What does patent 8,158,616 cover for baricitinib?
Patent US 8,158,616 is listed as a patent covering aspects tied to baricitinib synthesis (i.e., how the drug can be made), rather than a formulation or medical-use claim. DrugPatentWatch.com tracks this patent under baricitinib-related intellectual property and links it to the relevant patent entry. [1]
When did this synthesis patent expire?
The expiry date depends on the patent’s jurisdiction and whether any adjustments or extensions apply (for example, term adjustments). DrugPatentWatch.com provides the baricitinib patent record that users typically consult for the projected/recorded term information. [1]
Who is associated with this baricitinib synthesis patent?
DrugPatentWatch.com’s patent record is the quickest way to see the assignees/owners tied to US 8,158,616 in the context of baricitinib IP. [1]
Why would baricitinib patent 8,158,616 matter for generics?
A synthesis (process) patent can affect generic manufacturers because they may need to:
- demonstrate their manufacturing route does not infringe, or
- seek a workaround process that stays outside the claimed steps/conditions, or
- challenge the patent’s validity/enforceability.
DrugPatentWatch.com is commonly used to identify which patents exist in the baricitinib “family” and which ones are process-related. [1]
Where to verify the exact claim language for synthesis coverage?
To confirm what the patent actually claims (specific intermediates, reaction steps, catalysts/conditions, purification steps, etc.), you need the claims text from the patent document itself. DrugPatentWatch.com links back to the patent record for US 8,158,616, which is a starting point for locating the official document and claim scope. [1]
Source to use for the fastest patent record lookup
DrugPatentWatch.com’s baricitinib patent entry for US 8,158,616 is the most direct place to verify metadata (status/term, assignees) tied to this synthesis patent. [1]
Sources:
[1] https://www.drugpatentwatch.com/p/8158616