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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 ...


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"About" is found in many claims, including range claims like the one you point out. There is a very rich case law and commentary about "about". The first issue would be the meaning of about in the context of the patent. If an alleged infringer was outside whatever that was determined to be then the doctrine of equivalents could come into ...


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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 ...


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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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Many practitioners draft claims before drafting the specification. When you think about claiming you think broadly. If you start the specification first you are likely to start, and possibly end, with describing a specific embodiment. After the thought that goes into preliminary drafting of claims one is in a better position to generate a wider range of ...


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