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Ethics committees

Ethics commmittees advise researchers on ethical issues relating to their research. For example, whether the research meets the criteria for ethically responsible conduct. There are a number of ethics committees within Leiden University.

Does your institute or faculty have an ethics committee? If so, you should submit your research to the committee for approval. You can find more information about the working practices of the ethics committee under your faculty tab or in the overview below.  

Overview of faculty committees

Overview of committees of interfaculty institutes


The Ethics and Data Committee of Leiden Law School is responsible for reviewing research proposals from an ethical perspective and reviewing data management plans including GDPR aspects. In general, this concerns research that makes use of new data.

Tasks of the Committee

The Committee’s main task is to review research proposals on criteria concerning ethically responsible scientific conduct. The conditions and principles applied by the Committee are set out in the Regulations that have been drawn up for this purpose. Ethical review can be relevant in cases concerning the privacy of research subjects, aspects of human dignity during interviewing, the acquisition of mutual consent and a possible conflict of interests in the case of third money flow i.e. contract research. In certain cases, an ethical review is required by external organizations such as the Netherlands Organization for Scientific Research (NWO). But even without this obligation, staff may submit a request for advice.

Request advice

Would you like to submit a request for advice? Please submit the following items to the Committee (ethiekendatacie@law.leidenuniv.nl):

The Committee will then provide advice in which it indicates whether – and possibly with certain adjustments – it can agree with the proposal or not.  This advice is not binding.

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