5.10.

5.10. Does your National Patent Office’s administrative practice provide that where the patent application contains drawings, the technical features mentioned in the claims are preferably followed by the reference signs relating to those features? Does it provide that when used, the reference signs must preferably be placed between parentheses and that, if including reference signs does not particularly facilitate quicker understanding of a claim, they should not be included? Are these reference signs not to be construed as limiting the claim?