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How do I find the current owner of an EP-patent?

Given an EP (European patent) I can find who applied for the patent, but how do I find whether the patent has been sold to another owner and who this other owner is?
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16 views

Closed EPO application

A previous application for an European Patent Grant was "closed" by the European Patent Office. In which way the same application can be filled with US Patent Office?
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381 views

what is the difference between an EP patent (or publication) and a patent published in Europe?

I'm trying to understand the difference between a patent published in europe (or a publication with any country code) and an EP publication (published in EPO). What is the difference between ...
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29 views

Collect patents data for Russian Oil/Gas + Metallurgy companies

I am collecting database of Russian companies patents in Oil & Gas + Metallurgy sectors for my Thesis. I am measuring the impact of patents' quality to the financial performance of the firms. ...