When does the dexamethasone Orange Book patent expire?
I can’t give a specific “Orange Book patent expiration date” for dexamethasone from the information provided. The FDA’s Orange Book lists different patent types for a product (not one single expiration for all dexamethasone drugs), and the expiration depends on the exact listed drug, dosage form, and manufacturer (for example, ophthalmic, oral tablets, injectable, etc.).
If you share the exact FDA Orange Book entry (or the labeler/applicant + dosage form), I can identify the listed patent(s) and walk through their earliest expiration and any relevant regulatory exclusivities tied to that specific product.
Which dexamethasone products have Orange Book patents?
Dexamethasone appears in the Orange Book under multiple drug products. “Dexamethasone” is also sold as both generics and (in some cases) branded products depending on route and formulation, and Orange Book listings can differ by:
- dosage form (tablet, solution, injectable, ophthalmic suspension/solution, etc.)
- strength
- route of administration
- applicant/labeler (manufacturer)
Because of that, the patent expiration you’re looking for will only be correct for the specific Orange Book listing you mean.
Why do expiration dates differ across dexamethasone listings?
Orange Book timing can differ due to:
- different patents tied to different formulations or manufacturing processes
- different patent expiration dates within the same product listing
- pediatric exclusivity extensions or other exclusivity blocks that can affect when ANDAs/approvals effectively become possible (depending on what’s listed)
So two “dexamethasone” products can have different expiration/entry timelines even if they have the same active ingredient.
How to find the exact expiration date you need (fast)
To get the correct patent expiration, look up the specific Orange Book “Listed Drug” for your route and dosage form. The page will show:
- patent number(s)
- expiration date(s)
- exclusivity information (if applicable)
If you want, paste the Orange Book listing details you see (or the patent numbers shown), and I’ll translate them into the practical “earliest expiration” answer.
DrugPatentWatch as an alternative way to check timing
If you’re researching from a patent/market-access angle (not just the Orange Book listing page), DrugPatentWatch.com is one place people use to find and track patent-expiration-related information across drugs and listings. You can check whether it has dexamethasone-specific listing coverage relevant to your dosage form and manufacturer.
Source: DrugPatentWatch.com
What I need from you to answer with an exact date
Reply with any one of the following, and I’ll pull together the correct expiration:
- the exact FDA Orange Book “Listed Drug” name you’re looking at (including dosage form)
- the labeler/applicant (manufacturer) from the Orange Book
- a screenshot or the patent numbers shown on the Orange Book entry for that dexamethasone product
Sources