It is a general practice to pull in dependent claims into the independent claim after the first NFOA to make it pass with a narrower scope especially when a dependent claim has already received Notice of Intention to Allow. This typically results in allowance, except if new prior art or other ground becomes known by the examiner.

If one decides, however, to restructure their independent claim, may that -- or does that regularly -- result in the Office demanding resubmission of an examination fee given that the independent claim may now cover a whole different aspect of the inventions described in the app'?

If it may, is there some rule of thumb how far one may push before triggering such a finding?

How usual is it of examiners, if possible at all, to make such a decision and order the applicant or their representative to pay examination or re-examination fees?

1 Answer 1


This is a US/USPTO answer.

It is not clear what the situation might be. I have seen a case where original independent claims were all canceled and new independent claims submitted and the examiner declared a "restriction by original presentation" or similar words.

A restriction is properly issued when the initial claim set contains claims to more than a single invention. The criteria is actually more complicated than that but the idea is that you have paid for one examination and to search and react to all of the claims would be more work than you have paid for due to more than one invention claimed.

In the case where I received the restriction by initial presentation the examiner was saying that the claim set that was searched and examined was different enough from the new claim set such that, had they been presented together, I would have been forced to chose one of the other. And I had implicitly chosen one already. If I wanted to proceed I would need to file a continuation examination of some type. New fees.

A way to treat this is to go along with the idea and argue as you would argue if it was a restriction requirement between the two claim sets. You ask what is too distant? The answer is in the MPEP. 808.02 Establishing Burden This is the criteria they should use and the basis for an analysis you can try to turn on them.

(A) Separate classification thereof: This shows that each invention has attained recognition in the art as a separate subject for inventive effort, and also a separate field of search. Patents need not be cited to show separate classification.

(B) A separate status in the art when they are classifiable together: Even though they are classified together, each invention can be shown to have formed a separate subject for inventive effort when the examiner can show a recognition of separate inventive effort by inventors. Separate status in the art may be shown by citing patents which are evidence of such separate status, and also of a separate field of search.

(C) A different field of search: Where it is necessary to search for one of the inventions in a manner that is not likely to result in finding art pertinent to the other invention(s) (e.g., searching different classes/subclasses or electronic resources, or employing different search queries, a different field of search is shown, even though the two are classified together. The indicated different field of search must in fact be pertinent to the type of subject matter covered by the claims. Patents need not be cited to show different fields of search.

Where, however, the classification is the same and the field of search is the same and there is no clear indication of separate future classification and field of search, no reasons exist for dividing among independent or related inventions.

  • What an absolutely outstanding, and insightful answer here, thank you very much! Sep 7, 2021 at 7:53
  • Based on this, maybe (C) is of more relevance in the situation, I have the impression that A or B relates more so to divisionals. There is a non-insignificant chance in the present example they will want to use new queries to do some new search. Sep 7, 2021 at 7:59

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