IIa TECHNOLOGIES PTE. LTD. v ELEMENT SIX TECHNOLOGIES LIMITED

[2023] SGCA 5 Court of Appeal 17 February 2023 CA/CA 41/2020 ( CA/SUM 87/2020 ) 152 min read
34 cases cited (16 SG, 18 foreign)

Outcome

Appeal allowed

we allow the appeal and set aside the Judge’s orders at [45] above.

Source: [2023] SGCA 5, Court of Appeal, decided 17 February 2023. Read directly from the judgment.

Key facts

Court Court of Appeal
Decided
Judges Judith Prakash, Steven Chong, Sundaresh Menon
Charges / claim Intellectual Property
Outcome Appeal allowed
Counsel Amica Law LLC, Davinder Singh Chambers LLC, Drew & Napier LLC, WongPartnership LLP, Alvin Yeo, Daniel Chan, Daryl Kwok, Davinder Singh, Derrick Ng, Hanspreet Singh, Jason Chan, Javier Yeo, Justin Lai Wen-Jin, Loo Fang Hui, Melvin Pang, Meryl Koh Junning, Ong Eu Jin, Srruthi Ilankathir, Tony Yeo Soo Mong, Yu Zhengyi Victoria

Source: [2023] SGCA 5, Court of Appeal, decided — eLitigation. Updated .

Catchwords

Practice Areas

Judges (3)

Counsel (20)

Parties (2)

Case Significance

IIa Technologies Pte Ltd v Element Six Technologies Ltd [2023] SGCA 5 is a Court of Appeal patent dispute in Civil Appeal No 41 of 2020, arising from HC/S 26/2016. The judgment was delivered by Sundaresh Menon CJ, sitting with Judith Prakash JA and Steven Chong JA, following hearings on 2–4 August 2021 and 20, 24–25 January 2022, with judgment reserved on 17 February 2023. The parties are competitors in producing synthetic diamonds grown by chemical vapour deposition (CVD): the appellant, a Singapore-incorporated company with a local diamond-growing facility, and the respondent, a United Kingdom company forming part of the Element Six Group. The catchwords engage patent revocation, claim construction, patent specification and invalidity for insufficiency.

[2023] SGCA 5 explained

IIa TECHNOLOGIES PTE. LTD. v ELEMENT SIX TECHNOLOGIES LIMITED ([2023] SGCA 5) is a Singapore judgment decided by the Court of Appeal on 17 February 2023. It is categorised under Intellectual Property. It is a recent decision; within this corpus no later judgment has cited it yet. This page summarises what the reported decision covers and links the primary sources — the full judgment, the statutes it cites, and the other cases it engages with — so the decision can be read in context. It is reference information, not legal advice, and it does not state the outcome or any holding beyond what the official judgment records.

What is [2023] SGCA 5 about?

IIa TECHNOLOGIES PTE. LTD. v ELEMENT SIX TECHNOLOGIES LIMITED ([2023] SGCA 5) is a Court of Appeal decision from 2023. Its published catchwords are “Intellectual Property — Patents and Inventions — Revocation”, “Intellectual Property — Patents and Inventions — Claim Construction”, “Intellectual Property — Patents and Inventions — Patent specification”, and “Intellectual Property — Patents and Inventions — Invalidity — Insufficiency”, which indicate the subject matter the judgment addresses. The full reasoning and orders are in the judgment itself, linked below.

Which legislation does [2023] SGCA 5 consider?

The judgment refers to Patents Act (Cap 221) and UK Patents Act (Cap 221). The statutes cited are listed in full on this page, each linking to its primary text.

What was the dispute in IIa Technologies v Element Six Technologies about ([2023] SGCA 5)?

The Court of Appeal in [2023] SGCA 5 heard a patent dispute between competitors in synthetic diamonds grown by chemical vapour deposition. IIa Technologies Pte Ltd, a Singapore company, and Element Six Technologies Ltd, a UK company, contested patent revocation, claim construction and insufficiency.

Which judges decided IIa Technologies Pte Ltd v Element Six Technologies Ltd ([2023] SGCA 5)?

Sundaresh Menon CJ delivered the judgment of the Court of Appeal, sitting with Judith Prakash JA and Steven Chong JA, in Civil Appeal No 41 of 2020. Judgment was reserved on 17 February 2023 in a synthetic diamond patent dispute.

Statutes Cited

Cases Cited (34)

SG (2)
[2000] SGHC 53 [2020] SGHC 26
SLR (14)
[2000] 3 SLR(R) 530 [2001] 2 SLR(R) 326 [2007] 1 SLR(R) 1021 [2008] 1 SLR(R) 335 [2010] 2 SLR 724 [2011] 4 SLR 429 [2017] 2 SLR 185 [2017] 3 SLR 771 [2018] 1 SLR 211 [2018] 1 SLR 856 [2018] 3 SLR 1334 [2018] 5 SLR 180 [2019] 1 SLR 645 [2021] 2 SLR 782
UK (18)
[2005] UKHL 59 [2006] EWCA Civ 1715 [2008] EWHC 1379 [2008] EWHC 1903 [2009] 2 All ER 955 [2010] EWCA Civ 819 [2011] EWHC 3311 [2012] EWHC 1848 [2013] EWCA Civ 925 [2014] EWCA Civ 1462 [2014] EWHC 3916 [2016] EWHC 576 [2016] EWHC 87 [2018] EWHC 3414 [2019] 3 All ER 95 [2019] EWCA Civ 1646 [2021] 1 All ER 475 [2022] EWHC 1018

Related cases

Other Singapore judgments involving the same parties or counsel.

Referenced in

Statutes interpreted in this judgment

Judgment

Read the full judgment on the official Singapore Courts portal.

Read on eLitigation

Source: eLitigation ([2023] SGCA 5)