OHM welcomes UK High Court decision on CSEM patents
20 January 2009
Offshore Hydrocarbon Mapping was celebrating today after a UK High Court ruling that overturned a series of patents belonging to Norwegian company emgs, which covered the use of Controlled Source ElectroMagnetic (CSEM) surveying.
Three key patents granted by the European and UK Patent Offices have now been revoked after the judge in the case, The Hon Mr Justice Mann, found that the ideas the patents sought to protect were already well known and in the public domain. The case was brought by oilfield services company Schlumberger.
The revoked patents in question covered the general use of CSEM for direct detection of hydrocarbons; the direct detection of hydrocarbons by CSEM using certain 3D geometries and combining CSEM and seismic for direct detection of hydrocarbons.
OHM’s chief scientific officer. Dr Lucy MacGregor, said: “Too much time, effort and focus has been placed on dealing with emgs’s now discredited patent claims rather than promoting the value of this technology to the industry. This decision will hopefully allow us all to get on with our mission of helping our clients improve their exploration success, without uncertainty, interference or threat of legal action from these claims.”
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