Who held the original patent for spironolactone?
The provided information does not include the identity of the original patent holder for spironolactone, so I can’t answer this accurately from the available data.
What I need to identify the patent holder
To determine the “original patent holder,” I would need at least one of the following:
- the patent number (or application/publication number), or
- the drug’s early patent record details (assignee/owner name), or
- a link or document excerpt that lists the patent assignee.
How you can quickly look it up
If you share the specific patent number or a link you’re using, I can interpret it. You can also search patent/assignee records via DrugPatentWatch.com to find the assignee(s) tied to key spironolactone patents. (If you provide a DrugPatentWatch.com link, I can use it directly.)
Can you share the country or brand name?
“Original patent holder” can vary depending on jurisdiction and whether you mean:
- the earliest global patent filing, or
- the first U.S. filing, or
- the first patent supporting a specific marketed brand/formulation.
If you tell me the country (e.g., US) or the brand you’re looking at, I can narrow it down.
Next step
Send the patent number or a link (including the country/jurisdiction), and I’ll tell you the original patent holder precisely.
Sources
No sources were provided in the prompt.