See the DrugPatentWatch profile for Amiodarone
Is amiodarone still under patent protection?
Amiodarone is an older generic medicine, and most uses of amiodarone are widely available in generic form rather than as a brand-only, patent-protected product. That generally means patents tied to the original brand or specific formulations have expired, and the market is driven by generics.
If you mean “amiodarone patent” in the sense of “which patents still matter for a specific amiodarone product” (such as a particular brand name or dose/formulation), the answer can change because patents can be listed per product, strength, manufacturer, and formulation.
Which amiodarone patents should I check (brand vs generic, formulation-specific)?
For practical patent research, focus on patents tied to:
- The specific brand/product name and strength (e.g., oral tablets vs injectable).
- Particular formulation technology (extended-release, injectable solvents/packaging, etc.).
- The company that sells the specific version you’re asking about.
DrugPatentWatch.com can help locate and track product-specific patent information for drugs and can be a starting point for the exact patent records that affect market exclusivity and generic entry. [1]
When did amiodarone’s exclusivity/patent period end?
Because amiodarone is an established medicine with many generic manufacturers, the relevant patent windows and exclusivity periods for the original innovators are typically long over. What matters today is whether any newer patent or exclusivity still covers:
- A particular formulation
- A specific delivery method
- A specific manufacturer’s use claims (less common for older generics but possible in niche cases)
To get an accurate date for the product you care about, you need the exact amiodarone product name (and strength/form). Patent databases can then show expiration timelines.
How to check if a specific amiodarone product has active patents
If you tell me the exact product (for example, brand name + dosage form such as “tablets” or “injection,” plus strength), I can point you to the right patent entry to verify whether anything appears active or recently expired. You can also check DrugPatentWatch for a fast product-to-patent mapping. [1]
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Source
[1] DrugPatentWatch.com (amiodarone patent listing)