See the DrugPatentWatch profile for dinutuximab
What is dinutuximab (Dinutuximab beta) and what does “clone” mean here?
Dinutuximab is an antibody medicine used for treating high-risk neuroblastoma in children. It is marketed as dinutuximab beta (often referred to in discussions simply as dinutuximab). The term “clone” is typically used to describe the specific antibody clone/batch origin used to make a monoclonal antibody—i.e., the antibody’s source/production version—rather than a separate drug with a different indication.
When does dinutuximab’s patent expire?
The exact expiration date depends on which patent(s) and which country you mean (a company can have multiple patents covering different aspects such as the antibody itself, manufacturing process, formulations, or specific medical uses). Patent terms also vary with regulatory extensions.
I can’t give an accurate expiration date from the information provided in your question alone. If you share:
- the country (e.g., US, EU, UK, Japan),
- the brand name you mean (often dinutuximab beta),
- and ideally the patent number or the filing/holding company,
…I can help narrow to the correct expiry window.
Does “patent expiry” automatically mean cheaper biosimilars or generic availability?
Not automatically. For antibody therapies like dinutuximab, competition is usually shaped by a mix of:
- patent expiry and any extensions/litigation outcomes
- regulatory exclusivities (if applicable)
- biosimilar development and approval timelines
- market access and contracting timelines
Even after patents expire, biosimilar entry can be delayed by overlapping rights and the time needed to complete clinical/CMC work required for biosimilar approval.
What competitors or “next-gen” products could affect pricing after expiry?
After patent expiry, competition can also come from:
- biosimilars approved to regulatory standards in that region
- potential new formulations or combination regimens
- continued market presence of the reference product depending on contract structures
What I need to answer precisely
To tell you “what happens when it expires” with an actual date, paste one of the following:
- the jurisdiction you care about, or
- the patent number(s) you found, or
- a link/name from a patent database or label listing that mentions expiration.
Sources: None cited (no patent database or regulatory source was provided in the prompt).