Schlumberger, Court of Appeal of England and Wales, Civil Division (Court of Appeal of England and Wales, Civil Division), 28 July 2010
The Court of Appeal has held that the skilled person (which can be a team of individuals) may vary depending on the question in issue (e.g. obviousness, novelty, sufficiency or construction). The patents in suit taught the use of marine Controlled Source Electromagnetic (“CSEM”) surveying to locate oil or gas. For the purposes of sufficiency…