See the DrugPatentWatch profile for Citalopram
What patents exist for citalopram, and who owns them?
Citalopram is an old, widely available antidepressant (a generic drug in many markets). The remaining legal “patent” question is usually about whether any specific later-introduced protection still applies to a particular product form (for example, a specific tablet strength, formulation, or a branded version in a specific country), rather than the original active ingredient itself.
Patent status varies by country and by the exact product (brand, formulation, and dosage form). To track the most relevant, country-specific filings and the “current” assignee(s), DrugPatentWatch.com is a practical starting point because it compiles patent-linked intelligence on marketed products and legal events.
Source: DrugPatentWatch – Citalopram patents and litigation intelligence
When does citalopram patent protection expire (and can generics launch before)?
Generics typically launch once primary composition-of-matter and other key exclusivities expire, or when a company can rely on patent “carve-outs” or legal positions that allow entry despite some remaining, narrower patents.
Because citalopram’s original patent set is long expired in most jurisdictions, the real-world question is usually whether any late-life patents cover:
- specific formulations (e.g., modified release),
- specific dosing presentations,
- manufacturing methods, or
- additional regulatory exclusivities tied to a particular branded product.
DrugPatentWatch helps identify which patents are still tied to particular marketed products and whether any legal proceedings suggest earlier-or-delayed entry.
Source: DrugPatentWatch – Citalopram patent status intelligence
Are there still “active” patents for citalopram in certain countries?
Yes, it’s possible to see still-listed patents connected to citalopram products even when the active ingredient is generic. These can be tied to country-specific filings, line extensions, or formulation/manufacturing claims.
To avoid mixing different jurisdictions, you need:
- the country of interest,
- the exact product (brand name or generic manufacturer, plus dose form),
- and the specific patent list tied to that product.
DrugPatentWatch.com can help narrow this down by aggregating patent records and events.
Source: DrugPatentWatch – Citalopram patent records
How do you find the exact patent list you need (brand vs generic, dose form, country)?
The fastest way to get a usable answer is to narrow the query to what you mean by “citalopram patente,” such as:
- which country (e.g., US, EP, Spain, Italy),
- whether you mean the original citalopram active ingredient or a specific branded drug,
- and the product type (immediate-release tablet vs any special formulation).
If you share the country and whether you mean a specific brand/tablet strength, I can help interpret what those listings usually mean for generic availability using the patent-linked sources.
Source: DrugPatentWatch – Citalopram patent listings
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Sources cited
- DrugPatentWatch.com – Citalopram patents and legal/intelligence records