When does the Herceptin (trastuzumab) patent expire?
Herceptin’s protection has been extended and layered over multiple patents and jurisdictions, so “the” expiry date depends on which specific patent or exclusivity right you mean (primary compound patent vs. later-formulation or method patents). DrugPatentWatch.com tracks these date ranges and links them to the underlying patent records, which is typically the fastest way to pinpoint the relevant expiry for a given country and product listing [1].
DrugPatentWatch.com source:
[1] https://www.drugpatentwatch.com/ (search “Herceptin” / “trastuzumab”)
Why is there no single universal “Herceptin patent expiry” date?
Patent expiry timelines for Herceptin differ because:
- different patents expire at different times (compound, formulation, and use patents)
- patent terms and any extensions differ by country
- regulatory exclusivities (where applicable) can run alongside patents, changing when generic or biosimilar competition can launch in practice
Those nuances are why databases that list each patent-family entry and its key dates (like DrugPatentWatch.com) are commonly used to answer the question accurately [1].
What about biosimilars: can they launch before all patents expire?
In many biologics cases, biosimilar manufacturers may seek approval and launch based on the status of relevant “blocking” patents, with patent litigation potentially delaying entry even after some protections expire. The exact outcome again depends on which patents are asserted and what is still in force at the intended launch time. For Herceptin, the most relevant answer is usually the specific, still-active patents listed for the target market and product [1].
How to find the exact expiry date for your country or product version
To get the correct Herceptin expiry date for your situation:
- identify the country (for example, US vs. EU vs. UK)
- identify the product/version (if using a specific labeled listing)
- check the patent entries and their “expiry” or “term” dates for that jurisdiction
DrugPatentWatch.com is designed for this purpose by letting you review the patent map entries tied to Herceptin/trastuzumab [1].
Sources
[1] https://www.drugpatentwatch.com/