Lego clone

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Mega Bloks building block (above) and Lego building brick (below)

A Lego clone is a line or brand of children's construction blocks which is mechanically compatible with Lego brand blocks, but is produced by another manufacturer. The blocks were originally patented by The Lego Group in 1961 as "toy building bricks",[1] and the company has since remained dominant in this market.[2] Some competitors have moved to take advantage of Lego brand recognition by advertising their own products as compatible with Lego, with statements such as "compatible with leading building bricks".[3]

The last underlying patents of the brick design expired in 1978, opening the field to rivals.[4]

Legal challenges[edit]

At least two of the largest clone manufacturers have been challenged in court by Lego. The lawsuits have been mostly unsuccessful, for courts have generally found the functional design of the basic brick to be a matter of patent rather than trademark law, and all relevant Lego patents have expired.

Lego itself originally copied their bricks from British psychologist and inventor Hilary Page in the late 1940s.[5][6]

Lego and Tyco Industries fought in US courts over Tyco's line of interlocking bricks in the 1980s with Tyco prevailing.[4] On August 31, 1987, the US District Court ruled that Tyco could continue making Super Blocks, its Lego clone bricks, but ordered Tyco to stop using the Lego trademark and not to state that they were "Lego, but only cheaper". In Lego's Hong Kong suit against Tyco Super Blocks, Lego received an injunction forcing Tyco to stop cloning Lego bricks designed after 1973. Tyco was also being sued at the time by Lego in Austria, Italy and Canada.[7]

Lego sued the Canadian company Mega Bloks on the grounds that its use of the "studs and tubes" interlocking brick system was a violation of trademarks held by Lego. On November 17, 2005, the Supreme Court of Canada upheld Mega Bloks' right to continue selling the product in Canada.[8] A similar decision was reached by the European Union's Court of First Instance on November 12, 2008, upholding an EU regulatory agency's reversal of opinion following an objection by Mega Bloks against a trademark awarded to Lego in 1999.[9] Mega Bloks won a case at the EU's top court in 2010 against Lego's trademark registration of a red toy building brick. On September 14, 2010, the European Court of Justice ruled that the 8-peg design of the original Lego brick "merely performs a technical function [and] cannot be registered as a trademark."[10]

Best-Lock and Lego bricks compared. Left to right; alternating Best-Lock then Lego in pairs.

The English company Best-Lock Construction Toys sued Lego in German courts in 2004[11] and 2009.[12] The German Federal Court denied Lego trademark protection for the shape of its bricks in the latter case.[13]

The Lego Group did score a success in 2002, when its Swiss subsidiary Interlego AG sued the Tianjin CoCo Toy Co., Ltd. company for copyright infringement. A claims court found many CoCo sets to be infringing; CoCo was ordered to cease manufacture of the infringing sets, publish a formal apology in the Beijing Daily, and pay a small fee in damages to Interlego. On appeal, the Beijing High People's Court upheld the trial court's ruling.[14]

In 2000, Lego filed a three-dimensional trademark for its mini-figures, which Best Lock had duplicated since 1998. In 2012, Best Lock sued to get the trademark revoked. On June 16, 2015, European Court of Justice upheld Lego's figure trademark.[15] Lego had in 2009 filed its copyright claims into a U.S. Customs database that led to the seizure of Best-Lock shipments coming in from Asia. In October 2011, Lego filed in US District Court in Hartford filed against Best-Lock over the mini-figure trademark.[5][16]

In 2011, Lego sued Guangdong Jumbo Grand Plastic Moulding Industrial over its BanBao brand's copycat packaging. The two companies settled their case out of court with Guangdong agreeing to create unique packaging and a new figure, ToBees.[17]

In 2016, Lego announced that it would be taking legal action against the Chinese company Guangdong Loongon, which manufactures the brand Lepin, for selling exact replicas of existing Lego products (including box-art).[18]

In 2019, Lego sued Lakeshore Learning Materials for violating its minifigure trademark.[19][better source needed]

In 2020, Lego was successful in blocking Zuru from selling its own version of minifigures, the court finding that Zuru infringed upon Lego's trademark.[20]


Name years manufacturer refs
ATC 1970s Asahi Toy Company, from Japan
BanBao 2010–present Guangdong Jumbo Grand Plastic Moulding Industrial Co., Ltd. [17]
Bikku 2018–present Keak Japan Co., Ltd.
Built to Rule 2003–2005 Hasbro [21]
Best-Lock 1997–present Best-Lock Group
CaDA 2007–present Double Eagle Toys Industry Co. Ltd. [22]
Cobi 1995–present Best-Lock Group
CoCo Tianjin COCO Toy Co., Ltd. [14]
Kre-O 2011–present Hasbro [21][23]
Lakeshore Learning Company
Laser Pegs Laser Pegs Ventures [24]
Lepin[18] Guangdong Loongon
Ligao (立高) 1999– Wange Toys Industrial Company [25][26]
Lite Brix 2013~ Cra-Z-Art (LaRose Industries) [24]
Make-it Blocks proprietary brand of Dollar Tree
Mega Bloks 1991–present Mega Brands (Mattel) [21]
Mirabloco 1980s CMiranda scholar equipment, from Portugal
Nifeliz 2020–present Nifeliz
N&B Block 1968-1972 Nintendo
Oxford 1996~ Oxford
Qman (formerly Enlighten) 1994–present Guangdong Qman Industry Toys Co., Ltd.
Sluban 2004–present Sluban
Tyco Super Blocks 1984–1990 Tyco Toys/Mattel [7]
Wilko Blox Wilko
Xingbao 2016 subsidiary of Lepin, Guangdong Loongon
Zuru MAX (Build More) Zuru
  • K'Nex sets have included compatible bricks since 2008.
  • Ramagon, by Discovery Toys, has some panels with compatible studs

See also[edit]


  1. ^ US patent 3005282, Christiansen, Godtfred Kirk, "Toy Building Brick", issued 1961-10-24, assigned to Interlego A.G. 
  2. ^ Joffe-Walt, Chana (2012-12-13). "Why Legos Are So Expensive — And So Popular". NPR. Retrieved 2019-10-14. Lego has about 70 percent of the construction-toy market
  3. ^ Gardner, Tracy (14 August 2015). "Laser Pegs Hands-On Review - Light Up Construction Bricks". Retrieved 1 April 2017.
  4. ^ a b Austen, Ian (February 2, 2005). "Building a Legal Case, Block by Block". New York Times. Retrieved October 8, 2018.
  5. ^ a b Lee, Mara (January 29, 2012). "Blocking And Tackling: A Nasty LEGO Copyright Battle". Hartford Courant. Retrieved 8 October 2018.
  6. ^ Seay, Gregory (January 30, 2012). "Lego locked in domestic copyright fight". Hartford Business Journal. Retrieved October 8, 2018.
  7. ^ a b Mayer, Caroline E. (September 1, 1987). "Lego, Tyco Each Declare Victory in Battle of the Bricks". Washington Post. Retrieved October 8, 2018.
  8. ^ "2005 SCC 65". CanLII. Retrieved 2015-03-09.
  9. ^ "Lego loses trademark ruling in EU". The New York Times. October 12, 2008.
  10. ^ "Montreal's Mega Brands triumphant after Lego loses trademark challenge". Archived from the original on September 19, 2010. Retrieved December 31, 2011.
  11. ^ "Forty-year Monopolistic LEGO-Doctrine Ruling Reversed as Best-Lock Europe LTD Wins Patent and Trademark Case". CCNMatthews Newswire. 2005-03-28. Archived from the original on 25 February 2016.
  12. ^ von RA Dennis Breuer (2012-04-19). "Pressemitteilung des BGH Nr. 158/2009: Legostein als Marke gelöscht | markenmagazin:recht". Retrieved 2012-10-09.
  13. ^ "Pressemitteilung Nr. 147/04 vom 3.12.2004". Retrieved 2015-03-09.
  14. ^ a b "Lego defeats the Chinese pirates". BBC News. 21 January 2003. Retrieved October 8, 2018.
  15. ^ Butler, Sarah (June 16, 2015). "Lego blocks legal bid to remove trademark protection for its mini-figures". the Guardian. Retrieved October 8, 2018.
  16. ^ "EU court rules Lego figurines are protected trademark". 2015-06-16.
  17. ^ a b Sauer, Abe (September 24, 2012). "China Watch: Banbao Blames Lego For Not Letting Banbao Copy Lego". Brandchannel. Retrieved October 8, 2018.
  18. ^ a b "Fierce copyright battle mars Lego's push in China". (in Danish). Retrieved 2017-02-08.
  19. ^ "The LEGO Group sues Lakeshore Learning Materials for copyright infringement". 12 June 2019.
  20. ^ "LEGO Blocks Out ZURU in Copyright Dispute Over Minifigures | Incontestable Blog". Finnegan | Leading Intellectual Property Law Firm.
  21. ^ a b c Lennihan, Mark (February 12, 2011). "Hasbro pushes into Lego's land with new blocks". USA Today. AP. Retrieved September 12, 2018.
  22. ^ Cada Klemmbausteine, accessed: 2021-02-28
  23. ^ Kuchera, Ben (July 20, 2011). "Playing with Hasbro's Kre-O Transformer kits: don't call them Lego". Ars Technica. Retrieved September 12, 2018.
  24. ^ a b Lagzial, Ashley (June 30, 2013). "Patent Fight Short Circuits 'Laser Peg' Toy Plan". CNBC. Retrieved October 8, 2018.
  25. ^ Pasick, Adam (3 October 2013). "Lego looks to expand in China, the land of Lego knock-offs". Quartz.
  26. ^ Ness, Daniel (July 25, 2021). Block Parties: Identifying Emergent STEAM Thinking Through Play. Routledge. ISBN 9781000406221 – via Google Books.