In July 1958, one Mr. Godtfred Kirk Christensen filed a patent at the US Patent office. It was a design for a toy, made of bricks that had “cylindrical projections” on top, and “tubular projections” on the bottom. Both the cylindrical projections and tubular projections could make contact on one or more walls of the brick, and would snap together in a “clamping engagement”.
There was a priority date of 28 January 1958, as it had been filed first in Denmark. The patent was granted in October 1961.
A Successful Toymaker
LEGO is today, an empire built on one invention. Today generation after generation knows the LEGO brand. Not surprisingly, it has enjoyed strong sales. In 2013, Bloomberg quoted an analyst as saying, “Bloomberg is on fire. It’s the world’s biggest toymaker in terms of net income, operating income and Ebitda. It had a 71 percent gross margin in its latest results and is posting strong sales growth.”
The same Bloomberg article placed LEGO as the most valuable toymaker in the world, worth between USD15 billion to USD17 billion. In contrast, LEGO’s website in 2012 modestly stated that they were the “world’s third-largest manufacturer of toys”. The LEGO Group was founded in 1932 by Ole Kirk Kristiansen.
1958 was not only the year that Godtfred invented the present famous LEGO block; it was also the year that Ole Kirk Kristiansen passed away, and Godtfred Kirk Christiansen took over the company as chairman. Source Later, Godtfred’s son Kjeld took over the reins of the company. Source
The present CEO, Jørgen Vig Knudstorp, joined LEGO in 2001 and became CEO in 2004. (Source: Bloomberg) LEGO had been making losses since 2001 to 2004, due to indiscriminate diversification and intense competition. Under Knudstorp, the company divested its unessential businesses and re-focussed on its core, and became profitable again.
The US Patent
Read the original US patent 3005282 at Google Patents. Here are images from the patent.
It seems that the IP firm “Stevens Davis” that filed the patent closed down in 2008: “Intellectual property firm Novak Druce + Quigg LLP has scooped up five attorneys, including three partners, with the dissolution of boutique IP firm Stevens Davis Miller Mosher LLP. …. Most of the other attorneys formerly with Stevens Davis joined Dickinson Wright PLLC.” Source: Law360
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