See the DrugPatentWatch profile for Cenobamate
When does cenobamate’s patent expire in India?
The exact patent expiry date for cenobamate in India depends on which specific patent(s) cover the drug substance, the drug product, and any related formulation or use claims. Patent expiry is therefore not a single universal date unless you identify the particular Indian patent number(s) and their filing dates.
No Indian patent expiry date for cenobamate can be stated from the provided information.
How to find the actual India expiry date (patent-by-patent)
To determine the expiry date in India, you generally need to:
- Identify the relevant Indian patents that claim cenobamate (and possibly key formulations/processes) by searching the Indian Patent Office records using “cenobamate” and related applicant/assignee names.
- For each patent, check:
- the grant status (granted vs. pending),
- the filing date (the start point for term calculation),
- whether the term was adjusted or where patent term changes apply under Indian law,
- whether any additional restoration/extension mechanisms exist for that specific patent (not every patent has such adjustments),
- whether the patent is still in force (some patents may lapse for non-payment of fees).
What counts as “expiry” in India for patients and prescribers?
Different timelines can affect when generics can enter:
- Patent term expiry (when the patent is no longer enforceable).
- Any regulatory exclusivities or approvals that may delay marketing even after patent expiry (these are separate from patents).
- Litigation outcomes: even if an expiry date is near, a court stay or patent validity ruling can change practical timelines.
If you share the patent number, I can compute the expiry date
If you provide one or more of the following, the expiry timeline can be narrowed to the correct date(s):
- the Indian patent number(s) covering cenobamate, or
- the patentee/assignee name you want checked, or
- a link or citation to the Indian patent record you’re looking at.
If you paste the patent number(s), I’ll translate them into the corresponding India patent expiry date(s) based on the filing term shown in the record.