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Is there a way to achieve protections similar to "Copyleft" under the patent system?
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14 votes

"Copyleft" is a specific application of copyright law (restricting the license to use copyrighted material by requiring that those obtaining it must also redistribute it for free / under specified ...

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What are the pros and cons of publicizing patents / patents pending?
3 votes

At least in the US, this is actually required (at least the patent number bit): A patentee who makes or sells patented articles, or a person who does so for or under the patentee is required to ...

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