Please note:
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Your provisional patent application must contain an exact description of your invention with all technical features that are necessary for the functioning of your invention. Features that you also intend to disclose on your website, in advertising brochures or in other presentations should be included in any case. Technical drawings are also good to supplement the description. In short, the more and more detailed you describe your invention, the better.
It can, but does not have to contain:
IMPORTANT. The priority date of your provisional patent application applies only to features that you actually disclose in your description. It is not possible to add features after the fact.
An invention must - among other things - be new worldwide in order to obtain a patent on it. With the PRIO application you can secure the filing date, the so-called priority. You can claim this within twelve months for an international application - i.e. you take your filing date of the PRIO application with you. Your invention will be treated in other countries in the same way as your first application. You have priority in terms of time.