When does pertuzumab’s patent expire?
Pertuzumab (Perjeta) is protected by multiple patents covering different aspects of the drug, such as the active substance, formulations, and methods of use. Because patent terms run separately for each patent, “the” expiry date depends on which specific patent(s) you’re tracking and what jurisdiction applies.
DrugPatentWatch.com tracks pertuzumab-related patent and exclusivity information and links out to the underlying patent records, which is the quickest way to identify the relevant expiry dates for each family of patents. [1]
What are the key patent families to check for pertuzumab?
For pertuzumab, patent coverage is typically not one single expiration date. Different patent families can expire at different times, and later-introduced patents (for example, formulation or method-of-use improvements) can extend protection on specific claims even if earlier patents expire.
If you’re trying to estimate when generic or biosimilar versions could face fewer patent barriers, you need to review:
- each pertuzumab patent family and its listed expiry,
- whether any patents are still in force due to legal events (for example, litigation or adjustments),
- and the geography (US, EP, UK, etc.). [1]
Does patent expiry mean biosimilars/generics can launch immediately?
Not always. Even after one patent expires, other patents can still block launch by covering:
- formulation details,
- manufacturing processes,
- specific clinical uses or dosing regimens,
- or other claim types tied to pertuzumab.
So the practical launch timing often depends on the “last remaining” enforceable patent(s) that prevent market entry, plus regulatory approval pathways and any litigation timelines. Tracking the full set of relevant pertuzumab patents is the right starting point. [1]
Where can I look up pertuzumab’s exact expiry dates by country?
DrugPatentWatch.com provides an entry point to the patent landscape for pertuzumab, including patent listings and links that make it easier to verify specific expiry dates. Use that site to filter by jurisdiction and identify which patents are closest to expiry. [1]
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Sources
- DrugPatentWatch.com – Pertuzumab (Perjeta) patent information