Questions tagged [combined]

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Under what circumstances can A+B be patented if A and B are already patented?

If A+B is an invention that solves a problem previously unsolved, wouldn't it be illogical not to allow it to be patented just because A and B are already patented? For example, when A and B are ...
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What is the the structure if combination claim?

I have been trying to understand what is the structure of a combination claim. The only information I found in internet is the following: Combination claim. The preamble of this form of claim is ...
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