Here's a link to the patent, which I believe was most recently updated in 2007 (to defend against numerous claims of prior art): http://v3.espacenet.com/public

Here's a link to the patent, which I believe was most recently updated in 2007 (to defend against numerous claims of prior art): http://v3.espacenet.com/publicationDetails/originalDocument?FT=D&date=20070510&DB=&locale=&CC=US&NR=2007106570A1&KC=A1 http://v3.espacenet.com/publicationDetails/originalDocument?... The patent was upheld in Canada (where I live) because the courts ruled that 1-click produced a "physical effect".