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clone brands - Which bricks are still protected by copyright trademark / patent law? - Bricks
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you are to me - CNET
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What was the effect of LEGO its patent? - Quora
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Lego Wall - Set of 4 - The Okie Home
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Lego Wikipedia
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What was the effect of LEGO its patent? - Quora
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60 Years of Lego Building Blocks and Danish Patent | In Custodia Legis
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LEGO Patents | Brickset: LEGO set guide database
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LEGO Patents | Brickset: LEGO set guide database
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60 Years of Lego Building Blocks and Danish Patent | In Custodia Legis
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LEGO Patents | Brickset: LEGO set guide database
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The Patent the "Toy Brick" | Suiter Swantz
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These Two Toy Makers Innovation (And Success) Using LEGOs and Tape | Indiegogo | Indiegogo Medium
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What was the effect of LEGO its patent? - Quora
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Patents | An | Gestalt Law
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What was the effect of LEGO its patent? - Quora
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What was the effect of LEGO its patent? - Quora
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LEGO Patents | Brickset: LEGO set guide database
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LEGO Patents | Brickset: LEGO set guide database
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![Happy International LEGO Day from The Brothers [News] The Brothers Brick | The Brothers](https://s3-us-west-2.amazonaws.com/media.brothers-brick.com/wp-content/uploads/2018/10/LEGO_WP_1920x1200_WHT.png "Happy International LEGO Day from The Brothers [News] The Brothers Brick | The Brothers")
Happy International LEGO Day from The Brothers [News] The Brothers Brick | The Brothers
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LEGO Patents | Brickset: LEGO set guide database
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1958:Original filing date for 'Toy Building : r/lego
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Why does LEGO have competitors such Mega Bloks, have not taken out of business due to legal of manufacturing particularly similar toys? - Quora
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60 Years of Lego Building Blocks and Danish Patent | In Custodia Legis
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What was the effect of LEGO its patent? - Quora
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loses trademark over its bricks - BBC News
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Lego Wall - Set of 4 - The Okie Home