Case Details
- Citation: [2018] SGHC 167
- Title: Nanofilm Technologies International Pte Ltd v Semivac International Pte Ltd and others
- Court: High Court of the Republic of Singapore
- Date of Decision: 26 July 2018
- Judge: George Wei J
- Coram: George Wei J
- Case Number: Suit No 747 of 2016
- Plaintiff/Applicant: Nanofilm Technologies International Pte Ltd
- Defendants/Respondents: Semivac International Pte Ltd; Xu Yibo; Hu Lang
- Counsel for Plaintiff: Jevon Louis and Paul Teo (Ravindran Associates)
- Counsel for Defendants: Rajendran Kanthosamy, Subash Rengasamy and Sri Balan s/o Krishnan (Relianze Law Corporation)
- Legal Areas: Copyright — Infringement; Copyright — Remedies; Employment Law — Contract of service; Tort — Confidence; Tort — Inducement of breach of contract
- Statutes Referenced: Copyright Act (and reference to “Copyright Act 1968” as stated in metadata)
- Cases Cited: [2018] SGHC 167 (metadata indicates this; the provided extract does not list further authorities)
- Judgment Length: 59 pages, 26,588 words
Summary
Nanofilm Technologies International Pte Ltd v Semivac International Pte Ltd and others [2018] SGHC 167 arose from a dispute between a Singapore technology company and two former employees who later set up a competing business. The plaintiff, Nanofilm, alleged that its former employee, Xu Yibo (the 2nd defendant), infringed Nanofilm’s copyrights by using or adapting the plaintiff’s technical materials in the competing company’s products and marketing. Nanofilm further claimed that Xu breached his employment contract, breached duties of confidence owed to the plaintiff, and that the third defendant, Hu Lang, induced Xu to breach his contract.
The High Court (George Wei J) structured the analysis around four main claims: (1) copyright infringement by the 1st defendant (Semivac) in relation to two sets of materials referred to as the “Semivac Slides” and “Semivac Drawings”; (2) breach of contract by Xu; (3) breach of confidence by Xu and the 1st defendant; and (4) inducement of breach of contract by Hu Lang. While the technology context was complex, the legal questions were relatively classic: whether the plaintiff’s works attracted copyright protection; whether the defendants reproduced a “substantial part” of protected expression; whether any statutory defences (including the “useful article” concept) applied; and whether the employment and confidence claims were made out on the evidence.
On the evidence available in the judgment, the court’s reasoning emphasised the boundary between protected expression and unprotectable ideas, functionality, and generic technical information. The court also considered how the defendants’ access to the plaintiff’s materials, the forensic recovery of files from Xu’s laptop, and the nature of the alleged copying supported (or failed to support) the plaintiff’s claims. The decision ultimately addressed liability and then moved to remedies and relief, reflecting the court’s view that copyright and confidence protections operate differently from patent-like protection and do not extend to all technical know-how.
What Were the Facts of This Case?
Nanofilm Technologies International Pte Ltd (“Nanofilm”) is a Singapore company incorporated in May 1999. It manufactures and provides Filtered Cathodic Vacuum Arc (“FCVA”) technology products and services. The plaintiff’s founder and chief executive officer was Dr Shi Xu, and its senior vice-president was Dr Wei Hao. The plaintiff’s business involved both hardware and software components used to coat materials with thin films of metallic, ceramic, or composite substances. The technology is used, for example, to coat articles with diamond-like carbon particles (tetrahedral amorphous carbon) to reduce friction and prolong the life of components.
The 1st defendant, Semivac International Pte Ltd (“Semivac”), is also a Singapore company operating in the vacuum industry. It provides pumps, spare parts, and installation and maintenance services. Semivac’s competitive position overlapped with Nanofilm’s offerings, and the dispute concerned whether Semivac’s technical materials and designs were derived from Nanofilm’s protected works. The 2nd defendant, Xu Yibo, was employed by Nanofilm as an applications engineer in April 2000 and later promoted to manager—production mechanical in January 2007. In August 2014, he was redesignated (described in the judgment as a demotion) to senior engineer—mechanical design. His employment was terminated on 13 January 2016.
Crucially, Xu became a director of Semivac at or about the time Semivac was set up. The 3rd defendant, Hu Lang, was employed by Nanofilm from November 1999 to 4 January 2008 as a senior process engineer. He later left Nanofilm and set up Semivac, becoming its managing director from 6 October 2008. It was not disputed that Hu Lang and Xu had been colleagues at Nanofilm for about eight years before Hu Lang’s departure in early January 2008. After Hu Lang left, Xu remained a full-time employee of Nanofilm and, together with Hu Lang, “set up” Semivac in 2008. The parties disputed the precise sequence and whether Xu jointly decided to set up Semivac or was persuaded to join shortly after incorporation, but the timing of Xu’s directorship overlapped with Hu Lang’s management role.
Nanofilm’s case was that Xu did not obtain Nanofilm’s consent to become a director of Semivac or to perform work for Semivac. Nanofilm alleged that while employed, Xu created numerous technical drawings for Semivac using Nanofilm’s laptop and CAD software. Some drawings were allegedly created during office hours, while others were allegedly created outside office hours using Nanofilm’s laptop. Nanofilm’s forensic evidence involved the recovery of technical drawings from Xu’s laptop with the assistance of a computer forensics company, Nexia TS Risk Advisory Pte Ltd. Nexia recovered 48 “Semivac Drawings” bearing Semivac’s name. Nexia’s report concluded that Xu possessed technical drawings belonging to Nanofilm that were then changed or modified for Semivac’s use. Nanofilm argued that more drawings existed beyond the 48 recovered, and that Semivac had made more than just those 48 drawings.
Nanofilm also alleged that Semivac published a set of presentation slides (“Semivac Slides”) between 2002 and 2007. These slides contained technical drawings, diagrams, photographs, and graphs to showcase a coating system referred to as the Direct Cathodic Vacuum Arc (“DCVA”) system. The judgment extract provided does not include the full description of the slide content, but it is clear that Nanofilm treated both the slides and the drawings as works capable of copyright protection and as materials allegedly copied or adapted from Nanofilm’s pre-existing technical materials.
What Were the Key Legal Issues?
The first major issue was copyright infringement. The court had to determine whether the Semivac materials—both the “Semivac Drawings” and the “Semivac Slides”—infringed Nanofilm’s copyrights. This required the court to consider whether Nanofilm’s pre-existing technical drawings and slide materials were protected by copyright, and whether the defendants reproduced a “substantial part” of those protected works. The analysis also had to address the “useful article” defence, which is relevant where the alleged work’s subject matter is functional or where the claimed copyright protection would effectively extend to the functionality of an article rather than to protectable expression.
A second issue concerned employment and contractual obligations. Nanofilm alleged that Xu breached his employment contract by creating and using technical drawings for Semivac without consent, and by engaging in activities that conflicted with his duties to Nanofilm. The court therefore had to examine the terms of the employment relationship and the evidence of breach, including whether Xu’s conduct fell within the scope of his contractual duties and whether any implied or express restrictions applied to his use of Nanofilm resources, time, and materials.
Third, the court had to consider tortious and equitable duties of confidence. Nanofilm alleged that Xu and Semivac breached a duty of confidence owed to Nanofilm. This required the court to assess whether Nanofilm’s technical materials constituted confidential information, whether Xu had received or accessed them in circumstances importing confidence, and whether the defendants used or disclosed them without authorisation. Finally, the court had to consider whether Hu Lang induced Xu to breach his contract, which involves a distinct legal test: inducement generally requires more than mere knowledge of breach; it requires participation in or encouragement of the breach.
How Did the Court Analyse the Issues?
The court’s approach to copyright infringement began with the recognition that this was not a patent case. Although the technology involved specialised coating systems and engineering design, Nanofilm did not rely on patents or registered design rights in this action. This framing matters because copyright protects expression, not ideas, methods, or functional engineering concepts. The court therefore treated the dispute as one about whether particular drawings and slide materials were copied or substantially reproduced, rather than whether Semivac could lawfully compete using similar technology.
In analysing the Semivac Drawings, the court focused on whether the Semivac Drawings reproduced a substantial part of Nanofilm’s pre-existing technical drawings. The forensic evidence that 48 drawings were recovered from Xu’s laptop, coupled with Nexia’s conclusion that Nanofilm drawings were modified for Semivac’s use, supported an inference of access and potential copying. However, the court still had to determine whether what was taken amounted to protected expression. Technical drawings often contain both protectable elements (such as the arrangement, selection, and depiction of features) and unprotectable elements (such as functional or generic aspects dictated by engineering requirements). The court’s reasoning therefore required careful comparison between Nanofilm’s drawings and Semivac’s drawings.
The court also addressed the “useful article” defence. While the extract does not set out the full legal discussion, the structure of the judgment indicates that the court considered whether the copyrights in the Semivac Drawings were vulnerable to a defence that prevents copyright from being used to protect functional aspects of useful articles. This is consistent with copyright principles that avoid granting a monopoly over utilitarian design features through copyright law. In practical terms, the court would have asked whether the drawings were merely representations of functional components whose shape or configuration is dictated by utility, or whether they contained protectable artistic or expressive content beyond what is necessary for the function.
On the employment and confidence claims, the court’s analysis was likely informed by the relationship between the parties and the circumstances of access. Xu was provided with Nanofilm’s laptop and CAD software, allegedly to facilitate work during travel. The court would have considered whether Xu’s use of those resources to create drawings for Semivac fell within permitted activities or constituted a breach of contractual duties. The court also had to evaluate whether the drawings and slide materials were confidential. In technical disputes, confidentiality often turns on whether the information is not public, whether it has been treated as confidential, and whether the defendant’s use was unauthorised. The fact that the drawings bore Semivac’s name and were recovered from Xu’s laptop supported Nanofilm’s narrative of unauthorised use, but the court would still have assessed whether the information met the legal threshold for confidence.
Finally, for inducement of breach of contract, the court would have examined Hu Lang’s role in relation to Xu’s conduct. The judgment structure suggests that the court treated inducement as a separate inquiry from breach itself. Even if Xu breached his contract, Nanofilm still had to prove that Hu Lang induced that breach. This typically requires evidence that Hu Lang encouraged, requested, or otherwise actively caused Xu’s contractual breach, rather than merely benefiting from it after the fact.
What Was the Outcome?
The provided extract does not include the court’s final findings on liability and remedies. However, the judgment’s structure indicates that the court reached conclusions on each claim—copyright infringement (including analysis of both the Semivac Slides and Semivac Drawings), breach of contract, breach of confidence, and inducement of breach of contract—and then proceeded to determine remedies and relief. The court’s treatment of remedies would likely have reflected the distinct nature of copyright infringement versus breach of confidence and contractual breach, including whether damages, injunctions, account of profits, or other relief were appropriate.
Practically, the outcome would have significant implications for how technology companies in Singapore structure their IP and employment protections. If the court found infringement or breach, it would have provided enforceable remedies against former employees and their companies. Conversely, if certain claims failed—particularly where the “useful article” defence or the lack of substantial reproduction applied—the decision would underscore the limits of copyright in protecting engineering know-how and functional design features.
Why Does This Case Matter?
Nanofilm Technologies International Pte Ltd v Semivac International Pte Ltd is important because it illustrates how Singapore courts approach copyright in a technical and engineering context. The case demonstrates that even where the subject matter is highly specialised, copyright analysis remains anchored in the distinction between protectable expression and unprotectable ideas or functional elements. Lawyers advising technology clients should take note that copyright is not a substitute for patent or registered design protection, and courts will scrutinise whether the alleged copying concerns expression that is capable of copyright protection.
For employment and competition disputes, the case is also instructive. It shows that former employees’ use of company resources (such as laptops and CAD software) and the creation of technical materials for a competing company can give rise to multiple overlapping causes of action: contractual breach, breach of confidence, and copyright infringement. The decision therefore supports a multi-pronged enforcement strategy, but it also highlights that each cause of action has its own elements and evidential requirements.
From a practical standpoint, the case underscores the value of forensic evidence and document recovery in proving access and copying. The recovery of drawings from Xu’s laptop and the forensic conclusions about modification of Nanofilm drawings were central to the plaintiff’s narrative. For practitioners, this suggests that early evidence preservation and careful technical comparison of works are crucial in copyright and confidence litigation involving CAD files and engineering drawings.
Legislation Referenced
- Copyright Act (including reference to “Copyright Act 1968” in the metadata)
Cases Cited
- [2018] SGHC 167 (as indicated in the provided metadata)
Source Documents
This article analyses [2018] SGHC 167 for legal research and educational purposes. It does not constitute legal advice. Readers should consult the full judgment for the Court's complete reasoning.