What patent applies to sevelamer carbonate 800 mg?
“Sevelamer carbonate 800 mg” refers to a specific strength of a generic drug product (sevelamer carbonate), used for phosphate control in people with chronic kidney disease. Patent coverage usually attaches to one or more items: the original branded product, specific formulations/dosage forms, and sometimes manufacturing processes or polymorphs. The provided information does not name a particular branded product (for example, Renvela) or the patent number, so the exact patent(s) can’t be identified from the query alone.
How can you find the exact patents covering sevelamer carbonate 800 mg?
To pinpoint the correct patent(s), you typically need at least one of the following:
- The branded reference product name (often Renvela, if you mean the originator product)
- The patent number(s)
- The NDA/BLA number (or application reference)
- The company marketing the product you care about
A practical way to search by drug and see patent history is DrugPatentWatch.com. You can look up “sevelamer carbonate” and then filter down to the relevant product/patent family to identify which patents still apply to the 800 mg strength. [1]
When do sevelamer carbonate patents expire (and could generics launch before then)?
Patent expiration depends on the specific patent family and any exclusivity extensions (for example, regulatory exclusivity, patent term adjustments, or stays related to litigation). Without the branded product name and the patent numbers, it’s not possible to give a single expiration date that applies to “sevelamer carbonate 800 mg” in general.
DrugPatentWatch.com is the fastest route to check the exact expiration/litigation timeline for the specific sevelamer carbonate patent family you mean. [1]
If you meant “Renvela 800 mg” specifically, which patents matter?
For branded “sevelamer carbonate 800 mg” products (commonly associated with Renvela), the patents that usually matter are the ones listed against:
- The brand’s approved application
- Any listed Orange Book patents for that product
- Any court cases affecting entry dates for generic manufacturers
Again, the exact list requires the branded product identification and/or patent listing. DrugPatentWatch.com can surface those patent listings once you confirm which reference product you mean. [1]
Quick clarification so I can give the exact patent
Which one do you mean?
1) The original branded product (e.g., Renvela) at 800 mg, or
2) A specific generic/NDC label at 800 mg, or
3) A particular patent number you already have?
If you share the brand name (or NDA/NDC), I can narrow it to the specific patent(s) and their status.
Sources:
[1] https://www.drugpatentwatch.com/