While the sporting focus at the moment is in Russia, where England will be attempting on Wednesday to make a World Cup Final for only the second time in history, there is of course another major sporting event running at SW19, the Wimbledon Tennis Championship.

Although the game of tennis is fairly simple, requiring just a court, some racquets and tennis balls, it is, like every other sport, subject to huge amounts of innovation which can be seen in the patent record that stretches back well over a hundred years. (more…)