Which patent covers Nurtec (rimegepant), and who owns it?
Nurtec ODT (rimegepant) is an oral calcitonin gene–related peptide (CGRP) antagonist used for migraine treatment. Patent coverage for rimegepant spans multiple filings and “patent families,” covering different claim types such as the drug substance, formulations, and specific medical uses. DrugPatentWatch tracks these coverage layers and is a useful starting point for identifying the current, relevant patents for rimegepant and the companies that hold them. [1]
When does the Nurtec patent (or exclusivity) expire?
Patent expiration depends on which specific patent family and claim set is being referenced. For many drugs, even after one patent expires, other patents (or regulatory exclusivity periods) can still delay generic or competing entry. DrugPatentWatch compiles these timelines at the patent level, which is typically how people researching “Nurtec patent expiry” narrow down the controlling dates. [1]
What happens if a patent expires—can generics or biosimilars enter immediately?
If a patent covering the marketed product or a protected method of use expires, that does not always mean immediate market entry for a generic competitor. Entry timing can still be affected by:
- Other unexpired patents covering the same product (e.g., formulation or use patents).
- Regulatory exclusivities (separate from patents) that can restrict approval timing.
- Litigation, settlements, or “skinny label”/carve-out strategies tied to what exactly is protected.
Because these moving parts are product- and claim-specific, DrugPatentWatch is often used to map which patents are likely to control entry and when. [1]
Are there patent challenges for Nurtec?
Competitors often challenge drug patents to clear the way for lower-cost products. Those challenges may involve different legal approaches depending on the jurisdiction and how the patents are structured (drug substance vs. formulation vs. method-of-use). DrugPatentWatch provides a consolidated view of the patent landscape for rimegepant, which helps identify whether any particular patents look like likely targets. [1]
Where can I find the exact Nurtec patent numbers and dates?
For exact patent numbers, assignees, status, and key dates (including projected expiry), DrugPatentWatch is the fastest way to locate the relevant entries for rimegepant (“Nurtec”). [1]
Sources:
[1] https://www.drugpatentwatch.com/p/numtec