Key points
- The Board: According to G 1/19, whether a simulation contributes to the technical character of the claimed subject-matter does not depend on the degree to which the simulation represents reality (point 111 [of G 1/19] ); nor does it depend on the technicality of the simulated system (point 120). What counts is whether the simulation contributes to the solution of a technical problem (point 120).
2.3 The examining division held that steps [a] to [c] defined a prediction method at a high level of abstraction that could be performed by purely mental or mathematical means. This was in contrast to the case in T 1227/05 (Circuit Simulation/Infineon) where the deciding Board held that the simulation could not be performed purely by such means and provided for realistic prediction of the performance of a designed circuit.
2.4 In the grounds of appeal, the appellant argued that the present case resembled that in T 1227/05 because steps [a] to [c] simulated the performance of a photovoltaic system under realistic conditions. Therefore, the claimed method related to the simulation of an adequately defined class of technical systems under technically relevant conditions, which was held patentable in T 1227/05 (see point 3.5.2).
2.5 The Board considers that the question of whether or not the present case resembles that of T 1227/05 is moot in view of G 1/19, which supersedes T 1227/05. According to G 1/19, whether a simulation contributes to the technical character of the claimed subject-matter does not depend on the degree to which the simulation represents reality (point 111); nor does it depend on the technicality of the simulated system (point 120). What counts is whether the simulation contributes to the solution of a technical problem (point 120).
2.6 It is common ground that steps [a] to [c] define a simulation method. The method produces calculated numerical data, i.e. a prediction of the amount of electrical energy produced by the photovoltaic system during multiple flight paths. The Board agrees with the examination division's decision that these steps do not involve a technical effect.
2.7 Following the principles laid out in G 1/19, the Board considers that whether the simulation achieves a technical effect depends on the further use of these numerical data (G 1/19, point 124).
The appellant argued for such an effect on the basis of step [d], added during the appeal, which specifies a further use of the predicted amount of electrical energy, namely translating this amount into estimated fuel savings. The issue in the present case is, thus, whether the estimated fuel savings provide a technical effect.
2.8 In its written submissions, the appellant argued that estimating the savings in pounds of fuel, i.e. in terms of weight, was a technical feature. It defined a technical purpose for the predicted amount of electrical energy.
2.9 The Board is not convinced by this argument because estimating the fuel savings for a flight is a non-technical administrative activity. All that the invention adds is another parameter in this estimation, namely an additional source of energy and its associated fuel equivalent.
2.10 During the oral proceedings, the appellant argued that the estimated fuel savings implied a more precise estimation of the amount of fuel needed by the aircraft for a flight. This was a technical effect because refuelling the aircraft with the optimal amount of fuel would enable the aircraft to traverse the flight path more efficiently.
According to the appellant, refuelling the aircraft with the optimal amount of fuel was implicit in the claim. Consequently, steps [a] to [d] contributed to the technical character of the invention (e.g. point 137 of G 1/19).
2.11 The Board considers that although refuelling is a technical process, it is not a direct consequence of the estimated fuel savings but would only occur as a result of a human decision (see also G 1/19, point 123). Moreover, the estimated fuel savings can also be used for business decisions, such as whether the savings merit the production and installation of the photovoltaic system or whether they permit a reduction of the flight tickets' prices. Hence, the estimations do not have an implied technical use that can be the basis for an implied technical effect (see also G 1/19, points 98, 128).
2.12 The appellant also argued during the oral proceedings that step [a] described an accurate model for predicting the solar irradiance at a plurality of geographical points. This, in turn, led to a more precise estimation of the fuel savings. According to point 111, second sentence, of G 1/19, the accuracy of a simulation might be taken into consideration in the assessment of inventive step.
2.13 In the Board's view, however, the simulation's accuracy might play a role in the assessment of inventive step only if the simulation contributes to the technical character of the invention. In view of the above (points 2.8 to 2.11), the Board judges that the simulation does not contribute to the technical character of the invention. Hence, the simulation's accuracy is irrelevant for the assessment of inventive step.
2.14 As features [a] to [d] do not contribute to the technical character of the invention, they can be legitimately incorporated into the technical problem solved, as constraints to be met (T 641/00). The Board concurs with the examining division that the technical problem solved is how to implement the non-technical features in a general-purpose computer system. The claimed solution amounts to straightforward automation, which is obvious to the skilled person.
2.15 Accordingly, claim 1 of the ninth auxiliary request does not involve an inventive step (Article 56 EPC).
2.16 Since claim 1 of the main and first to eighth auxiliary requests have a broader scope than that of claim 1 of the ninth auxiliary request, they do not involve an inventive step (Article 56 EPC) for the same reasons as given above.
Order
For these reasons it is decided that:
The appeal is dismissed.
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