Britain-based Element Six Technologies had sued Singapore firm IIa Technologies in 2016. Read more at straitstimes.com.
SINGAPORE - A company which makes synthetic diamonds in Singapore has won a patent case against a member of the international De Beers Group, ending a seven-year court battle over the methods used in growing the gemstones.
The revocation of the patents means that Element Six, which describes itself as a global leader in the design, development and production of “synthetic diamond supermaterials”, cannot stop others from using the process.The Straits Times reported earlier in February that a report by Allied Market Research projected thatElement Six is part of the De Beers Group, one of the largest diamond producers in the world, which, in turn, is a subsidiary of global mining company Anglo American.
Upon exposure to high energy, the gaseous molecules break up into plasma containing carbon atoms. The carbon atoms are then deposited on the substrate, growing the synthetic diamond layer by layer.One patent, identified as SG 508, relates to a method of changing the colour of a lab-grown diamond by heat treatment.More On This TopicIn February 2020, after a six-week trial, the High Court ruled that SG 508 was invalid, but that SG 872 was valid and had been infringed by IIa.
Last Friday, the court, comprising Chief Justice Sundaresh Menon and Justices Judith Prakash and Steven Chong, issued a 126-page judgment, ordering SG 872 to be revoked.
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