T 0903/16 01-03-2018

Reasons for the Decision

1. The appeal is admissible.

2. Background

The application relates to the elimination of ectoparasites, primarily head lice, by applying a volume of heated air directly onto the infested area such that the heated air impinges directly on the ectoparasites. A proper air temperature and flow rate directly impinging on the ectoparasites can achieve an effective ectoparasite mortality rate (see description, page 6, lines 14-25).

The application as originally filed claimed methods for eliminating ectoparasites, but formally no device claims. However, the Board notes that originally filed claim 27 was directed to a "handheld method" and contained features which were formally directed to a method, but were quite obviously intended to be effected by a device, such as heating of air and producing a directed heated air flow. With the present main request the appellant-applicant seeks protection only in the form of device-type claims directed to a handheld blow dryer for use in eradicating ectoparasites.

3. Added subject-matter - main request

The Examining Division argues in the appealed decision that the original disclosure does not "indicate, define or imply" that the devices described therein could be new and inventive (see reasons 21.3): "To then claim such devices is considered an infringement of Article 123(2) EPC". On the face of it, the Examining Division apparently considered that the devices disclosed in the application were not declared to belong to the invention, and for this reason claiming them constituted an infringement of Article 123(2) EPC.

According to established case law, the requirements laid down in Article 123(2) EPC are understood to mean that an amendment may only be made within the limits of what a skilled person would derive directly and unambiguously, using common general knowledge, and seen objectively and relative to the date of filing, from the whole content of the description, claims and drawings as filed (see see Case Law of the Boards of Appeal of the European Patent Office (CLBA), 8th edition 2016, Chapter II.E.1.2.1, with further reference to the "gold standard" cited in decision G 2/10). The question of whether or not the amended subject-matter in the documents originally filed is declared to be new and inventive, or whether such an assessment of novelty and inventiveness can merely be implied from the wording used in the application, is not relevant to the requirement of Article 123(2) EPC. Accordingly, the crucial consideration is whether the subject-matter as such is clearly and unambiguously derivable from the application as filed, i.e. in the present case of a device claim - the subject-matter of the claim being a device - whether the device with the claimed combination of features is clearly and unambiguously described in or derivable from the application as filed. The fact that in the application the disclosed range of devices is stated to be within the means known to one skilled in the art may be considered when examining other EPC requirements, e.g. novelty and inventive step, but it has no bearing on the question of disclosure for the purposes of Article 123(2) EPC.

The Board holds that the subject-matter of the claims is clearly and unambiguously derivable from the disclosure of the handheld blow dryer on page 16, lines 4-30. In lines 19-20 of page 16 it is further explicitly mentioned that the blow dryer can have a comb device attached to it, such as the device with reference numeral 60. The comb device with reference numeral 60 is further described on page 14, line 15, to page 15, line 5. Thus the further details of the attached comb device included in the dependent claims find their basis in this part of the description as originally filed.

From the above the Board concludes that the amended set of claims has a clear basis in the application as filed and is compliant with Article 123(2) EPC.

4. Remittal

With respect to the device claims before the Board, the decision under appeal concerned only the issue of extended subject-matter according to Article 123(2) EPC. The question of the exception to patentability for therapeutic methods under Article 52(4) EPC 1973 (or Article 53(c) EPC 2000) is obviously not relevant for the present claims, and so the Board need not address this issue. The decision under appeal did not consider any of the further requirements of the EPC, in particular those of novelty and inventive step. So as not to deprive the appellant of first-instance consideration of these remaining substantive requirements, the Board considers it appropriate to exercise its discretion under Article 111(1) EPC and remit the case for further prosecution on the basis of the set of claims of the main request filed with letter of 23 January 2018. The appellant has declared his agreement with this course of action.