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Sunday, October 18, 2026

High Court orders ex-employee to return confidential documents kept for taking legal advice - Lewis Silkin

The High Court has issued an injunction against the former Global General Counsel of Nissan, ordering him to return the confidential documents he kept after his employment ended. It did not matter whether the documents were kept for the purposes of taking legal advice.

In this case, in which Lewis Silkin acted for Nissan, the High Court made clear that wanting documents for legal advice was no justification for retaining confidential information in breach of contract.

Background

Mr Passi was employed by Nissan as Global General Counsel. Following the termination of his employment, he brought proceedings in the Employment Tribunal (ET) claiming unfair dismissal and other claims, which are denied. As part of the ET proceedings, he disclosed that he had retained over 100 documents that constituted or contained Nissan’s confidential information and/or privileged legal advice. Nissan applied to the High Court for interim injunctions requiring Mr Passi to deliver up the documents, destroy all copies in his possession and provide a witness statement explaining what use he had made of the information.

Protecting confidential information in the employment context

Employers enjoy only limited implied protection after termination for “mere” confidential information. Implied duties will only protect “trade secrets” from misuse, which are typically limited to things like confidential algorithms, designs, formulae and (possibly) highly secret business strategies.

This leaves departing...



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