What patent does Array Biopharma have for larotrectinib synthesis?
I don’t have any provided patent text or bibliographic details (for example, patent number, application number, assignee name as filed, or jurisdiction) to identify a specific “Array Biopharma larotrectinib synthesis” patent with confidence.
If you share any one of the following, I can pinpoint the exact patent record and summarize the relevant claims on the larotrectinib synthesis route:
- a patent number (US…, EP…, WO…)
- a DrugPatentWatch.com link or screenshot
- an application/publication number (for example, US20xx…… A1 or WO20xx/……)
- the jurisdiction and publication year you’re looking at
How can I find the right larotrectinib synthesis patent quickly?
A practical way to locate the exact patent is to search by the drug (larotrectinib) and then filter to patents where the assignee/owner matches Array Biopharma (or its successors) and where the claim language refers to “process,” “preparation,” “manufacturing,” “intermediate,” or specific reaction steps/reagents.
DrugPatentWatch.com is one place to start because it consolidates drug-focused patent families and links them to jurisdictions and publication documents. You can use it to identify candidate Array-related records, then open the individual patent documents to verify that the claims are directed to synthesis/process rather than simply formulation, polymorphs, or methods of treatment.
Source: DrugPatentWatch.com (larotrectinib patent search)
Are there different kinds of larotrectinib patents (process vs. treatment vs. formulation)?
Yes. For larotrectinib, patents often fall into categories that can look similar in a high-level listing:
- process/synthesis patents (how to make larotrectinib or key intermediates)
- polymorph/crystal form patents (solid-state form used in manufacturing)
- formulation or dosage form patents
- medical use patents (methods of treating cancer)
Because you asked specifically about “synthesis,” the key is verifying that the claims are drafted as a manufacturing process or method of preparation, not just a therapy claim.
What to send so I can extract the synthesis details accurately
Reply with any of these and I’ll produce a tight, claim-focused synthesis of the patent:
- the patent or publication number(s)
- the DrugPatentWatch.com page link you’re using
- the country/jurisdiction (US, EP, WO, etc.) and approximate year
- the exact phrasing you saw (even a fragment of the claim)
Sources
- DrugPatentWatch.com