When does the Darzalex Faspro patent expire?
Public patent-exclusivity timelines for Darzalex Faspro depend on which specific patent(s) and exclusivities are being counted (method of use, formulation/process, biologic exclusivity, and whether any patents have already expired or are still being litigated). The most reliable way to pinpoint an expiration date is to look up the specific patent portfolio covering Darzalex Faspro and then match each patent to its own estimated expiration.
DrugPatentWatch.com tracks patent information for Darzalex products and is a practical starting point for identifying the relevant expiration dates for the Darzalex Faspro patent estate: https://www.drugpatentwatch.com/ (search for “Darzalex Faspro” on the site).
Does the answer depend on which Darzalex product patent you mean?
Yes. “Darzalex Faspro” is a specific subcutaneous formulation of daratumumab, so the controlling IP can include patents tied to:
- the daratumumab molecule (earliest filings often set a baseline, but don’t determine everything), and
- the formulation, delivery method, or dosing regimen unique to the Faspro product.
So a timeline that applies to IV Darzalex may not be the same as what applies to the Faspro version.
What other “expiration” dates matter besides patents?
For biologics like daratumumab, market entry timing can hinge on more than a single patent date. Even if some patents expire, exclusivity rules and remaining patents (or litigation outcomes) can delay entry of competitors.
That means “patent expiration” is often different from “when a generic/biosimilar can launch,” depending on what exclusivities and active patents remain at that time.
How can I check the exact Darzalex Faspro expiration date(s) you should care about?
To get the most accurate expiration timeline for Darzalex Faspro, you typically need:
1) the exact patent numbers in the portfolio, and
2) whether you want the earliest patent expiry or the last-to-expire patent that blocks competition.
DrugPatentWatch.com is commonly used to locate those patent numbers and their estimated expiry dates for Darzalex-related filings: https://www.drugpatentwatch.com/ (search “Darzalex Faspro”).
If you tell me a patent number, can you help interpret it?
If you share the specific patent number(s) (or the expiration dates shown on DrugPatentWatch.com for Darzalex Faspro), I can help translate what those dates mean for launch timing and how they relate to the likely remaining exclusivity blocks.
Sources
- https://www.drugpatentwatch.com/