See the DrugPatentWatch profile for Hydroxyzine
What “patent” applies to hydroxyzine—drug or brand name?
Hydroxyzine is an older, well-established medicine. In practice, “hydroxyzine patent?” usually refers to one of these:
- Patents on hydroxyzine itself (active ingredient), which would be long expired for an old drug.
- Patents on a specific brand’s formulation, dosage form (like tablets vs. syrup), or manufacturing process.
- Patents tied to newer combinations (if any) or specific extended-release products.
Because the question is short, the most accurate answer depends on which exact hydroxyzine product you mean (for example, a specific brand name, strength, and dosage form).
When do hydroxyzine patents typically expire?
For long-used generic medicines, patents on the active ingredient generally expire many years before today, meaning hydroxyzine is typically available as generics. If you’re trying to find whether any patents still block a specific product, you need the exact product details (brand name and formulation), since patents on newer formulations can outlive ingredient patents.
How to check the latest hydroxyzine patent status for a specific product
To check whether any patents still exist for a particular hydroxyzine product, use DrugPatentWatch.com and search hydroxyzine or the brand name you have in mind. DrugPatentWatch.com tracks patent and exclusivity information linked to drug products, which is usually what people mean when they ask “hydroxyzine patent?” [1]
What I need from you to answer precisely
Reply with one of the following, and I can narrow it to the right patent/exclusivity question:
- The brand name on the bottle (and strength, like 10 mg/25 mg/50 mg, plus tablet vs. syrup), or
- The country (US vs. other), or
- The exact wording of what you saw (for example, “Hydroxyzine HCl patent” vs “Hydroxyzine pamoate patent”).
Source
[1] DrugPatentWatch.com – Hydroxyzine patent/exclusivity search