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4
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2answers
131 views

Should I use a range instead of a single measurement in the patent description and/or drawings?

We are just about ready to file for our PPA, should our drawings contain exact measurements? The reason I am asking is that some told me that you should make your measurements a "range", i.e. 3/16 to ...
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1answer
57 views

Can the claims of an NPA from multiple PPAs retain the priority of their respective PPA filing dates?

If I wanted to file an NPA which included content from 2 different PPA's filed on different days ... then will the entire patent only be able to claim the priority of the most recent PPA? Or will ...
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2answers
295 views

What if the PPA was filed with the wrong classification? Still valid?

As you know PPA's are not examined, so of course, neither are they ever rejected if they are filed in the wrong classification (say it should have gone in "Lasers", and somehow "households" was used). ...