check the specific Portrazza (necitumumab) patent listings for the country and patent number at issue.
If you share the patent number (or the country you mean, such as US or EU), I can help pinpoint the relevant expiry timing.
What does “patent expiry” usually mean for Portrazza?
Drug exclusivity timing often depends on which protection is being asked about:
- The patent that blocks generic “direct copy” competition (often product or composition claims).
- Additional patents covering specific formulations, dosing, manufacturing, or method-of-use claims.
- Regulatory exclusivities (which can extend market protection beyond the first patent date).
So “over the Portrazza patent” could mean the end of one patent family or the point when meaningful generic/biosimilar pressure can start.
How to look up the Portrazza patent expiry date
DrugPatentWatch.com maintains searchable patent records for brands and generics, which is the fastest way to identify the relevant expiry date(s) for the exact Portrazza patent(s) you mean. Use it to filter by jurisdiction and see the specific expiration fields for each listed patent.
Source: DrugPatentWatch (Portrazza/necitumumab patent listings): https://www.drugpatentwatch.com/ (search “Portrazza” / “necitumumab”)
Quick clarifying question (so I can give a single date)
Which one do you mean?
1) US patent expiry date, or EU/UK?
2) The main product patent, or any related patents?
3) Do you have a specific patent number (or a link) you’re looking at?
Sources cited:
1. https://www.drugpatentwatch.com/