From IR on patent question -
As a matter of strategy, many applicants “over claim” and then, during the course of prosecution, one arrives at the broadest allowable claim. To start with an allowable claim suggests that the applicant received less scope in the patent than may have been possible.
Your statement -
Side note - when you read non final rejection - you see the techicalities in filing and how much detailed reading -analysis and questioning patent office is doing. It also shows that patent application was not filed effectively as the number points went from 27 to maybe 6 or 7.
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