A non-solicitation covenant in an employment contract that extends to clients of the employer's undefined 'related companies', to former clients, and to clients with whom the employee had no contact, is void as an unreasonable restraint of trade and cannot be saved by reading down or severance where there is no evidence of the related companies' separate businesses and customer bases. An employer's contact management database (client names, addresses, contact details) does not constitute a trade secret and, at its highest, falls within the second category of Goulding J's classification in Faccenda Chicken — information that becomes part of the employee's skill and knowledge and is not protected after termination absent a valid restrictive covenant.
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