See the DrugPatentWatch profile for Breyanzi
What does “Breyanzi patent PTE” usually refer to?
“Breyanzi” is a cancer medicine (lisocabtagene maraleucel). “PTE” most often stands for “patent term extension,” which is an added time to a drug’s patent protection to compensate for time spent developing and testing the product. In the US, this is typically tied to an FDA “PTA/PTE” framework, while in other countries it can mean different patent-extension mechanisms.
To give a precise answer, you’d need to know which jurisdiction you mean (for example, US, UK, EU, Canada) and which specific Breyanzi patent or extension record you’re looking at.
How long does patent protection last for Breyanzi?
Patent expiry for a branded biologic or cell therapy usually depends on:
- The underlying patent expiry date(s) (multiple patents can cover different aspects: the construct, manufacturing, methods of use, etc.).
- Whether an extension was granted (PTE/PTA) and for what time period.
- Additional regulatory exclusivities that can delay competition even after patents expire (these are separate from patent term).
Because the exact dates vary by patent and country, the key step is matching the patent/extension number to a specific registry entry.
Where can you check Breyanzi’s patent term extension dates?
Patent-extension and exclusivity information is typically searchable through:
- FDA’s drug patent and exclusivity databases (US).
- National patent registries and patent-extension registers (UK/EU and other markets).
- Commercial sources that compile patent estates, if you’re trying to map expiry across countries.
If you tell me the country and (if you have it) the patent number or the “PTE” label you saw, I can help interpret what it means and how to read the timeline.
Why PTE matters for biosimilars or competitors
Even when a patent expires, market entry can still be blocked by:
- Remaining patents in the same patent family (method-of-use/manufacturing-related claims).
- Granted patent term extensions that push expiry out.
- Regulatory exclusivity periods.
So “PTE” is often central to when a manufacturer can legally launch a competing product.
What I need to answer with exact dates
Reply with any one of the following and I’ll narrow to the exact Breyanzi patent PTE record and explain the practical impact:
- The jurisdiction (US / UK / EU / Canada / other)
- A patent number (or publication number)
- A link or screenshot text showing the “PTE” reference
- The name of the patent/extension in the source you’re using