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UK High Court Overturns IPO Decision On Computer Program

By Robin Pilgrim, LawAndTax-News.com, London

19 March 2008

A judgment in the case of Symbian's Patent Application was issued on Tuesday by the UK High Court, overturning an earlier decision of the UK Intellectual Property Office (UK-IPO) to refuse the application because it related to "nothing more than a computer program".

Symbian's patent application describes how in a computer a library of functions (DLL), which can be called on by multiple application programs running on the computer, is accessed. In particular, it provides a way of indexing these library functions to ensure the computer will continue to operate reliably after changes are made to the library.

In his judgment, Mr Justice Patten observed that the UK-IPO's decision in this case illustrates the divide which exists between the UK-IPO and the European Patent Office (EPO) about how the patentability of inventions involving computer programs is assessed.

Although the UK-IPO refused Symbian’s patent application, the EPO has granted Symbian a patent for its invention.

In a statement, the UK Intellectual Property Office explained that:

"The UK-IPO believes that when deciding whether this computer implemented invention is patentable, Mr Justice Patten did not apply the so-called "Aerotel/Macrossan test", which was established by the Court of Appeal in an earlier case , in the way intended by the Court of Appeal. This in UK-IPO's view has created uncertainty about how the Aerotel/Macrossan test should be applied for inventions of this type."

It continued:

"The UK-IPO will therefore appeal this judgment with a view to seeking clarification from the Court of Appeal. Pending a decision by the Court of Appeal, the UK-IPO will be continuing to follow the practice, set out in its Practice Notices issued in November 2006 and February 2008, which are founded on the established Aerotel/Macrossan test. When applying this test, the UK-IPO will take account of the Symbian judgment in appropriate cases."

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