In another case in the saga of whether software is patentable, the UK Patents Court has attempted to close the gap between UK case law and the European Patent Office by confirming that software, on its own, whether or not recorded on a recording medium or operating in a computer IS PATENTABLE, apparently defying a common sense in interpretation of the words that “computer software” is not patentable “as such”.
In a sleight of hand, which surely has more in common with an unpatentable business method or playing a game, David Kitchen J. decided in Astron Clinica to complete the previously (apparently) incomplete element of the jigsaw of UK caselaw on software patents. This decision confirms that, in the UK, a computer programme, in abstract and on its own, but which when used has a technical effect, is potentially patentable – subject of course to the usual questions of novelty and obviousness.
Part of the rationale is that this would allow the patent owner to sue a person in the UK where that person exports software to another jurisdiction, rather than equipment containing it. It reflects a modern appreciation of the way in which technology works – software, and real value, is often distributed without any physical embodiment being created, such as by direct distribution to a mobile telephone.
If somewhat giddying, this approach does have the distinct benefit of bringing this aspect of UK law closer to the European Patent Office, although leaving (as he had to do) the question of how you determine what technical effect is relevant. This remains governed by the case of Aerotel v Macrossan. We will have to wait a while before seeing what happens to that rule, as the EPO has curtly dismissed Jacob LJ’s suggestion that the issues be reviewed by an enlarged board of appeal at the EPO.
These decisions show a serious problem is looming in the software field. This is that the law in the EPO changes, and the law in the UK may try and change to follow it; and both do so in timescales which are significantly less than the life of a patent. It is perhaps better that a patent now be granted in respect of subject matter which is later shown to be unpatentable – when the law next changes – than vice versa, but what is good for patent owners if often an extra burden for the competitive innovative environment, and is likely to result in yet further costly problem solving in the courts.