The Business Law Reports
[2009] Bus LR D117
Court of Appeal
Aerotel Ltd
v
Wavecrest Group Enterprises Ltd and others
[2009] EWCA Civ 408
2009 May 5;
20
Jacob, Richards, Sullivan LJJ
Patent— Infringement— Invalidity— Patent invalid for obviousness over prior art— Patentee relying on evidence of commercial success in attempt to rebut allegation of obviousness— Whether commercial success established— Whether evidential onus of proof on patentee seeking to rebut allegation of obviousness
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