Conciseness, number of claims 

The requirement that the claims must be concise refers to the claims in their entirety as well as to the individual claims. The number of claims must be considered in relation to the nature of the invention the applicant seeks to protect. Undue repetition of wording, e.g. between one claim and another, is to be avoided by the use of the dependent form. Regarding independent claims in the same category, see F‑IV, 3.2 and 3.3. The conciseness requirement also applies to dependent claims in respect of both their number and their content. For example, the repetition of subject-matter that has already been claimed is unnecessary and negatively affects the conciseness of the claims. Similarly, the number of dependent claims should be reasonable. What is or what is not a reasonable number of claims depends on the facts and circumstances of each particular case. The interests of the relevant public must also be borne in mind. The presentation of the claims must not make it unduly burdensome to determine the matter for which protection is sought (T 79/91 and T 246/91). Objection may also arise where there is a multiplicity of alternatives within a single claim, if this renders it unduly burdensome to determine the matter for which protection is sought.

Where it is found that the claims lack conciseness under Art. 84, this may lead to the issuing of a partial European or partial supplementary European search report under Rule 63 (see B‑VIII, 3.1 and 3.2). In such cases, in the absence of appropriate amendment and/or convincing arguments from the applicant as to why the invitation under Rule 63(1) was not justified, an objection under Rule 63(3) will also arise (see H‑II, 5).

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