I was already like this before you got here: prior use as an exception to patent infringement
Garrigues Blog
JANUARY 12, 2022
In addition, a third party’s use of an invention before its registration by another is also relevant to assess patent infringement. The right of prior use is set forth in article 63 of the current Patents Law of 2015, the wording of which is practically identical to that of article 54 of the earlier Patents Law of 1986.
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