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4

There are actually only two claim categories, you either claim a physical entity (product, apparatus) or a physical activity (method, process, use), as outlined in decision G 2/88 of the Enlarged Board of Appeals of the EPO. You can find it here: http://www.epo.org/law-practice/case-law-appeals/eba/number.html In my field (chemistry) we usually claim a ...


3

In the U.S. there is a type of claim called a Markush claim. The conventional wording is : "selected from the group consisting of A, B, and C." So, if it correctly defines your minimum configuration, you could say, "a container containing at least two marbles where at least one marble is blue and at least one marble is of a color selected from the group ...


1

I may be missing something, but I am not sure why this would matter? Both process and method claims would fall under the statutory (35 USC 101) category of "process". The only place it would seem to matter is w.r.t. to "product by process" claims as DonQuiKong points out. In this case, you would not be claiming the method/process, but the physical outcome ...


1

You know, english grammar applies to patents. Sure, comprising etc sound like patent language, but honestly you can write “it has this and or that and at least this and maybe that“ into a claim. Standard wording is about structure of writing. You don't want to invent new words every time you write a patent. Now, to answer your question, comprising is the ...


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