Ending patent protection usually requires a law suit, because the patent owner files follow-on patents of lesser merit to extend the patent period, and a court has to decide at what point the incremental patents are invalid.

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And Dyer latched on to Steve Howard's excellent flicked header to fire past Fielding to extend their unbeaten league run to seven games and move them up to within a point of the play-off places.

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Hammond followed with a three-point play moments later to extend the advantage.

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We are now at the point where there is no excuse to extend this further.

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Researchers point out that this quest for realism does not normally extend to showing the realistic effects of smoking such as breathlessness, wheezing and ill health.

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U.S. stock futures point to a slightly higher open as the market looks to extend its win streak to four days.

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Berry is keen to extend the initiative around the country eventually but believes that Middlesex is an ideal starting point.

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