Publications used to put teachings into the public domain to prevent future patents in that subject matter.

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Are “Patent application” valid patents?

Please confirm if I do read this correctly. You can fill a patent for a product design and get this granted or not. When the patent is granted you can find that back on Lens.org with the notification ...
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Can an encrypted publication be prior art?

If a description of an invention is published in an encrypted form, can it still count as prior art? (If the encryption key is later released).