Background: The nursing profession faces many challenges nowadays so, nurses in daily practice are responsible for adhering to the professional ethical practice standard. Aim: The present study aimed to determine nurses 'perception regarding legal aspects of liabilities at port said hospitals. Subjects and method Design: A descriptive research design was used. Setting: This was conducted at the inpatients' departments of  as- salam Hospital, el-zohour hospital and al hayah portfouad hospital affiliated with universal health insurance in port said governorate. Subjects: A sample with a total number (of 173) nurses was selected by using a simple random sampling technique. Tools: Personal and job characteristics of the participants and perceptions about legal liability were used. Results: More than half of nurses (57.8%) have a low perception of informed consent, while 10.4% of them have a low perception of the invasion of privacy. As well, 50.3% of them have a moderate perception regarding dealing with suit-prone patients,  almost two-thirds of them (63.0%) have a high perception of malpractice, but 10.4% of them have a high perception of defamation of character. Conclusion: Less than half of studied staff nurses had moderate perception related to total legal aspects liabilities, while one-quarter of them had high perception and slightly more than one-quarter had low perception. Recommendations: Training on nurses' law and its relevant matters to enhance safe nursing practice. And more research should be done to further investigate the factors influencing nurses' perception regarding legal aspects of liabilities.